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  Friday, January 18 • Zero-magnitude Capella on high, and equally bright Rigel in Orion's foot, have almost the same right ascension. This means they cross your sky’s meridian at almost exactly the same time: around 9 or 10 p.m. now, depending on how far east or west you live in your time zone. So, whenever Capella passes its very highest, Rigel always marks true south over your landscape, and […]

The post This Week’s Sky at a Glance, January 18 – 26 appeared first on Sky & Telescope.

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Sky & Telescope Magazine by Nicoastro - 4d ago

The post IC1805 SHO appeared first on Sky & Telescope.

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Hundreds of sunrise and sunset times reveal that there’s something amiss with our calculations.

The post We Don’t Really Know When the Sun Rises appeared first on Sky & Telescope.

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New studies are challenging the core accretion theory, the primary model astronomers use to understand how worlds form in our solar system and beyond.

The post Scientists Question Popular Planet Formation Theory appeared first on Sky & Telescope.

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The total lunar eclipse of January 2019 promises to be a spectacle for those under clear skies in the zones of totality.

The post All You Need to Know for Sunday’s Total Lunar Eclipse appeared first on Sky & Telescope.

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The most distant magnified quasar known promises to shed light on the universe's early years.

The post Astronomers Discover Most Distant Lensed Quasar appeared first on Sky & Telescope.

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We peek ahead to see what comets await in 2019. Bright ones will be sparse, but several nice objects, including Comet Iwamoto (C/2018 Y1) and Comet Africano (C/2018 W2), will keep things lively.

The post Comets to Catch in 2019 appeared first on Sky & Telescope.

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The post Rosette Nebula on Monoceros appeared first on Sky & Telescope.

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