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Significant Event Report for Week Ending 10/29/1999
Cassini Significant Event Report For Week Ending 10/29/99 Spacecraft Status: The most recent spacecraft status is from the DSN tracking pass on Tuesday,10/26, over the Canberra tracking station. The Cassini spacecraft is in anexcellent state of health and is operating…
Very Long Baseline Array Reveals Formation Region of Giant Cosmic Jet Near a Black Hole
Space Telescope Science Institute astronomers and their co-investigators have gained their first glimpse of the mysterious region near a black hole at the heart of a distant galaxy, where a powerful stream of subatomic particles spewing outward at nearly the…
Hubble Identifies Source of Ultraviolet Light in an Old Galaxy
The Hubble telescope’s sharp vision has clearly seen – for the first time – hot blue stars deep inside an elliptical galaxy. Hubble confirms that the ultraviolet light emanating from this galaxy comes from a population of extremely hot, helium-burning…
Global Fires, September 1999
This is the first map of the equatorial distribution of fires derived from satellite data since December 1993. It shows man-made and natural fires for September, 1999. Dark red indicates low numbers of fires (1-5 per month), orange and white…
Global Fire Monitoring
Forest fires, brush fires, and slash and burn agriculture—types of biomass burning—are a significant force for environmental change.
Significant Event Report for Week Ending 10/22/1999
Cassini Significant Event Report For Week Ending 10/22/99 Spacecraft Status: The most recent spacecraft status is from the DSN tracking pass onWednesday, 10/20, over the Canberra tracking station. The Cassinispacecraft is in an excellent state of health and is operating…
The “Rotten Egg” Nebula: A Planetary Nebula in the Making
This oddly shaped object is an aging, Sun-like star near the end of its life. The Hubble telescope’s infrared camera, called the Near Infrared Camera and Multi-Object Spectrometer, captured a fleeting phase in the death march of this star. In…
Fish in the Trees
An international collaboration may lead to accurate assessments of water storage on Amazonian floodplains during rainy seasons.
Fires in Borneo
Smoke from forest fires can prevent clouds from forming raindrops. Sootparticles in the smoke cause many small water droplets to condense, preventingthe buildup of large droplets. Small droplets remain suspended in theatmosphere instead of falling as rain.The image above, taken…
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