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Where's All the Antimatter?


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- Where's All the Antimatter?

- Sun's Heat Pushes asteroids Out of Their Orbit

- Stardust Enters Safe Mode

- Orbital Sciences Signs Contract for TVSat Deal

WHERE'S ALL THE ANTIMATTER?

Experiments at the Fermi Particle Accelerator, located near

Chicago, have begun to provide clues as to why the universe

is mostly made up of matter, instead of anti-matter. If the

numbers had been equal, the universe would have annihilated

itself in a flash of energy.

http://abcnews.go.com/sections/science/DailyNews/antimatter990322.html

SUN'S HEAT PUSHES asteroids OUT OF THEIR ORBIT

Because of their irregular shapes, asteroids are warmed

unevenly by the Sun. This force, called the 'Yarkovsky

effect' is thought to slowly push asteroids out of their

regular main-belt orbit. Astronomers believe that some of

these strays are picked up by Mars' gravity and hurled

into Earth-crossing orbits.

http://www.astronomynow.com/breaking/990323force/index.html

STARDUST ENTERS SAFE MODE

During testing and transmission of its first few images from

space, Stardust's main computer shut down non-critical systems,

and entered safe mode. The spacecraft resumed normal operations

later in the day when NASA engineers re-established contact.

http://www.astronomynow.com/breaking/990323stardust/index.html

http://cnn.com/TECH/space/9903/23/stardust.update/index.html

ORBITAL SCIENCES SIGNS CONTRACT FOR TVSAT DEAL

B-SAT, Japan's Broadcasting satellite System Corporation recently

awarded the contract to Orbital Sciences to build and launch

two GEO orbit satellites.

http://www.spacer.com/spacecast/news/bsat2-99a.html



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