Venus or Bust

The European Space Agency has launched the Venus Express, a satellite that will orbit Earth’s sister planet in search of data on climate change.

Two NASA satellites and the European Space Agency’s Venus Express have set out to find clues that will aid scientists’ understanding of climate change on Earth. Astrophysicist Neil deGrasse Tyson tells Living on Earth host Steve Curwood about these missions and about why Venus is hot and Earth is not frozen.