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Astronomy Picture of the Day
Jupiter's Rings Revealed
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zorg.ch
#105272
by
[z]Barbara Harris
@
07.01.2008 00:00
- nach oben -
Jupiter's Rings Revealed
Explanation:
Why does Jupiter have rings?
Jupiter's rings
were discovered in 1979 by the passing
Voyager 1 spacecraft
,
but their origin was a mystery.
Data
from the
Galileo spacecraft
that orbited
Jupiter
from
1995 to 2003
later confirmed that these rings were created by
meteoroid impacts
on
small nearby moons
.
As a small meteoroid strikes tiny
Adrastea
,
for example, it will bore into the moon, vaporize, and explode dirt and dust off into a
Jovian orbit
.
Pictured above
is an
eclipse of the Sun
by
Jupiter, as viewed from Galileo.
Small dust particles high in
Jupiter's atmosphere
,
as well as the
dust particles
that
compose the rings
,
can be seen by
reflected sunlight
.
Note: Meet
astronomy
bloggers
and APOD editor RN in Austin
this
Tuesday night.
Credit & Copyright