Friday, January 21, 2022

Researchers Find More Missing Dark Matter

01/21/2022

NEWS & FEATURES

Researchers find more missing dark matter
Javier Román & Pavel Mancera Piña

Another galaxy, AGC 114905, has been spotted with a distinct lack of dark matter.

Astronomy Posters 
How Australia's 1922 solar eclipse proved Einstein right
Ontario Picture Bureau/Wikimedia Commons

A total eclipse that travelled the full width of Australia in 1922 offered astronomers the chance to confirm Einstein’s theory of general relativity - and for the community to enjoy a rare spectacle.

Spend some time observing in Auriga
Astronomy: Richard Talcott and Roen Kelly

With three Messier objects and loads of other bright targets, the Charioteer has a lot to offer.

Snapshot: Sagittarius A* gives its compliments to the chef
NASA, ESA, and Gerald Cecil (UNC-Chapel Hill); Image Processing: Joseph DePasquale (STScI)

The Milky Way's supermassive black hole may have burped as recently as a few thousand years ago.

Ask Astro: Is Sirius part of the Milky Way? Does it have any planets? 
Akira Fujii

Ask Astro: Is Sirius part of the Milky Way? Does it have any known planets?

OBSERVING

The sky this week
Luis Argerich (Flickr)

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

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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