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What’s Up: May 2025 Skywatching Tips from NASA

Sky chart showing Venus and Saturn with the crescent Moon
Sky chart showing Venus and Saturn with the crescent Moon in the predawn sky on May 23., 2025. NASA/JPL-Caltech

What’s Up for May? Four bright planets, morning and night, a chance of meteor showers, and waiting for a nova.

  • May Planet Viewing

For planet watching this month, you’ll find Mars and Jupiter in the west following sunset. Mars sticks around for several hours after it gets dark out, but Jupiter is setting by 9:30 or 10 p.m., and getting lower in the sky each day. 

  • Eta Aquarid Meteor Shower

Early May brings the annual Eta Aquarid meteor shower. These are meteors that originate from Comet Halley. Earth passes through the comet’s dust stream each May, and again in October.

  • Waiting for a Nova

Astronomers have been waiting expectantly for light from a distant explosion to reach us here on Earth. An event called a nova is anticipated to occur sometime in the coming months. Some 3,000 light years away is a binary star system called T Coronae Borealis, or “T CrB.”

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