astronomy
12P/Pons-Brooks: Witness the ‘Mother of Dragons’ Comet in the Night Sky!
Witness the “Mother of Dragons” comet, Comet 12P/Pons-Brooks, in the Northern Hemisphere’s night sky – a rare celestial spectacle not to be missed!
Astronomical enthusiasts and stargazers have a limited window to behold the captivating spectacle of the “Mother of Dragons” comet, also known as Comet 12P/Pons-Brooks. This celestial wanderer, gracing our skies once every 71 years, is currently making its grand appearance in the Northern Hemisphere.
Discovered in 1812 by French astronomer Jean-Louis Pons and British-American astronomer William Robert, this massive comet, larger than Mount Everest, is a breathtaking amalgamation of dust and ice. Its magnificent green tail, a result of the Sun’s heat interacting with its icy composition, paints a vivid picture across the cosmos.
What sets Comet 12P/Pons-Brooks apart is its classification as a cryovolcanic comet, harboring an icy volcano that releases dust, gases, and ice as it journeys through space. To catch a glimpse of this rare celestial visitor, observers are advised to look towards the western horizon in clear, dark skies post-dusk. While it may be visible to the naked eye, binoculars or a small telescope can enhance the viewing experience, particularly as its brightness can be unpredictable.
The highlight of this cosmic display is anticipated to be on April 21, marking the comet’s brightest phase before gradually fading from view as the days lengthen. Missing this astronomical event means waiting until the summer of 2095 for another chance to witness the “Mother of Dragons” comet in all its splendor. So seize the opportunity while you can, and marvel at the celestial wonder that graces our night sky in this fleeting moment of cosmic convergence.
About 12P/Pons-Brooks
12P/Pons-Brooks is a comet that returns every 71 years. It is one of the brightest periodic comets and can reach an absolute visual magnitude of about 5. The comet was first seen in July 1812 by Jean-Louis Pons at Marseilles Observatory, and again in 1883 by William Robert Brooks. Comets that have an orbital period of 20-200 years are called Halley-type comets. Some ancient records suggest that 12P/Pons-Brooks has appeared before.
The next time the comet passes the sun at its closest point will be on 21 April 2024. It will come the closest to Earth on 2 June 2024, at a distance of 232 million kilometers. During this time, it is expected to shine as bright as a 4.5 magnitude star. The comet’s nucleus is estimated to be around 30 kilometers in diameter, based on the 2020 measurements that were taken assuming it wasn’t producing too much gas or dust.
The December κ Draconids meteor shower, which occurs from November 29th to December 13th, is believed to originate from 12P/Pons-Brooks.
https://en.wikipedia.org/wiki/12P/Pons%E2%80%93Brooks
2024 Passage
On June 10, 2020, the comet Pons-Brooks was discovered by the Lowell Discovery Telescope when it was located beyond Saturn’s orbit at a distance of 11.9 AU from the Sun. It underwent a significant outburst on July 20, 2023, brightening from magnitude 16-17 to 11-12, resulting in a horseshoe-shaped coma. This outburst was likely caused by the release of approximately 10 billion kilograms of dust and ice. By August 5, the coma had expanded to a diameter of 600,000 kilometers at a rate of 220 m/s. The comet experienced subsequent outbursts on October 5, November 1, and November 14, with the latter bringing its brightness to apparent magnitude 9.3. Additional outbursts were observed on December 14 and January 18, 2024.
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In a remarkable demonstration of both the unpredictability of space and the extraordinary capabilities of modern astronomical detection, a small asteroid, designated 2024 UQ, recently made headlines after it struck Earth just hours after being identified. This event, which took place on October 22, 2024, marks the third “imminent impactor” recorded this year, highlighting the continual and often daunting reality of near-Earth objects (NEOs).
Discovered by the Asteroid Terrestrial-impact Last Alert System (ATLAS) in Hawaii, a network of four telescopes dedicated to scanning the night sky for potential collision threats, 2024 UQ was small—measuring only about 3 feet (1 meter) in diameter. While news of an asteroid making contact with Earth can evoke concern, there was no cause for alarm in this instance. The diminutive size of the asteroid meant that it posed very little threat to anything on the ground. In fact, it burned up in the atmosphere over the Pacific Ocean near California, leaving no trace or damage.
However, the swift timeline of events raises critical questions about the effectiveness of our current monitoring systems. The impact occurred just two hours after the initial detection, which meant that by the time data was transmitted to the impact monitoring systems operated by the European Space Agency’s Near-Earth Object Coordination Center, the impact had already taken place. According to their November 2024 newsletter, the ATLAS survey had successfully obtained images identifying the asteroid on a collision trajectory, but due to its position near the edge of two adjacent observational fields, it was not recognized as a significant threat until it was too late.
This incident serves as a reminder of the complexities involved in tracking and predicting the paths of NEOs. While advancements in technology have undoubtedly improved our ability to detect these celestial objects, the circumstances surrounding 2024 UQ showcase the potential for oversights in our monitoring capabilities. Despite this event being minor in scale, it emphasizes the importance of continued investment in space surveillance systems, as well as international collaboration in tracking potential hazards lurking in the vast expanse of space.
As we look forward, this close encounter reaffirms the need for vigilance in our exploration and observation of the cosmos. Each NEO presents an opportunity for learning and growth in our understanding of near-Earth dynamics. While 2024 UQ may have come and gone without incident, it certainly sparks curiosity about what lies ahead in our ongoing quest to safeguard our planet from the skies.
Reference Links:
Asteroid Terrestrial-impact Last Alert System (ATLAS): https://fallingstar.com/
The Danger from Asteroid Impact: https://fallingstar.com/danger.php
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/
STM Daily News is a vibrant news blog dedicated to sharing the brighter side of human experiences. Emphasizing positive, uplifting stories, the site focuses on delivering inspiring, informative, and well-researched content. With a commitment to accurate, fair, and responsible journalism, STM Daily News aims to foster a community of readers passionate about positive change and engaged in meaningful conversations. Join the movement and explore stories that celebrate the positive impacts shaping our world.
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In a striking reminder of the cosmos’s potential threats, NASA has issued a warning about a stadium-sized asteroid hurtling towards Earth at an astonishing speed of 16 kilometers per second. Designated as 2024 RV50, this massive rock measures approximately 710 feet in width and is set to pass our planet on October 18, 2024.
What We Know About 2024 RV50
Discovered relatively recently on September 1, 2024 RV50 belongs to the Apollo group of asteroids, which are known for their orbits that bring them close to Earth. The asteroid takes about 769 Earth days—roughly 2.1 years—to complete its orbit around the Sun, traveling at distances that can reach up to 386 million kilometers from the Sun and coming as close as 105 million kilometers.
NASA’s Jet Propulsion Laboratory (JPL) is diligently monitoring the asteroid’s trajectory using advanced tracking systems. According to current calculations, 2024 RV50 will pass Earth at a distance of approximately 7.42 million kilometers, which may seem far, but in astronomical terms, it’s a close encounter.
Potentially Hazardous?
While 2024 RV50 is classified as a potentially hazardous object due to its size and proximity to Earth, NASA assures us that it does not pose a threat. The risk of any significant impact is minimal, and the asteroid’s current trajectory suggests it will safely pass by our planet. For context, the next encounter with Earth is projected for October 18, 2064, when it will come even closer at a distance of about 5.67 million kilometers.
The Importance of Monitoring Asteroids
NASA’s ongoing efforts to track and monitor asteroids are crucial. These ancient celestial bodies provide insights into the early solar system, as they are remnants of the material that formed planets. Understanding their trajectories and potential impacts is essential for planetary defense, especially since history has shown that asteroid impacts have drastically altered Earth’s biosphere. The infamous asteroid that struck the Yucatán Peninsula 6.5 million years ago is believed to have contributed to the extinction of 75% of Earth’s species, including the dinosaurs.
Through advanced observation techniques and modeling, NASA aims to predict potential threats and develop mitigation strategies. Continuous monitoring of such objects not only helps safeguard our planet but also enriches our understanding of the solar system’s history.
As we prepare for the passing of 2024 RV50, it serves as a reminder of the dynamic nature of our universe and the importance of vigilance in the face of potential cosmic threats. NASA’s commitment to tracking these celestial bodies ensures that we remain informed and prepared for whatever the universe may send our way.
JPL website tracking Asteroid 2024 RV50: https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=2024%20RV50
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/
STM Daily News is a vibrant news blog dedicated to sharing the brighter side of human experiences. Emphasizing positive, uplifting stories, the site focuses on delivering inspiring, informative, and well-researched content. With a commitment to accurate, fair, and responsible journalism, STM Daily News aims to foster a community of readers passionate about positive change and engaged in meaningful conversations. Join the movement and explore stories that celebrate the positive impacts shaping our world.
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astronomy for hobbyist
Chasing Celestial Wonders: Your Guide to Spotting Comet Tsuchinshan-ATLAS
Comet Tsuchinshan-ATLAS is visible tonight after sunset. It’s a rare, long-period comet from the Oort Cloud, best viewed with binoculars against the western horizon.
Greetings, stargazers! If you missed the breathtaking display of the Northern Lights this past Thursday or are simply craving another celestial spectacle, there’s an unmissable show taking place in the night sky right now—Comet Tsuchinshan-ATLAS. Also known as C/2023 A3, this comet has recently made its closest approach to Earth, and it’s treating us with a glorious exhibition as it makes its way across the post-sunset western horizon.
When and Where to Look
Tonight, Sunday, October 13th, is the perfect opportunity for observers in the northern hemisphere to catch a glimpse of Comet Tsuchinshan-ATLAS. Approximately 45 minutes after sunset, keep your eyes peeled toward the western horizon. Although it’s close to reaching its intrinsic brightest, spotting the comet just after sunset could be challenging due to fading twilight. However, don’t let the bright, 83%-lit waxing gibbous moon discourage you, as its brightness won’t interfere with your viewing.
How to Spot the Comet
Using some well-known celestial reference points can help you locate the comet. First, ensure you have a clear view of the western horizon. Find the bright planet Venus and the bright star Arcturus—they will be close to the horizon. Comet Tsuchinshan-ATLAS will be situated slightly below a midpoint between these two brilliant points.
Although you might be able to spot the comet with your naked eyes, a pair of binoculars will enhance your view. The comet will rise a little higher in the sky this weekend compared to previous nights, providing a clearer view. Still, the observing window will be relatively short as the comet will quickly sink below the horizon again.
Upcoming Opportunities
If you’re unable to view the comet tonight, don’t worry. According to Sky & Telescope, the comet-watching conditions will improve as we move into the next week. Monday, October 14th, and Tuesday, October 15th are projected to offer the best viewing experiences since the comet will appear against a darker sky. Be sure to check back for our detailed viewing guides for those nights.
It’s important to note that comets—and weather conditions—can be unpredictable, so take advantage of clear skies whenever possible.
A Glimpse into History
Comet Tsuchinshan-ATLAS is more than just a fleeting celestial visitor; it’s an extraordinary long-period comet that hails from the Oort Cloud, the distant sphere of icy bodies that encircles our solar system. This comet makes an incredibly rare journey into the inner solar system only once every 80,000 years—a historic event to witness!
Discovered in early 2023 by astronomers from China’s Tsuchinshan Observatory, with its presence confirmed by the ATLAS telescope in South Africa, Comet C/2023 A3 represents both scientific curiosity and natural beauty.
Stay tuned to our astronomy section here https://stmdailynews.com/science/astronomy/
If you want more comet news, visit Earth-Sky: https://earthsky.org/astronomy-essentials/visible-planets-tonight-mars-jupiter-venus-saturn-mercury/
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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