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Majuro and Arno Atolls
In the Republic of the Marshall Islands, in the western Pacific Ocean, lie two atolls—coral islands encircling lagoons. NASA’s Landsat 7 satellite acquired this image of Majuro and Arno Atolls on May 16, 2000. Both atolls appear as meandering lines…
Fall Color Around Lake Superior
The forests of northern Michigan and southern Ontario flamed orange as the first trees of the season—maples—began to display their brilliant red and orange fall colors. Veins of green run through the sea of orange where the deciduous forest gives…
Hundreds of Fires in Bolivia
Hundreds, possibly thousands of fires were burning in South America when the Aqua satellite passed overhead on September 25, 2007
Record Arctic Sea Ice Loss in 2007
June through September 2007 brought record sea ice melt in the Arctic, well below the previous record low, set in September 2005. According to the National Snow and Ice Data Center (NSIDC), on September 16, 2007, sea ice extent dropped…
Dawn Spacecraft Successfully Launched
CAPE CANAVERAL, Fla. – NASA’s Dawn spacecraft began its 3 billion kilometer (1.7 billion mile) journey through the inner solar system to study a pair of asteroids Thursday at 7:34 a.m. Eastern Time (4:34 a.m. Pacific Time).
NASA’S Dawn Spacecraft Enroute to Shed Light on Asteroid Belt
NASA’s Dawn spacecraft is on its way to study a pair of asteroids after lifting off Thursday from the Cape Canaveral Air Force Station.
Cassini Significant Events 09/19/07 – 09/25/07
The most recent spacecraft telemetry was acquired on Tuesday, Sept. 25, from the Madrid tracking complex. The Cassini spacecraft is in an excellent state of health and all subsystems are operating normally. Information on the present position and speed of…
Cassini Significant Events 09/19/07 – 09/25/07
The most recent spacecraft telemetry was acquired on Tuesday, Sept. 25, from the Madrid tracking complex. The Cassini spacecraft is in an excellent state of health and all subsystems are operating normally. Information on the present position and speed of…
Cassini Significant Events 09/19/07 – 09/25/07
Cassini Significant Events 09/19/07 – 09/25/07 September 27, 2007 (Source: Cassini Project) The most recent spacecraft telemetry was acquired on Tuesday, Sept. 25, from the Madrid tracking complex. The Cassini spacecraft is in an excellent state of health and all…
Dr. Bonnie Buratti Looks Back at Iapetus
Todd J. Barber, Cassini lead propulsion engineer Continuing the format of my prior column, I decided to interview Bonnie Buratti, a key member of the Cassini science team and an expert on small icy solar system bodies. We had a…
Can Earth’s Plants Keep up with Us?
Studying human appropriation of net primary productivity helps predict the planet’s ability to sustain the human population.
Seasonal Rain Floods Africa’s Sahel
Africa’s Sahel region, a margin of semi-arid grassland around the southern limit of the Sahara Desert, gets most of its rainfall between June and September. In 2007, the final months of the rainy season brought unusually heavy rainfall to much…
Safing
Todd J. Barber, Cassini lead propulsion engineer It’s been nearly two weeks since a frenetic 9/11/2007, a day punctuated by the first Cassini spacecraft safing in over four years, a lightning-quick recovery of Iapetus science data, and the first surreal…
Melting Ice in Antarctica
In places, Antarctica’s rugged, coastal mountain ranges just barely break the surface of a sea of snow and ice thousands of feet thick. On its high, inland plateau sits a sheet of ice more than a mile thick. Massive ice…
NASA Spacecraft Is a ‘Go’ for Asteroid Belt
CAPE CANAVERAL, Fla. — Launch and flight teams are in final preparations for the planned Sept. 27 liftoff from Pad 17-B at Cape Canaveral Air Force Station, Fla., of NASA’s Dawn mission.
International Space Station from the Space Shuttle
An astronaut shot this photograph while looking back across the length of Endeavour .
Weed Infestation in Caddo Lake
Straddling the border between northeastern Texas and northwestern Louisiana lies a 32-kilometer- (20-mile-) long body of water known as Caddo Lake. Long brimming with fisheries and waterfowl habitats, the lake played host to something new in 2007: an invasive weed.…
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