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Space
Icy rain from Saturn’s rings is heating the planet
A new discovery shows an icy rain from Saturn's rings affects the planet's atmosphere. This insight could help lead to the discovery of rings around exoplanets.
March 30, 2023
Space
Brightest gamma-ray burst of ‘all time’
The brightest gamma-ray burst of all time - or at least so far - blasted into the collective consciousness of earthly astronomers on October 9, 2022.
March 30, 2023
Tonight
See 5 planets after sunset, in the sky or via video
This week you can see 5 planets arcing across the evening sky. They are Venus and Uranus, Jupiter and Mercury, and Mars. See charts here.
March 30, 2023
Sun
Sun activity: High, with 3 M flares
Sun activity for March 30, 2023. After yesterday's X flare, active region AR3256 produced three M flares over the past day. Each created a radio blackout.
March 30, 2023
Astronomy Essentials
Visible planets and night sky March and April
Visible planets: See 5 evening planets the last few days of March. They are Venus and Uranus, Jupiter and Mercury, plus Mars. The morning planet is Saturn.
March 30, 2023
Astronomy Essentials
Best targets for binoculars, for beginners
The best targets for binoculars in the night sky are the moon, planets, star clusters and nebulae. Learn what sky’s wonders you can see through binoculars.
March 30, 2023
Astronomy Essentials
Meteor shower guide: Next up, the Lyrids
Your meteor shower guide for 2023. There are some good ones! Next up ... the Lyrids in April. And then, the Eta Aquariids in May.
March 30, 2023
Spaceflight
SpaceX Starlink launches for March are complete
There were 4 SpaceX Starlink launches in March. Learn more about the launches here and find a link to locate Starlink satellites in your sky.
March 29, 2023
Earth
How wildlife can help curb global warming
A new study shows that protecting wildlife can play a huge role in carbon storage and limiting climate change. Read what animals make a big difference.
March 29, 2023
Spaceflight
The Artemis program: NASA’s mission to return to the moon
The Artemis program aims to return humans to the moon. NASA will announce the astronauts for the Artemis II mission on April 3, 2023.
March 29, 2023
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