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Terra Launch Animation
NASA will launch and deploy the “flagship” to the Earth Observing System series of satellites, part of a precedent setting program designed toprovide daily information on the health of the planet. The Terra spacecraft, formerly known as “EOS AM-1,” is…
Significant Event Report for Week Ending 11/25/1999
Cassini Significant Event Report For Week Ending 11/25/99 The most recent spacecraft telemetry data was acquired from the Madrid tracking station on Monday, 11/22. The Cassini spacecraft is in an excellent state of health and is operating normally. The speed…
A Puzzle of Galactic Evolution is Solved – Massive Gas Clouds Seed the Galaxy with the Stuff of Stars
Massive clouds of gas, discovered long ago but only recently identified as being within the margins of the Milky Way, play a key role in the ability of the galaxy to churn out new stars by raining gas onto the…
Future High-Resolution Topography
Early in the year 2000, the Space Shuttle Endevour will blast into spaceto map the Earth’s surface inunprecedented detail. The Shuttle Radar Topography Mission will map 80% ofthe Earth’s terrain at 30 meterresolution. Currently, high resolution topography data is only…
Silvus Borealis
A multi-scale project leads to an understanding of the carbon flux between terrestrial ecosystems and the lower atmosphere.
Multiple Galaxy Collisions Surprise Hubble Astronomers
Hubble astronomers conducting research on a class of galaxies called ultra-luminous infrared galaxies (ULIRG) have discovered that over two dozen of these are found within “nests” of galaxies, apparently engaged in multiple collisions that lead to fiery pile-ups of three,…
Significant Event Report for Week Ending 11/19/1999
Cassini Significant Event Report For Week Ending 11/19/99 The most recent spacecraft telemetry data was acquired from the Canberratracking station on Tuesday, 11/16. The Cassini spacecraft is in anexcellent state of health and is operating normally. The speed of the…
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Descobertas, missões espaciais, pesquisas e avanços tecnológicos da agência espacial americana.