News
NASA’s Psyche En Route to Asteroid: Unlocking the Secrets of Planet Formation
On Earth, the planet’s iron core is responsible for the magnetic field that shields our atmosphere and enables life.
Led by Arizona State University on NASA’s behalf, the $1.2 billion mission will use a roundabout route to get to the asteroid. The van-size spacecraft with solar panels big enough to fill a tennis court will swoop past Mars for a gravity boost in 2026. Three years later, it will reach the asteroid and attempt to go into orbit around it, circling as high as 440 miles (700 kilometers) and as close as 47 miles (75 kilometers) until at least 2031.
The spacecraft relies on solar electric propulsion, using xenon gas-fed thrusters and their gentle blue-glowing pulses. An experimental communication system is also along for the ride, using lasers instead of radio waves in an attempt to expand the flow of data from deep space to Earth. NASA expects the test to yield more than 10 times the amount of data, enough to transmit videos from the moon or Mars one day.
The spacecraft should have soared a year ago, but was held up by delays in flight software testing attributed to poor management and other issues. The revised schedule added extra travel time. So instead of arriving at the asteroid in 2026 as originally planned, the spacecraft won’t get there until 2029.
That’s the same year that another NASA spacecraft — the one that just returned asteroid samples to the Utah desert — will arrive at a different space rock as it buzzes Earth.
On October 13, 2023, NASA’s Psyche spacecraft embarked on an extraordinary journey to study an asteroid of the same name. Carried by a SpaceX Falcon Heavy rocket, Psyche’s mission is to investigate this metal-rich world and provide invaluable insights into the formation of rocky planets. Accompanying this ambitious endeavor is NASA’s Deep Space Optical Communications technology demonstration, which will test laser communications beyond the Moon, paving the way for future exploration missions.
The Psyche Mission
A Historic Launch:
Amidst great anticipation, Psyche successfully launched from NASA’s Kennedy Space Center in Florida. This momentous event marked the first-ever voyage to a metal-rich asteroid. As the spacecraft soared towards its destination, the fairings detached from the rocket, returning to Earth, and an hour later, Psyche separated from the rocket, preparing for the next phase of its mission.
Unveiling the Mysteries of Psyche:
Psyche promptly entered a planned safe mode, awaiting further commands from mission controllers on Earth. The spacecraft established communication with NASA’s Deep Space Network complex in Canberra, Australia, confirming its good health. With two-way communication established, scientists eagerly anticipate the treasure trove of scientific knowledge that Psyche will unlock.
A Metal World to Explore:
By August 2029, Psyche will begin orbiting the 173-mile-wide asteroid, becoming the first mission to explore a metal-class asteroid. With its high iron-nickel content, Psyche may be the remnant core of a planetesimal, offering valuable insights into the early stages of planet formation. This 26-month science investigation holds immense potential for expanding our understanding of the universe and our place within it.
The Journey and Propulsion System:
Psyche’s journey to the main asteroid belt between Mars and Jupiter spans six years and covers a distance of 2.2 billion miles. Powered by solar electric propulsion, the spacecraft employs charged atoms of xenon gas to create thrust, gently propelling it forward. Along the way, Psyche will utilize Mars’ gravity as a slingshot, further accelerating its journey towards the asteroid.
The Commissioning Phase:
The initial 100 days of the mission comprise a commissioning phase, during which all flight systems undergo thorough checks to ensure their health. Of particular importance is the readiness of the electric thrusters to continuously fire over long stretches of the trajectory. Simultaneously, the science instruments, including a magnetometer, gamma-ray and neutron spectrometer, and multispectral imager, will undergo active checkout.
Advancing Optical Communications:
One of the significant technological advancements accompanying the Psyche mission is NASA’s Deep Space Optical Communications technology demonstration. Approximately three weeks into the mission, when Psyche is approximately 4.7 million miles away from Earth, this technology will be powered on. This marks NASA’s first test beyond the Moon of high-data-rate optical communications, a critical capability for future space exploration.
As Psyche embarks on its mission to unravel the mysteries of the metal-rich asteroid, excitement and anticipation fill the air. The discoveries made during this journey hold the potential to reshape our understanding of planet formation and evolution. Moreover, the technological advancements demonstrated by the Deep Space Optical Communications technology will pave the way for bolder goals and greater achievements in space exploration. NASA’s commitment to exploring the unknown and inspiring the world through discovery has never been stronger.
More Mission Information
Arizona State University leads the Psyche mission. A division of Caltech in Pasadena, JPL is responsible for the mission’s overall management, system engineering, integration and test, and mission operations. Maxar Space in Palo Alto, California, provided the high-power solar electric propulsion spacecraft chassis.
JPL manages the Deep Space Optical Communications project for the Technology Demonstration Missions program within STMD and the Space Communications and Navigation Program within the Space Operations Mission Directorate.
NASA’s Launch Services Program, based at Kennedy Space Center, is responsible for the insight and approval of the launch vehicle and manages the launch service for the Psyche mission. NASA certified the SpaceX Falcon Heavy rocket for use with the agency’s most complex and highest priority missions in early 2023 at the conclusion of a 2.5-year effort.
Psyche is the 14th mission selected as part of NASA’s Discovery Program, managed by the agency’s Marshall Space Flight Center in Huntsville, Alabama.
For more information about NASA’s Psyche mission go to:
The science section of our news blog STM Daily News provides readers with captivating and up-to-date information on the latest scientific discoveries, breakthroughs, and innovations across various fields. We offer engaging and accessible content, ensuring that readers with different levels of scientific knowledge can stay informed. Whether it’s exploring advancements in medicine, astronomy, technology, or environmental sciences, our science section strives to shed light on the intriguing world of scientific exploration and its profound impact on our daily lives. From thought-provoking articles to informative interviews with experts in the field, STM Daily News Science offers a harmonious blend of factual reporting, analysis, and exploration, making it a go-to source for science enthusiasts and curious minds alike. https://stmdailynews.com/category/science/
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The Bridge
The power of friendship: How a letter helped create an American bestseller about antisemitism
Laura Z. Hobson’s “Gentleman’s Agreement” explores antisemitism through reporter Phil Green’s experiences posing as Jewish, ultimately becoming a bestseller that sparked important conversations about prejudice in America.
Rachel Gordan, University of Florida
Eighty years ago, the Jewish American novelist Laura Z. Hobson was contemplating her next writerly move and was seeking a little help from her friends.
“Gentleman’s Agreement,” the story she was drafting, felt like a bold idea. Maybe too bold. In her vision for the novel, reporter Phil Green is assigned to write an article about antisemitism. He pretends to be Jewish so he can experience bigotry firsthand. Readers follow the character as he encounters the prejudice of supposedly good people and learns how to respond to the slights and jabs casually meted out even by Americans who consider themselves liberal.
It was 1944, three years after the United States joined World War II. What prompted Americans to finally fight, however, was the Japanese attack on Pearl Harbor, not Nazi persecution of Jews and other marginalized groups. Antisemitism in the U.S. remained rampant throughout the early and mid-1940s.
With so many fraught feelings about Jews, and about the war in which American soldiers were risking their lives, Hobson was unsure how a novel about domestic antisemitism would be received. She might have wondered if readers would dismiss the story as a Jewish writer’s “special pleading” on behalf of her own.
Should she move forward with the novel that was bubbling up inside of her? To find her way out of her writing quandary, Hobson did something she had never done before and would never do again in her four decades of writing more than a dozen books: She consulted several friends and colleagues, mailing them her proposal for the novel and a cover letter explaining her quandary.
She did not know it at the time, but Hobson was about to write her most important book – one that would help broaden conversation about prejudice by reaching many more readers than would ever hear a rabbi’s sermon or read a committee’s report on antisemitism.
The right words
When the responses started to come in, it became clear that not all the feedback was of the helpful variety.
Lee Wright, Hobson’s editor at Simon & Schuster, seemed not to have fully grasped that writing fiction was a matter of placing oneself in the shoes of someone else. The editor advised Hobson that she was ill-suited to write from a gentile’s perspective because Hobson herself was Jewish. Further, Wright cautioned, Hobson should not attempt to write from a man’s perspective.
Hobson’s publisher and friend, Richard Simon of Simon & Schuster, was also skeptical. He did not believe that novels were the way to fight antisemitism or bigotry. And then Simon did that worst thing an editor could do: He reminded Hobson that her last novel, “The Trespassers,” had been a commercial disappointment.
Hobson stewed over these replies, as evident from her autobiography and letters archived at Columbia University, which I found while researching my first book, “Postwar Stories: How Books Made Judaism American.” As Hobson later noted in her autobiography, her publisher’s less-than-enthusiastic reply sapped some of her confidence. She wasn’t entirely certain that she wanted to continue with her writing.
It was one of Hobson’s closest female friends, Louise Carroll Whedon, whose letter offered just the right words of encouragement. Known as Carroll to her friends, she was married to TV writer John Whedon – and the family’s writing success would continue with their grandson Joss Whedon, of “Buffy the Vampire Slayer” and “The Avengers” fame.
Familiar with the ups and downs of the writing life, as well as Hobson’s insecurities, Carroll replied with the enthusiasm that Hobson needed. “Let me say right away that I think the book ought to be written,” Whedon assured her, “and the sooner the better – not to highlight the plight of the Jew, but to examine the even more appalling plight of the non-Jew, and what the seeping poison of prejudice can mean to America.”
The Americans who really needed “Gentleman’s Agreement,” Whedon argued, weren’t the extreme antisemites, but the people hoping that “if you just pretend it isn’t there, maybe it will go away.” Otherwise, she warned, that willful ignorance and passivity could destroy the country – “at least the America that most people want to believe exists.”
Whedon did not deny the risks. But she wasn’t willing to watch her friend doubt her abilities – or her insights as a Jewish woman who had experienced antisemitism firsthand, and observed casual antisemitism from her non-Jewish friends. That Whedon was one of Hobson’s non-Jewish friends made her enthusiasm for a novel about antisemitism especially valuable to Hobson.
“It’s a controversial subject, Babe, and there’ll be arguments who should do it and when and how it should be done no matter what comes of it,” Whedon concluded. “For me, I think you’re in a singularly good spot to write it – in hot anger, sure – but in cold truth as well.”
Whedon had brought Hobson back to herself. Now, it was time to write.
Instant success
In a few years, the book stuck in Hobson’s mind would become a sensation. First published as a series in Cosmopolitan magazine, “Gentleman’s Agreement” was then printed by Simon & Schuster in 1947. It became a bestseller and later an Academy Award-winning film starring Gregory Peck.
“Required reading for every thoughtful citizen in this parlous century” was how The New York Times described the novel. Because of Hobson’s readable style and romance, the novel received attention from a wide range of publications, from the Saturday Review of Literature to Seventeen magazine. From books like Hobson’s, Americans were learning “how we could be humane, as well as human, beings,” Times reviewer Charles Poore wrote in a December 1947 roundup of the year’s top books.
“Gentleman’s Agreement” was never perceived as “just” a Jewish novel – mostly because readers mistakenly assumed an author named Hobson was not Jewish. Even for critics, the book broadcast a new openness toward discussing antisemitism. It was a story full of teachable moments.
Hobson’s novel was part of a wave of 1940s fiction against antisemitism. Some of these novels were written by Jewish authors who were beginning to form the nucleus of postwar American literature, such as Saul Bellow and Arthur Miller. Others were by writers who made their mark during the 1940s, but whose names have faded over the decades, such as Gwethalyn Graham and Jo Sinclair. But Hobson’s was the most popular of its time.
If it weren’t for Whedon’s encouragement, though, “Gentleman’s Agreement” might never have been finished. If every friend of a writer said just the right thing – offering the needed encouragement or tough love – it would not feel like such profound treasure to spy a pearl of encouragement. But nobody gets all the encouragement they need, and writers are no exception.
Rachel Gordan, Assistant Professor of Religion and Jewish Studies, University of Florida
This article is republished from The Conversation under a Creative Commons license. Read the original article.
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Community
Larry Krasner, Kensington, the scrapped Sixers arena − and other key concerns that will shape Philly politics in 2025
Richardson Dilworth, Drexel University
Campus protests. Homeless encampment clearings. Significant decreases in shootings, homicides and overdose deaths. Protests to “Save Chinatown.” A mass shooting at a SEPTA bus stop. Illegal car meetups. City workers called back to the office. A SEPTA strike averted.
These were just some of the headlines that dominated Philadelphia politics in 2024.
So, what does 2025 hold for the city?
I’m a politics professor at Drexel University and in 2023 I published a short book, “Reforming Philadelphia, 1682-2022,” that traced the city’s political development with an eye toward the future of its policy and politics.
Here are six key storylines that will shape Philly’s political landscape in 2025.
1. Partisan shifts
Philadelphia enters 2025 notably more politically diverse than five years ago.
Partisanship in Philadelphia is not so much captured by a Democratic-Republican split as it is by what local journalist Larry Platt once called “reformer vs. progressive,” referring to the division between more conservative Democrats on the one hand and more liberal Democrats and progressive third parties on the other.
Progressive candidates have had minor surges in recent years. Seven of the 17 members of the Philadelphia City Council are elected at large, but no party is allowed to nominate more than five members to run for these seats in the general election. This has meant that, as long as anyone can remember, there have been five Democratic and two Republican at-large council members.
Then, in 2019, Working Families Party candidate Kendra Brooks won one of the two at-large seats previously held by Republicans. One year later, two Democratic Socialists who ran as Democrats, Nikil Saval and Rick Krajewski, were elected to the state Senate and state House, respectively. And in 2023 another Working Families Party member, Nicolas O’Rourke, won the second at-large City Council seat reserved for minor parties, thereby completely replacing Republicans in those positions.
At the same time, the mayor elected in 2023, Cherelle Parker, is a reasonably conservative Democrat – at least in the sense that her focus has not been on social justice issues but rather the classic municipal issues of cleanliness and public safety.
And the 2024 elections saw the GOP vote go up in Philadelphia, as it did almost everywhere in the country. Republicans captured a state Senate seat in the city for the first time in two decades.
The most recent surge favoring Republicans would ostensibly threaten the two at-large Working Families Party members of the City Council, who are most vulnerable to electoral challenges that would bring back at-large Republicans. However, they’re safe until 2027, by which time another Democratic surge in Philadelphia is likely, as many voters will have most likely soured on the Trump administration by that time.
2. Will Krasner stay or go?
In 2025, the most high-profile city election will be for district attorney, and that does seem potentially ripe for change.
The incumbent is Larry Krasner, first elected in 2017 as part of the post-Trump progressive wave. He won again decisively in 2021, against a challenger in the Democratic primary whose main support was from the Fraternal Order of Police.
Yet as Parker’s election as mayor – and Trump’s as president – suggests, Krasner may face an electorate ready for a more law-and-order message in May 2025. The DA’s office in Philadelphia has historically been a bastion for conservative Democrats and even Republicans. Krasner may face more significant challengers this time around, especially in the primary.
3. Kensington at a crossroads
Parker has benefited from the sharp decline in crime and violence after its pandemic-driven spike. But she has also increased the police budget to provide for hiring 400 new officers; hired a police commissioner from within, Kevin Bethel, who previously received praise for his work on diversion and juvenile justice; and focused on quality-of-life issues such as cracking down on ATV gangs.
Parker has also focused in particular on the Kensington neighborhood and its notorious open-air drug markets. This is important, not least because Kensington has been a large contributor to the city’s unfortunate status of being a leader in drug overdose deaths.
The drug trade was also holding down development and property values – and therefore property tax revenues – in a neighborhood on the path of gentrification. From my perspective, cleaning up Kensington promises to be some of the best return on investment in the city.
4. Parker vs. Trump administration
Of course, another new thing that the city will have to grapple with in 2025 is the incoming Trump administration.
The previous Trump administration got into a fight with then-Mayor Jim Kenney in 2016 over the city’s sanctuary policy with respect to federal immigration enforcement. Basically, the Kenney administration won and got back federal grant money that had been withheld.
Parker may be in a tough spot if she plans to maintain some sort of sanctuary status for the city. The Trump administration – no friend of Philadelphia under the best of circumstances – will likely face less resistance and some acquiescence, as we’re seeing in Chicago, where some aldermen have suggested getting rid of that city’s sanctuary status.
The incoming president has also signaled repeatedly his willingness to use the military for mass deportations, thereby sidestepping necessary cooperation from local law enforcement. This is a critical issue because immigration is a key economic asset for Philadelphia. As the Pew Charitable Trusts have found, immigrants in Philadelphia tend to be younger, more likely to participate in the workforce, and more likely to start a business than native Philadelphians.
5. Market East in limbo
And then there was the proposed downtown 76ers arena, approved by the City Council in a 12-5 vote in December 2024 and then entirely scrapped in early January 2025. Was this entire project simply some sort of bargaining chip used by Sixers owners and management to get a better deal in South Philadelphia from Comcast Spectacor, the owner of the teams’ current home at the Wells Fargo Center?
Whatever the case, the entire project no doubt leaves a bad taste in the mouths of the Chinatown businesses and other interest groups who opposed the new stadium and felt sold out by the mayor and City Council. But with the next City Council and mayoral elections not happening until 2027, it seems likely that the entire thing will be forgotten by the time any elected official might be punished at the polls.
The fall of the downtown stadium deal throws open the future of the Market Street East corridor. The proposed arena was part of a reimagining of the Fashion District, a redevelopment project by the Pennsylvania Real Estate Investment Trust that opened in 2019. The pandemic and higher interest rates led to store closures and financial problems, and PREIT has since filed twice for bankruptcy. Add to that the fact that Macy’s, an anchor tenant on the corridor, announced it is closing its store in the historic Wanamaker Building next to City Hall.
Market East – essentially the front door of the city – doesn’t look so good for the 2026 celebrations planned as part of the 250th anniversary of the founding of the country. Indeed, the Constitution was drafted at Independence Hall, which is part of the Market East corridor. The chances that things will look much better in 2025 seem pretty dim, although there are plans to convert the space to apartments and smaller stores.
Other major infrastructure projects will likely work in the mayor’s favor, most notably a new park covering part of I-95 that will reconnect the Delaware riverfront to the Society Hill and Old City neighborhoods. This is set to be completed during Parker’s first term.
6. Inflation and housing
And finally, one of the bigger issues in the last presidential election was the housing affordability crisis. This crisis is slightly muted in Philadelphia compared with some other major cities, but it is real nonetheless.
Yet the city has to a certain extent inadvertently lucked out. As 2021 was the last year that developers could take full advantage of the city’s 10-year tax abatement for new construction, a record number of building permits were granted that year.
In 2022, the number of building permits plummeted to 2013 levels. Nevertheless, the permits from 2021 have led to a building boom, especially in residential construction, which may be keeping housing prices lower than they would otherwise be. We can expect this trend to continue into 2025, even if the volume of new permits drops even more.
Richardson Dilworth, Professor of Politics, Drexel University
This article is republished from The Conversation under a Creative Commons license. Read the original article.
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Space and Tech
Starlab Space launches European subsidiary to boost international collaboration on its commercial space station
BREMEN, Germany, Jan. 13, 2025 /PRNewswire/ — Starlab Space LLC today announced the opening of its first overseas subsidiary, Starlab Space GmbH. Located in Bremen, Germany, it will extend the company’s capabilities and demonstrates its commitment to its international partners, maintaining global cooperation and permanent human presence, and expanding microgravity research opportunities in a commercial LEO economy.
“Successful and sustainable operation of a commercial space station requires international partners, and therefore, a presence beyond America’s borders,” said Tim Kopra, Starlab CEO. “We’re thrilled to launch Starlab Space Europe, a regional hub that will facilitate industrial efficiencies and expanded partnerships with allied space agencies, including the European Space Agency and its member countries. More importantly, joining American and European presence sets the stage for life beyond the ISS, one that has a global, permanent crew thriving in low-Earth orbit and leading research that can transform all of humanity.”
Starlab Space is a US-led joint venture that is recreating the global partnership network that enabled the success of the International Space Station, but now through leading international industrial partners. Starlab’s joint venture partners currently include Voyager Space, Airbus, Mitsubishi Corporation, and MDA Space. Strategic partners also include Palantir Technologies, Hilton, Northrop Grumman, and The Ohio State University.
Starlab’s European subsidiary in Bremen is jointly owned by Starlab Space and Airbus Defence and Space. Starlab Space Europe is strongly positioned to leverage Airbus’ advanced space infrastructure facilities and experienced team that support both the ISS Columbus Module and the European Service Module for NASA’s Orion spacecraft. Co-locating with Airbus in Bremen places Starlab in vicinity to a premier aerospace workforce.
Airbus nominated Manfred Jaumann to serve as managing director of Starlab Space Europe. Jaumann has spent 33 years at Airbus Defence and Space in numerous leadership roles, serving currently as head of low-Earth orbit & suborbital programs and head of ISS services, payloads and missions.
About Starlab
Starlab Space is a U.S.-led, global joint venture among Voyager Space, Airbus, Mitsubishi Corporation and MDA Space, with strategic partners including Palantir Technologies, The Ohio State University, Hilton and more. Starlab is developing a next-generation, AI-enabled commercial space station, aiming to ensure continued human presence in low-Earth orbit and a seamless transition of microgravity science and research alongside the retirement of the International Space Station. For more information on Starlab, visit www.starlab-space.com.
SOURCE Starlab
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