This picture of a crescent-shaped Earth and moon -- the first of
its kind ever taken by a spacecraft -- was recorded Sept. 18,
1977, by NASA's Voyager 2 when it was 7.25 million miles (11.66
million kilometers) from Earth. Because the Earth is many times
brighter than the moon, the moon was artificially brightened so
that both bodies would show clearly in the prints. The Voyager 1
spacecraft. Voyager 1 took photos of Jupiter and two of its
satellites (Io, left, and Europa). The new study says that moons
orbiting a gas giant planet greater than 8 Jupiter masses could
help astronomers detect a rogue planet. NASA's twin Voyager
spacecraft launched in August and September 1977. Aboard each
spacecraft is a golden record, a collection of sights, sounds
and greetings from Earth. There are 117 images and greetings in
54 languages, with a variety of natural and human-made sounds
like storms, volcanoes, rocket launches, airplanes and animals.
Old and new views of the heliosheath. Red and blue spirals are
the gracefully