Ep. 502: No Touching: Determining Composition of Worlds Remotely

How do you know what something is made of if you can’t reach out and touch it? How do we know what planets lights years away have in their atmosphere? What about the rocks all around Curiosity? Or the geysers coming out of Europa and Enceladus? Scientists have a few handy tricks.

This episode was recorded on Thursday, Oct 18, 2018. We usually record Astronomy Cast every Friday at 3:00 pm EDT / 12:00 pm PDT / 19:00 UTC. You can watch us live on here on AstronomyCast.com, or the AstronomyCast YouTube page.

If you would like to support Astronomy Cast, please visit our page at Patreon here – https://www.patreon.com/astronomycast. We greatly appreciate your support!

If you would like to join the Weekly Space Hangout Crew, visit their site here and sign up. They’re a great team who can help you join our online discussions!

If you’d like to join Dr. Paul Sutter and Dr. Pamela Gay on their Cosmic Stories in the SouthWest Tour in August 2019, you can find the information at astrotours.co/southwest.

Download the show [MP3] | Jump to Shownotes | Jump to Transcript

This episode is sponsored by: Casper.

Show Notes

What is spectroscopy?
Studying spectrographs of stars and planets
How Does a Spectrograph Work? [Infographic]
Every color of the Sun’s rainbow: Why are there so many missing?
Spectrographs and Spectra (with images)
KMOS (K-Band Multi Object Spectrometer) at VLA
Spectrophotography With a GRISM Star Spectrograph
Mars Curiosity Rover and its equipment
Emission and Absorption lines
TESS Exoplanet Mission – (Transiting Exoplanet Surveying Satellite)


Transcription services provided by: GMR Transcription

Transcription here

Download the show [MP3] | Jump to Shownotes | Jump to Transcript

, , , , , ,

No comments yet.

Leave a Reply

Powered by WordPress. Designed by WooThemes