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Intrepid Crater on Mars from Opportunity

Astronomy Picture of the Day - Thu, 04/05/2018 - 10:13

The robotic rover Opportunity sometimes passes small craters on Mars.


Intrepid Crater on Mars from Opportunity

Astronomy Picture of the Day - Wed, 04/04/2018 - 09:58

The robotic rover Opportunity sometimes passes small craters on Mars.


Moons, Rings, Shadows, Clouds: Saturn (Cassini)

Astronomy Picture of the Day - Tue, 04/03/2018 - 09:32

While cruising around Saturn,


I Brought You the Moon

Astronomy Picture of the Day - Mon, 04/02/2018 - 07:54

I love you so much that I brought you the Moon.


Twilight in a Western Sky

Astronomy Picture of the Day - Sun, 04/01/2018 - 07:13

A slender crescent Moon and inner


NGC 247 and Friends

Astronomy Picture of the Day - Sat, 03/31/2018 - 06:38

About 70,000 light-years across,


NGC 2023 in the Horsehead s Shadow

Astronomy Picture of the Day - Fri, 03/30/2018 - 06:22

Carved by a bright


Blue Moon Tree

Astronomy Picture of the Day - Thu, 03/29/2018 - 06:21

Does an alignment like this occur only once in a blue moon?


Mars Between Nebulas

Astronomy Picture of the Day - Wed, 03/28/2018 - 06:16

What's that bright red spot between the Lagoon and Trifid Nebulas?


The Coma Cluster of Galaxies

Astronomy Picture of the Day - Tue, 03/27/2018 - 05:26

Almost every object in the above photograph is a galaxy.


Announcing Nova Carinae 2018

Astronomy Picture of the Day - Mon, 03/26/2018 - 05:11

How bright will Nova Carinae 2018 become?


NGC 602 and Beyond

Astronomy Picture of the Day - Sun, 03/25/2018 - 04:08

Near the outskirts of the


Sharpless 249 and the Jellyfish Nebula

Astronomy Picture of the Day - Sat, 03/24/2018 - 04:06

Normally faint and elusive, the Jellyfish Nebula is caught in


NGC 253: Dusty Island Universe

Astronomy Picture of the Day - Fri, 03/23/2018 - 04:04

NGC 253: Dusty Island Universe


Camera Orion

Astronomy Picture of the Day - Thu, 03/22/2018 - 03:46

Do you recognize this constellation?


Chicagohenge: Equinox in an Aligned City

Astronomy Picture of the Day - Wed, 03/21/2018 - 03:40

Sometimes, in a way, Chicago is like a modern


The Nebra Sky Disk

Astronomy Picture of the Day - Tue, 03/20/2018 - 02:29

Some consider it the oldest known illustration of the night sky.


Rotating Moon from LRO

Astronomy Picture of the Day - Mon, 03/19/2018 - 01:28

No one, presently, sees the Moon rotate like this.


The Crab from Space

Astronomy Picture of the Day - Sun, 03/18/2018 - 01:27

The Crab Nebula is cataloged as M1, the first object on


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