See Sirius, the brightest star in the night sky

Find out how to spot Sirius, the brightest star as seen from Earth. Learn the mythology behind this dazzling light and how it earned the nickname of the Dog Star. Source: https://earthsky.org/brightest-stars/sirius-the-brightest-star…

Has Section 230 Created a ‘Vast Web of Vengeance’?

Slashdot reader GatorSnake shares “Another take of the implications of Section 230… One person poisoned the online personas of multiple people who had ‘wronged’ her, with it being nearly impossible to have the false accusations removed from the sites or from Google’s search results.” The New York Times reports:
Mr. Babcock, a software engineer, got off the phone and Googled himself. The…

The moon rock in Washington National Cathedral

A moon rock collected by Apollo astronauts during the first moon landing is enshrined in a stained-glass window – known as the Space Window – in the Washington National Cathedral. Source: https://earthsky.org/human-world/moon-rock-washington-national-cathedral-stained-glass-window…

What is the Sickle in Leo?

The Sickle in Leo is an easy-to-spot backward question mark shape made of stars that marks the head and shoulders of the constellation of the lion. The moon sometimes passes in front of the Sickle’s brightest star, Regulus. Source: https://earthsky.org/favorite-star-patterns/the-sickle-backward-question-mark-pattern-in-leo…

Astronomers estimate Titan’s largest sea is 1,000-feet deep

Far below the gaseous atmospheric shroud on Saturn’s largest moon, Titan, lies Kraken Mare, a sea of liquid methane. Cornell University astronomers have estimated that sea to be at least 1,000-feet deep near its center—enough room for a potential robotic submarine to explore. Source: https://phys.org/news/2021-01-astronomers-titan-largest-sea-feet.html…

Orion the Hunter is easy to spot

Orion is identifiable by his Belt, 3 medium-bright stars in a short, straight row at the mid-section of the Hunter. Source: https://earthsky.org/tonight/orion-the-hunter-is-easy-to-spot…

Moon, Mars, Uranus January 19, 20, 21

Over the next several evenings – January 19, 20 and 21, 2021 – let the moon show you the red planet Mars, and then use Mars to find the distant ice giant planet, Uranus. Source: https://earthsky.org/tonight/moon-mars-uranus-january-19-20-21…

Theia 456 is a stretched-out stream of sibling stars

A close look at the “stellar stream” known as Theia 456 finds it contains contains 468 stars born at the same time. Source: https://earthsky.org/space/theia-456-stellar-stream-468-stars-born-together…

How to find the Winter Hexagon or Winter Circle

The brightest stars in the Northern Hemisphere’s winter sky form the shape of a large hexagon, or circle, that will help you locate 6 constellations. Source: https://earthsky.org/favorite-star-patterns/winter-circle-highlights-brightest-winter-stars…