Earth is about to have a temporary ‘mini-moon’ | CNN
网页19 小时之前 · CNN —. Earth is about to gain a new “mini-moon,” but it won’t stay around for long. The newly discovered asteroid, named 2024 PT5, will temporarily be captured by Earth’s gravity and ...
‘Potentially Hazardous’ Asteroid Will Zoom By Earth Tonight
网页A 510-foot asteroid will pass by Earth on Wednesday, coming within 2 million miles of the planet—around eight times further than the moon—and traveling at a speed of about 35,000 miles per ...
When a cruise liner-size asteroid zips by Earth, two spacecraft …
网页2024年7月16日 · When a cruise liner-size asteroid comes within 19,883 miles (32,000 kilometers) of Earth on April 13, 2029, it won’t be alone. The European Space Agency has announced that its new Ramses...
NASA’s Planetary Radar Tracks Two Large Asteroid Close …
网页2024年7月3日 · The Deep Space Network’s Goldstone planetary radar had a busy few days observing asteroids 2024 MK and 2011 UL21 as they safely passed Earth. Scientists at NASA’s Jet Propulsion Laboratory in Southern California recently tracked two asteroids as they flew by our planet.
Apophis - NASA Science
网页This animation shows the orbital trajectory of asteroid 99942 Apophis as it zooms safely past Earth on April 13, 2029. Earth’s gravity will slightly change the trajectory of Apophis as it comes within 20,000 miles (32,000 kilometers) of our planet’s surface.
NASA Analysis: Earth Is Safe From Asteroid Apophis for 100-Plus …
网页March 25, 2021. The near-Earth object was thought to pose a slight risk of impacting Earth in 2068, but now radar observations have ruled that out. After its discovery in 2004, asteroid 99942 Apophis had been identified as one of the …
NASA Analysis: Earth Is Safe From Asteroid Apophis for 100-Plus …
网页2021年3月26日 · The near-Earth object was thought to pose a slight risk of impacting Earth in 2068, but now radar observations have ruled that out. After its discovery in 2004, asteroid 99942 Apophis had been identified as one of the …
Asteroid Watch | NASA Jet Propulsion Laboratory (JPL)
网页Asteroid Watch: Keeping an Eye on Near-Earth Objects. Managed for NASA at the Jet Propulsion Laboratory, the Center for Near Earth Object Studies (CNEOS) accurately characterizes the orbits of all known near-Earth objects, predicts their close approaches with Earth, and makes comprehensive impact hazard assessments in support of the agency’s ...
Two Killer Asteroids Are Flying by Earth, and You May Be Able to …
网页2024年6月27日 · This week, two asteroids — one big enough to destroy a city, and the other so large it could end civilization — are set to fly near our planet. Don’t panic. Both have a zero percent chance ...
What We Learned From NASA’s DART Mission - The New York Times
网页2022年9月26日 · LAUREL, Md. — It’s the plot point for more than one Hollywood blockbuster: A rogue asteroid is hurtling toward Earth, threatening tsunamis, mass destruction and the death of every human being...