On This Episode
Carbondale Solar Eclipse Steering Committee Co-Chair and Illinois Citizen CATE Coordinator for Southern Illinois University
Director of Public Observing for Adler Planetarium
Filmmaker for Eclipse Megamovie Team
Research Physicist for University of California, Berkeley
Our ongoing coverage of preparation for the Great American Eclipse takes us to Southern Illinois University Carbondale where a huge celebration is planned. Then we hear from two members of the team that wants you to do eclipse science in the Eclipse Megamovie Project. Senior Editor Emily Lakdawalla is back! She was at JPL when Cassini began the final phase of its Saturn journey. How many confirmed planets are there in our galaxy? Bruce Betts will answer that question and offer another space trivia quiz in What’s Up.
- Southern Illinois University Carbondale Eclipse 2017–2024
- Adler Planetarium
- The Eclipse Megamovie Project
- NASA’s Total Solar Eclipse website
- Dante Lauretta’s new Constellations board game
- Pincause, designer of the official March for Science pin
This week's prizes are a Planetary Radio t-shirt, now available in both men’s and women’s styles, and a 200-point iTelescope.net astronomy account.
This week's question:
What are the names of the two Astrobots on the surface of Mars? You’ll find them on the Mars Exploration Rovers, Spirit and Opportunity.
To submit your answer:
Complete the contest entry form at http://planetary.org/radiocontest or write to us at [email protected] no later than Wednesday, May 10th at 8am Pacific Time. Be sure to include your name and mailing address.
Last week's question:
What letter is used to classify the most powerful class of solar flares, as observed from near Earth in X-rays? (Using the most popular system now in use.)
The answer will be revealed next week.
Question from the week before:
Within 100 or so, how many CONFIRMED exoplanets have been discovered?
As of April 21st, NASA acknowledged discovery of 3,475 confirmed exoplanets. Some sources put the number even higher.