|| Home. | Universe Galaxies And Stars Archives. | |
|| Universe | Big Bang | Galaxies | Stars | Solar System | Planets | Hubble Telescope | NASA | Search Engine ||
Parts of Comet are Missing.
May 17, 2001
Parts of Comet are Missing
Earth Nears Closest Approach to Mars
Sixth X-40A Test is Successful
PARTS OF Comet ARE MISSING
After working through the photographs and data uncovered about Comet Linear gathered by the Hubble Space Telescope, Astronomers have learned a tremendous amount about the composition and destruction of comets. But there's also a bit of a mystery here, as the scientists can't account for billions of kilograms of missing mass that disappeared as Comet Linear broke up last July. One possiblity is that when it broke up, the Comet exploded into fragments too small to be seen by telescope - this idea lends credibility to the theory that some comets are nothing more than loosely gathered piles of icy rubble.
EARTH NEARS CLOSEST APPROACH TO MARS
Astronomers are in for a treat next month as the Earth nears its closest point with the planet Mars; the nearest the two planets will have been for 12 years. On June 21, the two planets will only be 68 million km apart, and the Red planet will show tremendous detail to Earth-based observers - even small-telescope owners will be able to see details on the surface, including clouds, surface features and ice caps. To see Mars, look before sunrise approximately 30 degrees above the Southern horizon.
For More Information About Mars Visit Our Topics Section
SIXTH X-40A TEST IS SUCCESSFUL
The X-40A prototype was successfully tested for the sixth time yesterday when it was dropped from a helicopter at an altitude of over 4,500 metres and then maneuvered back to land at Edwards Air Force Base. The X-40A is an 85-percent scale model of the X-37; a prototype vehicle designed for the US Air Force to test future space vehicle technologies.
Universe - Galaxies and Stars: Links and Contacts
|| GNU License | Contact | Copyright | WebMaster | Terms | Disclaimer | Top Of Page. ||