Planetary

 

A Meteor and the Gegenschein

2021 May 12

Apollo 17: The Crescent Earth

2021 April 29

Planetary Nebula Mz3: The Ant Nebula


Interplanetary Earth

In an interplanetary first, on July 19, 2013 Earth was photographed on the same day from two other worlds of the Solar System.

Jupiter and the Moons

After sunset on October 3, some of the Solar System's largest moons stood low along the western horizon with the largest planet.

MyCn 18: The Engraved Hourglass Planetary Nebula

Do you see the hourglass shape -- or does it see you?

Water Vapor Discovered on Distant Exoplanet

Where else might life exist?

Perijove 11: Passing Jupiter

Here comes Jupiter!

In Wolf's Cave

The mysterious blue reflection nebula found in catalogs as VdB 152 or Ced 201 really is very faint.

M27: Not a Comet

While hunting for comets in the skies above 18th century France, astronomer Charles Messier diligently kept a list of the things he encountered that were definitely not comets.

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