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The transition from spherically symmetric asymptotic giant branch mass loss to aspherical planetary nebulae is an intriguing problem of stellar astrophysics. On 12 μm maps of the Infrared Astronomical ...

Deep-Sky Dreams: NGC 7008 Discover the Fetus Nebula—an easy, bright planetary nebula in Cygnus perfect for small telescopes. By Dave Eicher | Published: June 13, 2025 | Last updated on June 16, 2025 ...

Use it to track down one of the most famous planetary nebulae in the sky: M27, the Dumbbell Nebula. Shining at magnitude 7.4 and stretching some 8’ by 6’, this was the first planetary nebula ...

The Cat's Eye Nebula is made up of 11 rings of gas, giving it one of the most complex structures of any known nebula. It was one of the first planetary nebulas ever discovered.

Early risers can spot Venus low in the east after 4 a.m. on July 9, the Almanac says. The waning crescent Moon then joins Venus and Jupiter to form a tight predawn triangle on July 22 Evening ...

There aren’t any releases here You can create a release to package software, along with release notes and links to binary files, for other people to use. Learn more about releases in our docs.

In the 1950s, Earth averaged about one extreme weather-inducing planetary wave event a summer. Now, it is getting about three per summer, according to a study in Monday's Proceedings of the National ...

Discover what will happen when the sun dies, from its red giant phase to its final transformation — plus why we don’t need to worry for billions of years.

Planetary waves are connected to 2021's deadly and unprecedented Pacific Northwest heat wave, the 2010 Russian heatwave and Pakistan flooding and the 2003 killer European heatwave, the study said.