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The Cave Nebula in Infrared from Spitzer

What's happening in and around the Cave Nebula?

Jupiter Abyss

What's that black spot on Jupiter?

A Triangular Shadow of a Large Volcano

Why does the shadow of this volcano look like a triangle?

The Planet and the Pipe

Now posing against our galaxy's rich starfields and nebulae, brilliant planet Jupiter shines in the night sky.

A Live View from the International Space Station

If you were floating above the Earth right now, this is what you might see.

Lynds Dark Nebula 1251

Stars are forming in Lynds Dark Nebula (LDN) 1251.

Astronomy Picture of the Day: Lunar Eclipse over Cologne Cathedral

Why would a bright full Moon suddenly become dark? Because it entered the shadow of the Earth.

Astronomy Picture of the Day: Red Nebula, Green Comet, Blue Stars

This festively colored skyscape was captured in the early morning hours of December 17, following Comet Wirtanen's closest approach to planet Earth. The comet was just visible to the eye.

Astronomy Picture of the Day: Geminids and Friends

From a radiant in the constellation of the Twins, the annual Geminid meteor shower rained down on our fair planet this week.

Astronomy Picture of the Day: Swimming on Jupiter

On October 29, the Juno spacecraft once again dove near the turbulent Jovian cloud tops.

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