NASA: National Aeronautics and Space Administration

NASA Earth Observatory

April 2001 Heat

  1. March 2001
    2. •
  2. May 2001
Measuring Solar Insolation April 19, 2001
Measuring Solar Insolation
Biggest Solar Flare on Record April 11, 2001
Biggest Solar Flare on Record
Warm Ocean Temperatures Blanket the Far-Western Pacific April 2, 2001
Warm Ocean Temperatures Blanket the Far-Western Pacific
  1. March 2001
    2. •
  2. May 2001
last updated: January 20, 2009