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Dry Times in North America
This article describes how scientists use data from satellites and rain gauges along with tree-rings and lakebed sediments to understand and predict drought in North America.
Bitterroot Inferno
John McColgan took this stunning photograph in the Bitterroot National Forest, Montana, on Aug. 6, 2000. McColgan is a fire behavior analyst working for the Alaska Forest Service in Fairbanks, Alaska. The picture shows two elk standing in a stream,…
3D View of Los Angeles
Full size color image (752 KB)Full size anaglyph (3.1 MB)California’s topography poses challenges for roadbuilders. Northwest of Los Angeles, deformation of Earth’s crust along thePacific-North American crustal plate boundary has made transportationdifficult. Direct connection between metropolitan Los Angeles (image lowerleft)…
Significant Event Report for Week Ending 9/22/2000
Cassini Significant Event Report For Week Ending 09/22/00 The most recent spacecraft telemetry was acquired from the Goldstone tracking station on Wednesday, 9/20. The Cassini spacecraft is in an excellent state of health and is operating normally. The speed of…
The Third Anniversary of SeaWiFS
It is with great pleasure that the Sea-viewing Wide Field-of-view Sensor(SeaWiFS) Project announces that September 18, 2000, was the third anniversary of the start of SeaWiFS observations of this remarkable planet called Earth. This SeaWiFS image of our world depicts…
Movies from Hubble Show the Changing Faces of Infant Stars
Time-lapse movies made from a series of pictures taken by NASA’s Hubble Space Telescope are showing astronomers that young stars and their surroundings can change dramatically in just weeks or months. As with most children, a picture of these youngsters…
MISR and AirMISR Simultaneously Observe African Fires
These images of northeastern South Africa, near Kruger National Park,were acquired on September 7, 2000 by the Mulit-angle Imaging Spectroradiometer(MISR). The left image shows an 85-kilometerwide x 200-kilometer long area captured by MISR’s aftward- viewing45-degree camera. At lower left are…
High Resolution View of Hanford, Washington
The LANDSAT 7 satellite aquired this true-color image near the Hanford Nuclear Reservationon July 9, 2000, two weeks after a brushfire swept through 100,000 acres ofscrubland. LANDSAT’s Enhanced Thematic Mapper Plus views the Earth at muchhigher resolution than the Geostationary…
Burn Scar Near the Hanford Nuclear Reservation
This Multi-angle Imaging Spectroradiometer (MISR) image pair shows”before and after” views of the area aroundthe Hanford Nuclear Reservation near Richland, Washington. On June 27,2000, a fire in the dry sagebrush was sparked by an automobile crash.The flames were fanned by…
The Bering Sea
Over the past several years, dense clouds of phytoplankton (microscopicplants that live in water) have appeared in the Bering Sea each summer.One class of phytoplankton are particularly easy to spot from overhead.Called coccolithophores, these phytoplankton grow calcium-rich shells. These shells…
Significant Event Report for Week Ending 9/15/2000
Cassini Significant Event Report For Week Ending 09/15/00 The most recent spacecraft telemetry was acquired from the Madrid tracking station on Wednesday, 9/13. The Cassini spacecraft is in an excellent state of health and is operating normally. The speed of…
Sydney, Australia—Home of the 2000 Olympics
This image from the Multi-angle Imaging Spectroradiometer’s nadir-looking camera was acquired on July 11, 2000and shows a 200-kilometer section of the eastern Australian coast,centered around the Sydney metropolitan area. This city is host to the 2000Olympic Games, which open Friday,…
Centaur’s Bright Surface Spot Could be Crater of Fresh Ice
The unexpectedly varied surface of a wayward piece of space debris has given astronomers using NASA’s Hubble Space Telescope new insights into the characteristics of a ghostly population of asteroid-sized bodies, called Centaur objects, which orbit the Sun and dwell…
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