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Black Holes Light Up
Not even light can escape a
black hole's grip, but gas
falling into a black hole
can heat up and become an
intense source of X-rays, at
temperatures up to 1,000
times hotter than the sun.
Astronomers use the Chandra
... > full story
Spotting Sun Spots
Sun spots are cooler regions
on the sun's surface held up
by magnetic fields, and they
can have dramatic effects on
space weather, disrupting
satellite communications.
Astrophysicists track them
with sophisticated tools,
... > full story
First Stars In The Universe
Astronomers removed light
from closer and better known
galaxies and stars from
pictures taken with the
Spitzer Space Telescope. The
remaining images are
believed to be the first
... > full story
Moon Rover
Engineers and robiticists
created a robot to explore
the moon. Running on the
same amount of power as a
100-watt light bulb the
rover uses heat from
radiation to support its
sensors, movement, and
... > full story
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Space Physicists and Atmospheric Scientists Can Now Predict Disruptions Caused by the Sun's Coronal Mass Ejections
Solar activity can wreak havoc in communications systems -- particularly during coronal mass ejections, when plumes of electrically charged particles hit earth's atmosphere. Scientists can now track ... > more
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