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Thursday's Mars rover update
New pictures and science results from the Spirit and Opportunity rovers on Mars are presented at this briefing from Thursday, April 1. (52min 57sec file)
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X-43A launched
NASA's experimental X-43A hypersonic research aircraft is successfully launched by a Pegasus rocket off the coast of California on March 27. (2min 40sec file)
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Mars water discovery
Scientists present evidence from the Mars rover Opportunity during this Tuesday news conference that shows the landing site was once the bottom of a salty sea. (76min 48sec file)
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Armstrong speech
Neil Armstrong accepts the Rotary National Space Trophy for career contributions in aerospace. He says President Bush's plan to return to the Moon is economically feasible and has "substantial merit and promise." (12min 10sec)
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Spots on Saturn
NASA PHOTO RELEASE
Posted: April 2, 2004


NASA/JPL/Space Science Institute
 
As Cassini closes in on Saturn, its view is growing sharper with time and now reveals new atmospheric features in the planet's southern hemisphere.

Atmospheric features, such as two small, faint dark spots, visible in the planet's southern hemisphere, will become clearer in the coming months. The spots are located at 38 degrees south latitude.

The spacecraft's narrow angle camera took several exposures on March 8, 2004, which have been combined to create this natural color image. The image contrast and colors have been slightly enhanced to aid visibility.

Moons visible in the lower half of this image are: Mimas (398 kilometers, or 247 miles across) at left, just below the rings; Dione (1,118 kilometers, or 695 miles across) at left, below Mimas; and Enceladus (499 kilometers, 310 miles across) at right. The moons had their brightness enhanced to aid visibility.

The spacecraft was then 56.4 million kilometers (35 million miles) from Saturn, or slightly more than one-third of the distance from Earth to the Sun. The image scale is approximately 338 kilometers (210 miles) per pixel. The planet is 23 percent larger in this image than it appeared in the preceding color image, taken four weeks earlier.

The Cassini-Huygens mission is a cooperative project of NASA, the European Space Agency and the Italian Space Agency. The Jet Propulsion Laboratory, a division of the California Institute of Technology in Pasadena, manages the Cassini-Huygens mission for NASA's Office of Space Science, Washington, D.C. The imaging team is based at the Space Science Institute, Boulder, Colo.

The Cassini-Huygens mission is a cooperative project of NASA, the European Space Agency and the Italian Space Agency. The Jet Propulsion Laboratory, a division of the California Institute of Technology in Pasadena, manages the Cassini-Huygens mission for NASA's Office of Space Science, Washington, D.C. The imaging team is based at the Space Science Institute, Boulder, Colorado.