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The Winds of Hurricane Florence
Hurricane Florence stalled several hundred miles off the coast of the Carolinas on September 12, 2000. The storm had sustained winds of just over 75 miles per hour (33.5 meters per second), barely hurricane strength.Although Florence is not likely to…
Satellite Data Used to Combat Fires
This visible light/infrared composite image over Montana and Idaho wasacquired by the Moderate-resolution Imaging Spectroradiometer on Aug.23, 2000. The image shows the locations of actively burning wildfires (redpixels) and the thick shroud of smoke they produced (grey-blue pixels).There were 57…
Largest-ever Ozone Hole over Antarctica
A NASA instrument has detected an Antarctic ozone “hole” (whatscientists call an “ozone depletion area”) that is three times largerthan the entire land mass of the United States—the largest such areaever observed.The “hole” expanded to a record size of approximately…
Prospecting from Space Using ASTER
These images of the Saline Valley area, California, were acquired March 30, 2000, by the Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER).
Significant Event Report for Week Ending 9/8/2000
Cassini Significant Event Report For Week Ending 09/08/00 The most recent spacecraft telemetry was acquired from the Madrid tracking station on Wednesday, 09/06. The Cassini spacecraft is in an excellent state of health and is operating normally. The speed of…
Southern California in 3D
Southern California’s dramatic topography plays a critical role inits climate, hydrology, ecology, agriculture, and habitability. Thisimage of Southern California, from the desert at Mojave to the ocean atVentura, shows a variety of landscapes and environments. Winds usuallybring moisture to this…
IC 418: The “Spirograph” Nebula
Glowing like a multi-faceted jewel, the planetary nebula IC 418 lies about 2,000 light-years from Earth in the constellation Lepus. In this picture, the Hubble telescope reveals some remarkable textures weaving through the nebula. Their origin, however, is still uncertain.
Controlled Burn from the Air, South Africa
The MODIS Airborne Simulator [MAS (MODIS stands for Moderate Resolution Imaging Spectroradiometer, an instrument aboard the Terra satellite)] took this image of a controlled burn in the Madikwe Game Reserve,South Africa on August 20, 2000. The true color image (top)…
Volcanos and Climate Change
Volcanic aerosols play a significant role in driving Earth’s climate.
Smoke in Southern Africa
This SeaWiFS true-color image acquired over Southern Africa on Sept.4, 2000, shows a thick shroud of smoke and haze blanketing much of thesouthern half of the continent. The smoke in this scene is beinggenerated by a tremendous number of fires…
Fire Heat Signatures
This visible light/infrared composite imagefrom the Moderate Resolution Imaging Spectroradiometer (MODIS) shows the fires that continue to burn inIdaho and Montana even after a few days ofcool temperatures and light rain.Burnedareas shows up as black areas underneath the purple smoke.…
Multi-angle View of Zambia and Botswana
These Multi-angle Imaging Spectroradiometer (MISR) imagesof Zambia and Botswana, Africa were acquired on August25, 2000. The left image is a “true” color viewfrom the vertical-viewing (nadir) camera. True color means that theimages acquired through MISR’s red, green, and blue filters,respectively,…
He 2-90’s Appearance Deceives Astronomers
Astronomers using NASA’s Hubble Space Telescope have stumbled upon a mysterious object that is grudgingly yielding clues to its identity. A quick glance at the Hubble picture at top shows that this celestial body, called He 2-90, looks like a…
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