Curiosity Finds a Martian Stream Bed and Endeavour Flies Home

The Mars Science Laboratory Rover appears to have found an ancient stream bed. Emily Lakdawalla provides the evidence, and reviews What's Up in the Solar System for October. Shuttle Endeavour flew home to Southern California on September 21st.  The flight was witnessed by hundreds of thousands, including a crowd at the plant where much of the craft was built.  Mat Kaplan presents a sound portrait.

Related Links

• What's Up in the Solar System in October 2012
• Curiosity Update, Sol 52: Glenelg Ho!
• Video: Endeavour's Final Liftoff
• 2012 International Astronautical Congress in Naples
• VIDEO: Endeavour Thrills Crowd as it Flies Over Former Rockwell Plant

Trivia Contest

This week's prize is a Planetary Radio T-shirt!

This 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?

To submit your answer:
Send an email no later than Monday, October 8, at 2 pm Pacific time to [email protected] containing:

Last week's question:
As of September 20, 2012, approximately how many Near Earth Asteroids are known to exist?

Answer:
The answer will be revealed next week.

Question from the week before:
What is the south pole star of Mercury?

Answer:
Alpha Pictoris