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If you want to see Saturn's rings, August 2022 is a great time to look. Grab a telescope, find a dark sky and read the tips found here!

The sky's brightest star - Sirius - is a double star. Here's how to see its small companion, Sirius B, or the Pup, which orbits the larger primary star.

Binary stars - a star system consisting of two stars - are extremely useful. They give all the information needed to measure the stars masses. Here is how.

Posted by EarthSky Voices in Brightest Stars | February 4, 2021 The sky’s brightest star – Sirius – is a double star. A small white dwarf called Sirius B, or the Pup, orbits the larger primary star. The Pup isn’t easy to spot, but it is possible. Here’s how. View at EarthSky Community Photos. | Michael Teoh at Heng Ee Observatory in Penang, Malaysia, captured this photo of Sirius A and Sirius B (a white dwarf) on January 26, 2021. He used 30 1-second exposures and stacked them together to make faint Sirius B appear. Thank you, Michael! Sirius the Dog Star is the bright...

Above: Manish Mamtani captured the full Cold Moon over Maine’s Nubble Lighthouse, which was lit up for the holiday season in 2019. Many called this full moon the last of the decade. View at EarthSky Community Photos. To many, the last full moon of the decade came last year, on December 12, 2019. But purists will call the December 2020 full moon the last full moon of the decade. It happens on December 29 or 30, depending on your time zone (more full for the Americas on the night of December 29; round and full on December 30, too, for everywhere worldwide). Like every full moon, December’s ...