Planetary Science
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Planetary Science
More Mars—Better than Ever
On Aug. 27, Mars and Earth were closer to each other than at any other time in the last 50,000 years. Even as Earth and Mars slowly draw apart, the Red Planet remains a dazzling sight in the night sky. There’s still time to take in the view. Go to: http://science.nasa.gov/headlines/y2003/08sep_goaway.htm?list110076
By Science News -
Planetary Science
A phoenix on Mars
If all goes according to plan, a spacecraft will land on the north polar region of Mars in 2008 and scoop up samples of the icy terrain.
By Ron Cowen -
Planetary Science
Cozying up to Mars
The Hubble Space Telescope photographed Mars on Aug. 27 when the planet came closer to Earth than it had in nearly 60,000 years, enabling the telescope to take the sharpest global image of Mars ever taken from Earth's vicinity.
By Ron Cowen -
Planetary Science
A warmer, fluffier Pluto
Although Pluto has been receding from the sun for more than a decade, planetary scientists have now found that between 1988 and 2002, Pluto’s atmosphere has nearly doubled in size and its temperature has increased by about 1 degree C.
By Ron Cowen -
Planetary Science
Mars Encounter
On Aug. 27, Mars and Earth will be closer to each other than at any other time in the last 50,000 years. Amateur astronomers with small backyard telescopes can already view features such as dust clouds, the southern polar ice cap (because the southern cap is tipped toward Earth), and volcanic terrain. This NASA Web […]
By Science News -
Planetary Science
Slowdown on Saturn? Windy doings on the ringed planet
The winds in Saturn’s upper atmosphere are some of the swiftest in the solar system, but recent findings suggest there’s been a dramatic slowdown.
By Ron Cowen -
Planetary Science
New view of Earth
On May 8, 2003, scientists pointed a camera on board the Mars Global Surveyor probe back at Earth and captured the first image from another planet that shows our world as more than a point of light.
By Sid Perkins -
Planetary Science
Springtime on Neptune: Images hint at seasonal changes on distant planet
Belying its location in the deep freeze of the outer solar system, Neptune may undergo a change of seasons.
By Ron Cowen -
Planetary Science
Mars Photo of the Day
With a stock of more than 120,000 images, the camera team for NASA’s Mars Global Surveyor mission has started daily postings of pictures to showcase the diversity of Martian landscapes. Click on the photo to obtain additional information about what the image reveals. Go to: http://www.msss.com/
By Science News -
Planetary Science
Roving on the Red Planet
NASA last month selected the landing sites for rovers scheduled to begin exploring the Martian surface next January.
By Ron Cowen -
Planetary Science
Spacecraft reveal Mars’ molten heart
Tracking the precise motion of a spacecraft orbiting Mars, planetary scientists have deduced that the core of the Red Planet is at least partially liquid.
By Ron Cowen -
Planetary Science
Red Planet
The imaging team of NASA’s Mars Global Surveyor spacecraft has doubled the number of Mars pictures available to the public with the release of a new archive of photos. The archive contains all the pictures that were taken by Mars Global Surveyor from September 1999 through February 2000 and includes the images that were taken […]
By Science News