Galaxy

 

Astronomy Picture of the Day: Cetus Galaxies and Supernova

Large spiral galaxy NGC 1055 at top left joins spiral Messier 77 (bottom right) in this cosmic view toward the aquatic constellation Cetus.

Astronomy Picture of the Day: IC 1871: Inside the Soul Nebula

This cosmic close-up looks deep inside the Soul Nebula.

Astronomy Picture of the Day: The Tarantula Nebula

The Tarantula Nebula, also known as 30 Doradus, is more than a thousand light-years in diameter, a giant star forming region within nearby satellite galaxy the Large Magellanic Cloud.

Astronomy Picture of the Day: Comet 46P/Wirtanen

Periodic Comet 46P/Wirtanen is now the brightest comet in the night sky, but too faint to be seen by eye.

Astronomy Picture of the Day: The Cave Nebula in Hydrogen, Oxygen, and Sulfur

What's inside this cosmic cave? A stellar nursery 10 light-years deep.

Astronomy Picture of the Day: NGC 1499: The California Nebula

There's even a California in space. Drifting through the Orion Arm of the spiral Milky Way Galaxy, this cosmic cloud by chance echoes the outline of California on the west coast of the United States.

Astronomy Picture of the Day: Cygnus Shell Supernova Remnant W63

The ghost of a long-dead star, the W63 supernova remnant shines like a faint cosmic smoke-ring along the plane of the Milky Way galaxy toward the northern constellation Cygnus the swan.

Astronomy Picture of the Day: Shells of Stars in Elliptical Galaxy PGC 42871

How do galaxies grow? To help find out, the Hubble Space Telescope was deployed to image the unusual elliptical galaxy PGC 42871.

Astronomy Picture of the Day: Hyperion: Largest Known Galaxy Proto-Supercluster

How did galaxies form in the early universe?

Astronomy Picture of the Day: Summer to Winter Milky Way

Taken near local midnight, this autumn night's panorama follows the arch of the Milky Way across the northern horizon from the High Fens, Eifel Nature Park at the border of Belgium and Germany.

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