EarthSky 22: Mars big as the moon?
Science News of the Week:
Three-year journey brings Mars rover to rim of crater
Water on Mars? Jorge speaks with planetary geologist Arthur McEwan of NASA. His team found evidence that may indicate there are salty water flows on certain slopes during the Martian summer.
Alfred McEwen: Possibility of flowing salty water on Mars
Will planet Mars appear as large as the full moon on August 27, 2011? Deborah Byrd reports.
Editor’s Note: Deborah Byrd made an error in explaining the Mars event. She said that – in 2003 – Mars had not been so close to Earth in millions of years. Actually, it was only 60,000 years. She apologizes for the exaggeration! Read more here: Will Mars appear as large as a full moon in August 2011?
Bluefin tuna Beth Lebwohl spoke with Bruce Collette.
Biofuels in the U.S. Southwest Jorge spoke with Dr. Amy Wolf about the USGS study of biofuel’s potential.
This week’s musical contributors: