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An LDCM Free-flyer Announced
By Laura E. Rocchio The Office of Science and Technology Policy (OSTP) issued a memorandum signed by Dr. John Marburger, III adjusting the Landsat Data Continuity Mission strategy. NASA was instructed to acquire a single Landsat data continuity mission in…
Cassini Significant Events 12/15/05 – 12/20/05
Cassini Significant Events 12/15/05 – 12/20/05 December 23, 2005 (Source: Cassini Project) Thursday, December 15 (DOY 349): The S17 background sequence was sent to the spacecraft today. It is confirmed to be registered and active. The sequence will begin execution…
Paleoclimatology: Climate Close-up
Both tree rings and similar rings in ocean coral can tell scientists about rainfall and temperatures during a single growing season.
NASA’s Hubble Discovers New Rings and Moons Around Uranus
To the surprise of astronomers, NASA’s Hubble Space Telescope has photographed a pair of new rings around the distant planet Uranus. The largest is twice the diameter of the planet’s previously known rings. The new rings are so far away…
Antarctic Snows
Season after season, year after year, century after century, snow has fallen over Greenland and Antarctica. Compressed and preserved for hundreds of thousands of years, the snow has “fossilized” into ice sheets several miles thick. Each season’s snow is different…
NASA – Hubble Finds Additional Moons and Rings Around Uranus
The Hubble Space Telescope photographed a new pair of rings around Uranus and two new, small moons orbiting the planet. The largest ring is twice the diameter of the planet’s previously known rings; the rings are so far from the…
Winter and Summer Solstice
For the Northern Hemisphere, the Winter Solstice is the shortest day of the year. In the steady march of the year in the Arctic, the days gradually grow shorter between June and December until the far North plunges into the…
Kashmir Earthquake Forms New Lakes
Two months after a magnitude 7.6 earthquake shook Kashmir, water continued to build behind a natural dam. The dam was created when a landslide covered two rivers, which are now pooling into lakes in the valleys beyond the slide.
Paleoclimatology: The Ice Core Record
For six weeks every summer between 1989 and 1993, Alley and other scientists pushed columns of ice along the science assembly line, labeling and analyzing the snow for information about past climate.
Cabo San Lucas, Baja California Sur, Mexico
The built-up areas of Cabo (cape) San Lucas stand out as bright, angular areas inland from the main bay on the tip of the Baja California peninsula. Dry river beds descend from rugged, wooded hills to the coastline. River sands…
Red Rocks and Dinosaur Ridge
Skiers, hikers, and tourists prize Colorado’s Rocky Mountains for what they offer today: steep ski slopes, challenging climbs, and spectacular views. Geologists and paleontologists prize the region for the information it offers about the past. A few attractions that give…
2005 Atlantic Hurricane Season
The 2005 Atlantic Hurricane season broke record after record: most named storms, lowest pressure measured in the Atlantic, longest-lived December hurricane, and the list goes on. This image provides a summary of the season, with the track of each named…
Antarctic Tides
To know whether Antarctic ice could be melting or growing in response to global or regional climate change, scientists must make precise measurements of the area and thickness of the continent’s ice sheets and ice shelves. One approach for estimating…
Cassini Significant Events 12/08/05 – 12/14/05
Cassini Significant Events 12/08/05 – 12/14/05 December 16, 2005 (Source: Cassini Project) Thursday, December 8 (DOY 342): A member of the Cosmic Dust Analyzer (CDA) instrument team visiting JPL from the Max-Planck-Institut für Kernphysik in Heidelberg, Germany, gave a talk…
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