• Sunset Icon SUNSET:
  • Full Moon Icon MOON: 90% Waxing Gibbous
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Where to Look Tonight


This Week's Sky at a Glance, December 2 – 10

This Week's Sky at a Glance, December 2 – 10

Mars is at opposition this week. And on the opposition night of December 7-8, the perfectly full Moon occults Mars. Orion enters stage east ever earlier, the Summer Triangle sinks in the west, and the Big Dipper lies low.

where to look

December: Mars in the Spotlight

Sky Tour Podcast

December's solstice means that for many skywatchers the night will be up to 14 hours long — providing lots of time to enjoy the starry sky. This month’s celestial highlights are the close approach of the Moon and Mars (and, for many, a coverup) on December 7th and the Gemind meteor shower on the December 13th. Our fun and factual Sky Tour podcast provides all the details.

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Become a Backyard Cosmic Explorer

Become a Backyard Cosmic Explorer

No matter how you look up at the sky — with a telescope, binos, or just your eyes — you're a cosmic explorer.

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The cover of the January 2023 issue

This Month’s Issue

Sky & Telescope Magazine

Explore the astronomy magazine that’s been out of this world for more than 80 years.

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The cover of the January 2023 issue

Issue Highlights

  • Aging Ungracefully

    Melinda Soares-Furtado & Sarah Kubiak

  • The Neverending Survey

    Karen Masters

  • Riding the Radcliffe Wave

    Brian Ventrudo