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Asteroids

It’ll be Tough to Stop an Asteroid at the Last Minute, but not Impossible

On September 26th, 2022, NASA’s Double-Asteroid Redirect Test (DART) made history when it rendezvoused with the asteroid Didymos and...

Three New Potentially Hazardous Asteroids Discovered, Including a big one That Measures 1.5 km Across

An asteroid 1. 5 km across is no joke. Even a much smaller one, about the size of...

When an Asteroid Gets Close to Earth, we get a Rare Opportunity to Learn What it’s Made of

Gravity calculations can provide plenty of insight into a variety of phenomena. Everything from Einstein rings to the...

A New 3,200-Megapixel Camera Has Astronomers Salivating

The world’s biggest digital camera is finally coming into focus. While a very powerful personal camera might have...

The Asteroid That Killed the Dinosaurs Also Flooded the World’s Coastlines With a Catastrophic Tsunami

For decades, scientists have theorized that a massive impact caused the Cretaceous-Paleogene extinction event. This event occurred about...

Arecibo Won’t Be Rebuilt

The National Science Foundation announced last week that it won’t rebuild or replace the iconic Arecibo Observatory in Puerto...

Success! DART Impact Shortened Asteroid’s Orbit Time by 32 Minutes

NASA says its DART spacecraft caused a larger-than-expected change in the path of its target asteroid when they collided...

Thanks to Hayabusa 2’s Samples, Scientists can Track the History of Ryugu Earlier in the History of the Solar System

When Huyabusa2 returned a sample of Ryugu, a Near Earth Asteroid, to Earth in December 2020, it was sure...

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