Friday, December 31, 2021

Remembering MESSENGER’s Mission to Mercury, 10 Years Later

12/31/2021

NEWS & FEATURES

Take a tour of the solar system's planets
NASA/JOSHUA STEVENS

With thousands of exotic exoplanets known, the worlds of our solar system may seem rather dull. Trust us, they’re not.

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Capture the sky with Stellarvue's SVX 102T
Tony Hallas

This scope is perfect for astrophotographers and visual observers alike.

Starbirth Puzzle 
Astro for kids: Have we made an object that can travel at 1% the speed of light?
NASA/Johns Hopkins APL/Steve Gribben

While 1 percent of anything doesn’t sound like much, with light, that’s still really fast – close to 7 million miles per hour!

Spinning star slingshots plasma at 7 million miles per hour
University of Warwick/Mark Garlick

The fastest-spinning white dwarf on record completes a full rotation in 25 seconds.

Ask Astro: If time stops for an object falling into a black hole, how can LIGO see black holes colliding?
Astronomy: Roen Kelly

I’ve always understood that, according to general relativity, a distant observer of someone who falls into a black hole would see them slow down, then come to a virtual stop at the event horizon and become “smeared.” So how is it that LIGO can record two black holes combining in milliseconds?

PICTURE OF THE DAY

Future stars
Fernando Menezes from Munhoz, Brazil

The Lagoon Nebula, also known as Messier 8, is a huge emission nebula in the constellation Sagittarius the Archer. Eventually, several thousand stars will form from the gas in this region.

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Scientist Pankaj

Today in Science: Humans think unbelievably slowly

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