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Snow in Time for the Solstice
In mid-December, the weather in eastern North America cooperated with the calendar, and a wintry blast from the Arctic delivered freezing cold air, blustery winds, and snow just in time for the Winter Solstice on December 21—the Northern Hemisphere’s longest…
Smoke Over Great Australian Bight
Smoke from fires in southwestern Australia spread in brownish-gray streamers and swirls over the Great Australian Bight on December 22, 2004. (A bight is an indentation or scallop along a coastline that forms an open bay. In the case of…
Significant Event Report for Week Ending 12/20/2004
Significant Event Report for Week Ending 12/20/2004 December 22, 2004 (Source: Jet Propulsion Laboratory) The most recent spacecraft telemetry was acquired from the Goldstone tracking station on Monday, December 20. The Cassini spacecraft is in an excellent state of health…
Haze and Smog over India
Fog stretched over northern India on December 17, 2004, and mixed with a river of haze that flowed west and south across Bangladesh and over the Bay of Bengal. According to news reports from the area, over the weekend of…
Arctic Blast Chills Eastern United States
Winter blasted the Eastern United States one day before winter’s solstice as chilly Arctic air swept over the region. The snow that fell over the northeast, in the mid-Atlantic states and across the Appalachian Mountains in the Midwest can be…
New York’s Finger Lakes
A late fall snowstorm frosted the hills of the Finger Lakes region of central New York in early December, 2004. Shapes of the snow-covered hills are accented by the low Sun angles, and contrast with the darker, finger-shaped lakes filling…
Aerosols and Carbon Monoxide over Africa and Asia
Thanks to natural processes and human activities, the atmosphere contains more than just the oxygen and nitrogen that are the major contributors to its chemical profile. Volcanic eruptions, human-caused and naturally occurring fires, erosion, sea spray, dust storms, and the…
Aura Eyes Ozone Hole over Antarctica
Launched on a Delta II 7920 rocket on July 15, 2004, from Vandenberg Air Force Base, California, Aura is the third and final major Earth Observing System (EOS) satellite. Aura’s view of the atmosphere and its chemistry will complement the…
Retreating Terminus of the Jakobshavn Isbrae Glacier
Jakobshavn Isbrae Glacier, on the west coast of Greenland, is the fastest moving glacier in the world. In recent years, scientists have discovered, it has gotten even faster. Following the steady break up of the tongue of floating ice that…
Significant Event Report for Week Ending 12/17/2004
Cassini Significant Event Report For Week Ending 12/17/04 The most recent spacecraft telemetry was acquired from the Goldstone tracking station on Wednesday, December 15. The Cassini spacecraft is in an excellent state of health and is operating normally. As of…
Ship Wreck on Unalaska Island
On Wednesday, December 8, 2004, the Selendang Ayu ran aground near Skan Bay off Alaska’s Unalaska Island. The ship snapped in two and spilled an estimated 41,000 gallons of oil into the ocean. This image of the wrecked freighter was…
A New Twist on an Old Nebula
Looks can be deceiving, especially when it comes to celestial objects like galaxies and nebulas. These objects are so far away that astronomers cannot see their three-dimensional structure. The Helix Nebula, for example, resembles a doughnut in colorful images. Earlier…
Particle Pollution in Eastern China
Cool winter weather probably contributed to the build-up of haze over Eastern China on December 15, 2004. Much of China relies on burning coal for winter heating and energy, and that produces the black aerosols that form the haze seen…
Phytoplankton Bloom in the Gulf of Mexico
A dark green plume of phytoplankton extends away from the crow’s foot of the Mississippi River Delta in this image, acquired on December 13, 2004, by the Sea-viewing Wide Field-of-view (SeaWiFS) Sensor flying on the OrbView-2 satellite. Phytoplankton blooms usually…
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