Friday, March 4, 2022

If a Planet-Killing Asteroid Threatens Earth, These Astronomers Have a Plan

03/04/2022

NEWS & FEATURES

If a planet-killing asteroid threatens Earth, these astronomers have a plan
Dotted Yeti/Shutterstock

Our technologies are on the verge of being able to save us. But it will be close.

Astronomy Planisphere 
Russian invasion of Ukraine and resulting U.S. sanctions threaten the future of the International Space Station
NASA Marshall Spaceflight Center/Flickr

What happens to the International Space Station when tensions on Earth rise? A space policy expert explains how the ISS is run and how Russian aggression has threatened its operation in the past – and now.

Nukes on the Moon: When the Atomic Age met the Space Age
NASA/MSFC

Is space for exploration or militarization? Early rocket pioneers like Wernher von Braun thought it might be prudent to pursue both.

50 years ago: NASA's first mission to Jupiter
NASA

The quarter-ton, car-sized Pioneer 10 probe was NASA's first foray into the outer solar system, revolutionizing our picture of the gas giant Jupiter.

Ask Astro: What are the largest Near-Earth Objects?
NASA/JPL-Caltech

What is the largest asteroid and comet considered to be a near-Earth object? How large are they?

OBSERVING

The sky this week
NASA’s Scientific Visualization Studio

Your daily digest of celestial events coming soon to a sky near you.

PICTURE OF THE DAY

Old friend
James Esch from Lovettsville, Virginia

The Orion Nebula (M42) may be the most photographed deep-sky object of all. It’s a huge emission nebula and star-forming complex. In addition to the glowing hydrogen, however, the object also has regions of both reflection and dark nebulae.

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