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Ross Sea Ice on the Move
The Moderate Resolution Imaging Spectroradiometer ( MODIS ) captured the movement in this pair of photo-like images of sea ice in the Ross Sea, taken on December 12 and December 13, 2007, within the span of nine hours. The ice…
Oil Spill off South Korea
Crude oil from the wrecked 146,000-ton tanker, Hebei Spirit, is seen polluting the sea off South Korea in this Envisat image. In this image, the dark oil covers the coastal waters of the Yellow Sea southwest of Seoul, South Korea.…
Fires on Kangaroo Island
In December 2007, as the Australian summer began, wildfires threatened both Kangaroo Island’s wildlife and many of its human inhabitants.
Cassini Significant Events 12/05/07 – 12/11/07
Cassini Significant Events 12/05/07 – 12/11/07 December 13, 2007 (Source: Cassini Project) The most recent spacecraft telemetry was acquired on Tuesday, Dec. 11, from the Madrid tracking complex. The Cassini spacecraft is in an excellent state of health and all…
Nyamuragira Lava Flows
In late November 2006, Nyamuragira Volcano in the Democratic Republic of Congo erupted, and local scientists feared the lava flows would impact nearby towns. Between the volcano’s activity and the armed civil and interstate conflict that has plagued the region…
Cassini Captures Best View Yet of Saturn’s Ring Currents
Cassini Captures Best View Yet of Saturn’s Ring Currents December 12, 2007 (Source: The Johns Hopkins University Applied Physics Laboratory) Artist Concept of Particle Population in Saturn’s Magnetosphere Scientists have gotten their best “look” ever at the invisible ring of…
Planetary Scientists Close in on Saturn’s Elusive Rotation
Planetary Scientists Close in on Saturn’s Elusive Rotation December 12, 2007 (Source: ESA) Saturn’s Radio Rotation Somewhere deep below Saturn’s cloud tops, the planet rotates at a constant speed. Determining this interior period of rotation has proven extremely complicated. Now,…
Summit Close Ups of Two African Volcanoes
This pair of high-resolution images from the commercial Ikonos satellite shows the craters of Nyamuragira and Nyiragongo, both of which are located at the far eastern edge of Democratic Republic of Congo, north of Lake Kivu.
Hubble Finds that Extrasolar Planet Has a Hazy Sunset
A team of astronomers, led by Frederic Pont from the Geneva University Observatory in Switzerland, has detected for the first time strong evidence of hazes in the atmosphere of a planet orbiting a distant star. The new Hubble Space Telescope…
Saturn’s Rings May Be Old Timers
New observations by NASA’s Cassini spacecraft indicate the rings of Saturn, once thought to have formed during the age of the dinosaurs, instead may have been created roughly 4.5 billion years ago, when the solar system was still under construction.
NASA Satellite Reveals Unprecedented View of Mysterious ‘Night-Shining’ Clouds
Cynthia O’Carroll / Bill SteigerwaldNASA Goddard Space Flight Center, Greenbelt, Md.301 286 4647 / 5017Release No. 07-75 GREENBELT, Md. – NASA’s AIM satellite has provided the first global-scale, full-season view of iridescent polar clouds that form 50 miles above Earth’s…
Voyager 2 Proves Solar System is Squashed
SAN FRANCISCO, Calif. – NASA’s Voyager 2 spacecraft has followed its twin, Voyager 1, into the solar system’s final frontier, a vast region at the edge of our solar system where the solar wind runs up against the thin gas…
Nyamuragira and Nyiragongo
In central Africa, in the Democratic Republic of the Congo, sit two volcanoes: Nyiragongo and Nyamuragira. Besides their proximity to Lake Kivu in the south, these volcanoes share the capacity for destruction, each having produced its share of catastrophic eruptions…
Outreach in Greensburg, Kansas
Todd J. Barber, Cassini lead propulsion engineer In a bit of a twist, I’ve decided to devote this column to a recent outreach activity in my home state of Kansas. I first encountered the thriving community of Greensburg, Kansas during…
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