planetary science

The Snowy Start to Enceladus’ Tiger Stripes Explained

This image of the Tiger Stripes  is a composite of the images taken from the CASSINI mission.

Since the Cassini spacecraft first brought the stripes to the world’s attention in 2005, planetary scientists have posited several explanations for their formation. Hemingway’s model is the first of these to simultaneously answer the following five key questions: (1) How do the fissures form? (2) Why do they form in a parallel set? (3) Why are they each around 35 kilometers apart? (4) Why do they appear on the south pole? And, (5) Why are they found only on Enceladus?

To answer these questions and understand why he chose to study the Tiger Stripes, we spoke with Hemingway.

Read more...

For #Apollo50th, 3 Things We Didn’t Know Before Landing on the Moon

For #Apollo50th, 3 Things We Didn’t Know Before Landing on the Moon

In honor of Apollo 11’s 50th anniversary, Carnegie DTM Director Rick Carlson summarized some of the science made possible by lunar samples brought back to Earth.

Read more...

When It Comes To Planetary Habitability, It’s What’s Inside That Counts

When It Comes To Planetary Habitability, It’s What’s Inside That Counts

Which of Earth’s features were essential for the origin and sustenance of life? And how do scientists identify those features on other worlds?

Read more...

Far Out There: The Hunt for the Mysterious Planet X

Far Out There: The Hunt for the Mysterious Planet X

Over the past few years, DTM's Scott Sheppard and his team have been performing the largest and deepest survey ever attempted of our Solar System's fringes.

Read more...

Discovered: The Most-Distant Solar System Object Ever Observed

Discovered: The Most-Distant Solar System Object Ever Observed

A team of astronomers including DTM's Scott Sheppard discovered the first known Solar System object detected at a distance that is more than 100 times farther than the Earth-Sun distance.

Read more...

2018 AGU Fall Meeting Update: Dec. 14

2018 AGU Fall Meeting Update: Dec. 14

DTM wrapped up the 2018 AGU Fall Meeting with a series of oral and poster presentations on Friday, December 14, 2018.

Read more...

Pages