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Significant Event Report for Week Ending 3/19/1999
Cassini Significant Event Report For Week Ending 03/19/99 Spacecraft Status: The most recent spacecraft status is from the DSN tracking pass on Wednesday, 03/17, over the Goldstone tracking station. The Cassini spacecraft is in an excellent state of health and…
Hubble’s Infrared Galaxy Gallery
Astronomers have used the Hubble telescope to produce an infrared “photo essay” of spiral galaxies. By penetrating the dust clouds swirling around the centers of these galaxies, the telescope’s infrared vision is offering fresh views of star birth. These six…
Significant Event Report for Week Ending 3/12/1999
Cassini Significant Event Report For Week Ending 03/12/99 Spacecraft Status: The most recent spacecraft status is from the DSN tracking pass on Thursday, 03/11, over the Canberra tracking station. The Cassini spacecraft is in an excellent state of health and…
Hubble Views Home Galaxy of Record-Breaking Explosion
BACKGROUND INFORMATION: FOLLOWING THE TRAIL OF A GAMMA-RAY BURST Chasing down a gamma-ray burst hasn’t been easy. Though astronomers have known about these powerful cosmic explosions for more than 20 years they’ve always been elusive because they happen with no…
Significant Event Report for Week Ending 3/5/1999
Cassini Significant Event Report For Week Ending 03/05/99 Spacecraft Status: The most recent spacecraft status is from the DSN tracking pass on Thursday, 03/04, over the Canberra tracking station. The Cassini spacecraft is in an excellent state of health and…
A Mote in Hubble’s Eye
The Hubble telescope image is a typical Milky Way star field in the constellation Centaurus. Such snapshots can be used to study the evolution of stars that make up our galaxy. Most of the stars in this image lie near…
Clouds and Radiation
The study of clouds, where they occur, and their characteristics, plays a key role in the understanding of climate change. Low, thick clouds reflect solar radiation and cool the Earth’s surface. High, thin clouds transmit incoming solar radiation and also…
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