Exploring the XDF, The Deepest Image of Our Universe, With Garth Illingworth

UC Santa Cruz astronomer and XDF Principal Investigator Garth Illingworth takes us on a tour of this magnificent new image that takes us from nearly the present day back to just a half-billion years after the Big Bang.

Help us celebrate Planetary Radio's 10th anniversary in November!  Call 626-793-5100, extension 226 to leave your anniversary message, or send an audio file with your tribute, musical or otherwise, to [email protected] . 

Related Links

• The XDF Project Website
• First Galaxies
• Curiosity Update: Digging In at Rocknest
• Celestron FirstScope

Trivia Contest

This week's prize is a Chop Shop Beyond Earth T-shirt!  (L or XL Only)

This week's question:
What is the shared first name of the Principal Investigators for the next two Mars missions?

To submit your answer:
Send an email no later than Monday, October 15, at 2 pm Pacific time to [email protected] containing:

Last week's question:
Which single spacecraft of five on trajectories leading out of the solar system is on the "other side" of the solar system, as seen from above?

Answer:
The answer will be revealed next week.

Question from the week before:
As of September 20, 2012, approximately how many Near Earth Asteroids are known to exist?

Answer:
About 9100 NEAs are now known to exist.