It can be stressful being a small asteroid -- not only do
they risk collision with the planets any time, they are also slowly
being eroded by the sun.
Earth’s finishing touch came with a wallop when a Mars-sized
hunk of real estate crashed into the fetal planet some 95 million years
after the birth of the solar system -- later than some astronomers
thought -- sending up debris that eventually formed moon.
NGC 1316 has a lot of skeletons in its closet -- literally.
When astronauts spend long periods of time in space, their hearts start to become spherical, a new study claims.
Last month's BICEP2 discovery of gravitational waves is
compelling evidence for the inflationary period just after the Big Bang.
But what if there's another explanation?
A massive black hole has, for the first time, revealed its
bling -- a string of star clusters arranged like a stellar String of
Pearls.
On Saturday, the sun erupted with an X-class flare, knocking
out radio communications for several minutes.
Mars: The Muddy Red Planet?
Some of Mars' lava fields may actually be massive mud flows,
indicating that they weren't created by ancient volcanic activity at
all.
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