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One of Jupiter’s moons.
1610 Jan 7, The astronomer Galileo
Galilei sighted four of Jupiter's moons. Galileo discovered the 1st 3
Jupiter satellites, Io, Europa & Ganymede. He discovered mountains
and valleys on the moon, that Jupiter has a moon of its own, and that
the sun has spots which change. Galileo discovered multiple moons
around Jupiter. He also observed Mars.
(V.D.-H.K.p.200)(SFC, 11/5/96, p.A4)(SFC, 11/29/96,
p.A16)(AP, 1/7/98)(MC, 1/7/02)
1996 Jun 27, New Galileo pictures
from 96,000 miles gave hints that fractured crusty icy slabs, 50-60
miles thick, might be sliding on a layer of slush or water.
(SFC, 8/14/96, p.A3)
1997 Apr 9, New images of
Jupiter’s moon Europa revealed a surface of massive icebergs floating
on an ocean more than 50 miles deep.
(SFC, 4/10/97, p.A1)
1997 Dec 16, The Galileo
spacecraft flew to within 124 miles of the surface and recorded images
of Europa. Volcanic ice flows implicated a vast ocean below the
surface. Metallic cores inside Io, Ganymede and Europa and the lack of
a similar core inside Callisto was also indicated.
1998 Dec 8, It was reported that a
mysterious fault stretched at least 500 miles across the ice surface of
(SFC, 12/8/98, p.A5)
2000 Jan 3, The Galileo space
probe recorded Europa's magnetic field during a flyby and found that
the magnetic north pole reversed about every 5 1/2 hours. An
underground conductive liquid was suspected to cause the flip flop.
(SFC, 1/11/00, p.A4)
2002 May 25, It was reported that
the ice of Europa is at least 12 miles thick.
(SFC, 5/25/02, p.A16)
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