Jessica Sullivan

6 Flips | 1 Magazine | @JessicaSullivan | Keep up with Jessica Sullivan on Flipboard, a place to see the stories, photos, and updates that matter to you. Flipboard creates a personalized magazine full of everything, from world news to life’s great moments. Download Flipboard for free and search for “Jessica Sullivan”

Planet X still doesn’t exist

Astronomers have searched for a Planet X for over a century. Now NASA’s WISE mission suggests Planet X will never be found.<p>After searching hundreds …

Astronomy

Cosmos is coming Sunday night

If you watch this three-minute long trailer for the new Cosmos without wanting to tune in to the whole series … you are made of sterner stuff than me.<p>…

Carl Sagan

See Earth in Mars’ night sky

If you were standing on Mars, you could see Earth and the moon as two bright evening or morning “stars.” A Mars rover captured this image of Earth in …

Full moon over the Acropolis

Last night’s full moon rising over the Acropolis of Athens, Greece<p>Eleanor Imster has helped write and edit EarthSky since 1995. She was an integral …

How long to orbit Milky Way’s center?

One journey of our sun and planets around the center of our Milky Way galaxy is sometimes called a cosmic year. That’s approximately 225-250 million …

Universe