Tag #Planetary Defense

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mk.ru

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Jan 31, 13:08

100-Meter Asteroid Triggers Global Planetary Defense Protocols

A 100-meter-wide asteroid, 2024 YR4, discovered on December 27, 2023, has a 1.3% chance of impacting Earth on December 22, 2032, triggering global planetary defense protocols for the first time for an asteroid of this size; international collaborations are monitoring and planning potential mitigatio...

100-Meter Asteroid Triggers Global Planetary Defense Protocols

A 100-meter-wide asteroid, 2024 YR4, discovered on December 27, 2023, has a 1.3% chance of impacting Earth on December 22, 2032, triggering global planetary defense protocols for the first time for an asteroid of this size; international collaborations are monitoring and planning potential mitigatio...

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What is the significance of activating global planetary defense protocols for asteroid 2024 YR4, and what are the immediate implications?

A 100-meter-wide asteroid, 2024 YR4, has triggered global planetary defense protocols due to a calculated 1.3% chance of impacting Earth on December 22, 2032. This is the first time such procedures have been activated for an asteroid of this size. The asteroid was discovered on December 27, 2023, and currently ranks high on the risk lists maintained by US and European space agencies.

zeit.de

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Jan 30, 13:08

Asteroid 2024 YR4: 1.2% Chance of Earth Impact in 2032

Asteroid 2024 YR4, discovered on December 25th, has a 1.2% chance of impacting Earth on December 22, 2032, prompting the International Asteroid Warning Network's data collection; while not a planet killer, an impact could cause significant regional damage.

Asteroid 2024 YR4: 1.2% Chance of Earth Impact in 2032

Asteroid 2024 YR4, discovered on December 25th, has a 1.2% chance of impacting Earth on December 22, 2032, prompting the International Asteroid Warning Network's data collection; while not a planet killer, an impact could cause significant regional damage.

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What agency is monitoring 2024 YR4, and what actions are being taken?

The 1.2% impact probability, while low, has triggered the International Asteroid Warning Network (IAWN) data collection. The asteroid, estimated at 40-100 meters in diameter, is currently 27 million kilometers from Earth and was first detected on December 25th.

china.org.cn

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Dec 7, 07:07

China's Observatories Successfully Track Asteroid 2024 XA1 Before Earth Impact

Chinese observatories successfully tracked and imaged asteroid 2024 XA1 before its atmospheric entry over eastern Siberia on December 3, 2024, marking the 11th successful early warning of an asteroid impacting Earth and highlighting advancements in near-Earth object detection capabilities.

China's Observatories Successfully Track Asteroid 2024 XA1 Before Earth Impact

Chinese observatories successfully tracked and imaged asteroid 2024 XA1 before its atmospheric entry over eastern Siberia on December 3, 2024, marking the 11th successful early warning of an asteroid impacting Earth and highlighting advancements in near-Earth object detection capabilities.

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What was the significance of China's successful tracking and imaging of asteroid 2024 XA1 before its atmospheric entry?

On December 3, 2024, observatories in China, including the Lijiang branch of the Yunnan Observatories, successfully tracked and imaged asteroid 2024 XA1 before its atmospheric entry over eastern Siberia. This marked the 11th successful early warning of an asteroid impacting Earth in 2024, showcasing advancements in near-Earth object (NEO) detection. The asteroid, estimated between 75 centimeters and one meter in diameter, was first detected by a University of Arizona telescope and subsequently imaged by multiple Chinese observatories.

smh.com.au

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Jan 31, 01:09

Asteroid 2024 YR4: 1.3% Chance of Earth Impact in 2032

Asteroid 2024 YR4, discovered by ATLAS on December 27, 2023, has a 1.3% chance of impacting Earth on December 22, 2032, posing a localized threat but not a global extinction event, according to NASA's Sentry Risk List and the European Space Agency.

Asteroid 2024 YR4: 1.3% Chance of Earth Impact in 2032

Asteroid 2024 YR4, discovered by ATLAS on December 27, 2023, has a 1.3% chance of impacting Earth on December 22, 2032, posing a localized threat but not a global extinction event, according to NASA's Sentry Risk List and the European Space Agency.

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What is the current impact probability of asteroid 2024 YR4, and what level of damage could it cause?

Asteroid 2024 YR4, discovered on December 27, 2023, has a 1.3% chance of impacting Earth on December 22, 2032. It is estimated to be 39-100 meters long, a size capable of causing significant localized damage, similar to the 1908 Tunguska event, but not a global catastrophe. Current predictions are based on limited observations and are expected to improve.

spanish.china.org.cn

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Dec 8, 07:05

Chinese Observatory Captures Images of Falling Asteroid

The Lijiang observatory in Yunnan, China, using its 2.4-meter telescope, captured rare images of asteroid 2024 XA1's atmospheric entry over East Siberia on December 4th, 2024, less than 12 hours after its detection, showcasing advancements in near-Earth object monitoring.

Chinese Observatory Captures Images of Falling Asteroid

The Lijiang observatory in Yunnan, China, using its 2.4-meter telescope, captured rare images of asteroid 2024 XA1's atmospheric entry over East Siberia on December 4th, 2024, less than 12 hours after its detection, showcasing advancements in near-Earth object monitoring.

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What is the significance of the Lijiang observatory's successful imaging of asteroid 2024 XA1?

The Lijiang observatory in Yunnan, China, captured images of asteroid 2024 XA1 entering Earth's atmosphere over East Siberia on December 4th, 2024. The asteroid was detected at 1:55 PM (Beijing time) on December 3rd and fell within 12 hours. This rapid detection highlights advancements in near-Earth object monitoring.

dailymail.co.uk

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Dec 4, 19:09

Massive Asteroid Impacts Show No Long-Term Climate Change

Two massive asteroid impacts, one in what is now Chesapeake Bay 35 million years ago and another in Russia 25,000 years prior, surprisingly caused no long-term climate change, despite creating huge craters and immediate devastation, as revealed by analysis of foraminifera fossils.

Massive Asteroid Impacts Show No Long-Term Climate Change

Two massive asteroid impacts, one in what is now Chesapeake Bay 35 million years ago and another in Russia 25,000 years prior, surprisingly caused no long-term climate change, despite creating huge craters and immediate devastation, as revealed by analysis of foraminifera fossils.

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What are the implications of these findings for our understanding of asteroid impacts and future planetary defense strategies?

The study highlights the limitations of current sampling methods in capturing shorter-term climate effects of asteroid impacts. While these events would cause immediate devastation, their long-term climate impact may be less significant than previously thought. Further research is needed to improve the resolution of climate records.

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