This image from Curiosity‘s navigation cam shows the scene from the rover’s position on Mars right after Curiosity completed its first...

This image from Curiosity‘s navigation cam shows the scene from the rover’s position on Mars right after Curiosity completed its first...

When people find out that I work in a planetarium they sometimes have questions.  Some of the most frequently asked questions is about...

When people find out that I work in a planetarium they sometimes have questions.  Some of the most frequently asked questions is about...

When people find out that I work in a planetarium they sometimes have questions.  Some of the most frequently asked questions is about...

When people find out that I work in a planetarium they sometimes have questions.  Some of the most frequently asked questions is about...

When people find out that I work in a planetarium they sometimes have questions.  Some of the most frequently asked questions is about...

The Mars rover Curiosity landed on the red planet 1 year ago today close to the time of this post.  You can join NASA in the anniversary...

The Mars rover Curiosity landed on the red planet 1 year ago today close to the time of this post.  You can join NASA in the anniversary...

The Mars rover Curiosity landed on the red planet 1 year ago today close to the time of this post.  You can join NASA in the anniversary...

The Mars rover Curiosity landed on the red planet 1 year ago today close to the time of this post.  You can join NASA in the anniversary...

The Mars rover Curiosity landed on the red planet 1 year ago today close to the time of this post.  You can join NASA in the anniversary...

Foothills of Mt. Sharp Next Tuesday is the 1 year anniversary of Curiosity’s landing on Mars. Curiosity will celebrate the day by...

Foothills of Mt. Sharp Next Tuesday is the 1 year anniversary of Curiosity’s landing on Mars. Curiosity will celebrate the day by...

Foothills of Mt. Sharp Next Tuesday is the 1 year anniversary of Curiosity’s landing on Mars. Curiosity will celebrate the day by...

Foothills of Mt. Sharp Next Tuesday is the 1 year anniversary of Curiosity’s landing on Mars. Curiosity will celebrate the day by...

Foothills of Mt. Sharp Next Tuesday is the 1 year anniversary of Curiosity’s landing on Mars. Curiosity will celebrate the day by...

Cassini, which has been orbiting Saturn since 2004, discovered jets of water ice and organic particles shooting out from Saturn’s moon...

Cassini, which has been orbiting Saturn since 2004, discovered jets of water ice and organic particles shooting out from Saturn’s moon...

Cassini, which has been orbiting Saturn since 2004, discovered jets of water ice and organic particles shooting out from Saturn’s moon...