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This Comet Explosion Was 300 Million Times Stronger Than an Atomic Bomb
What happens when a comet collides with a gas giant? In July 1994, Shoemaker-Levy 9 slammed into Jupiter in a spectacular series of 21 explosions, creating fireballs bigger than Earth itself. This was ...
National Geographic news1mon
This asteroid might not hit Earth in 2032 after all—here’s how we know
The telescope was repurposed for asteroid and comet ... hit—even on the small side of its size estimate. At one point, the rock had a 3.1 percent chance of a violent rendezvous with Earth ...
Business Insider9y
These giant comets could be on a collision course with Earth
Astronomers have some new insight into the activity of centaurs, giant comets that could have a devastating impact if they hit the Earth's surface. Produced by Justin Gmoser and Jessica Orwig.
ABC71mon
Rare, green comet to pass by Earth for the first time in 50,000 years
which is why it's taken such a long journey -- and long time -- to swing by Earth again, according to The Planetary Society. A green comet will appear in the night sky this week, for the first ...
Business Insider India4y
The last major asteroid to hit Earth destroyed 500 square kilometers — and it could have been much worse
The Tunguska meteor that hit the Earth in 1908 — the largest known natural object to enter the planet’s atmosphere ever — flattened 2,000 square kilometers of forest. Even though the ...
insider.si.edu1mon
Astronomers Reveal Largest Collection of Comets Outside Earth’s Solar System Ever Found
The stars in this study range in ages from very young to middle-aged like our Sun. This new study shows how comets play a role in the formation of stars and planetary systems. Credit: Luca Matra.