Today in Adelaide, South Australia it is a maximum of 43 degrees centigrade and we are towards the end of a heatwave. Should be back down to a maximum of 26 degrees C on Tuesday. I have been watching the TV news about the big freeze in Europe, and in the US.
So, I am in the cool of the local library reading astronomy magazines catching up in this area of my interests.
"Astronomy" magazine dated December 2009 on page 23 has an interesting item.
"Samples of Comet Wild returned to Earth by NASA's Stardust spacecraft show the unmistakable presence of the amino acid glycine."
"Because terrestrial life uses glycine, earlier researchers didn't know if the glycine might be earthly contamination. But Elsila's team found the glycine carbon-isotope abundances matched those in space."
"Our discovery supports the theory that some of life's ingredients formed in space and were delivered to Earth long ago by meteorites and comet impacts..."