Scratching the Surface

Scratching the Surface: Lunar Lava Tubes

Jun 18, 2018

Here on Earth, lava has been all over the news lately. As volcanoes erupt, the firey, molten rock sinks into flat earth to create networks of tunnels- something scientists have discovered underneath Hawaii's volcanoes

Scratching the Surface: Fingerprint Terrains

May 14, 2018

Take a close look at the surface of Mars and you might mistake the images for the dusting of a crime scene. Alas, these troughs and ridges, known as "fingerprint terrain," are actually rows of circular mounds beneath the surface of Mars. 

How did they form? Good question. As usual, Caitlin Ahrens breaks down this touchy subject in today's episode. 

Scratching the Surface: Rogue Planets

Apr 10, 2018
NASA/JPL-Caltech

Welcome to Scratching the Surface with Caitlin Ahrens, the Pluto Manager at the University of Arkansas Center for Space and Planetary Science. 

What is a planet without a place to call home? Well, according to the International Astronomical Union- infamous for demoting Pluto- they are called sub-brown dwarfs officially. Don't let the name fool you, though, most of these "dwarfs" are about the size of Jupiter. 

Scratching the Surface: Listening to Jupiter

Feb 23, 2018
NASA

Welcome to Scratching the Surface with Caitlin Ahrens, the Pluto Manager at the University of Arkansas Center for Space and Planetary Science. 

Some planets just want to be heard. The large magnetic fields and radiated plasma from Jupiter's storms create some of the loudest noises in our solar system. In this episode Caitlin explains how we are able to decipher the sounds of Space. 

Listen to some of Jupiter's spooky sounds in this playlist compiled by NASA. 

Scratching the Surface: Weather on Neptune

Feb 7, 2018
NASA

Welcome to Scratching the Surface with Caitlin Ahrens, the Pluto Manager at the University of Arkansas Center for Space and Planetary Science.

Besides being the windiest planet in our solar system, Neptune also has seasons that last up to 40 years at a time. In July 2017 a large storm spot appeared near the planet's equator, the vortex of water vapor and methane grew to size as wide as Earth

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