
Finding Double Stars
Astronomers say that this
July planetary orbits have
lined up so that people on
Earth can see a rare
convergence of Venus and
Saturn in the night sky.
Just after sunset they will
appear in the west, looking
... > full story

Einstein Rings
Images from the Hubble
telescope reveal eight new
Einstein rings, joining only
three others previously
known. Einstein rings are
pairs of galaxies, with a
foreground galaxy bending
the light of a background
... > full story

A Blue Moon Month
A blue moon is when two full
moons occur within the same
month, as dictated by the
satellite's 29.5 day orbit
around the earth. A full
moon is that point in the
moon's orbit when it's on
the back side of the earth,
... > full story

Back to the Moon
The Moon's surface is
covered with oxygen-rich
soils, Hubble Space
Telescope images show.
Planetary scientists believe
the oxygen could be tapped
to power rockets and be a
source of oxygen to breathe
... > full story
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Total Lunar Eclipse Casts Eerie Red And Orange Glow
A total lunar eclipse was observed during the summer of 2007. A total lunar eclipse occurs when a full moon passes through the earth's shadow during its orbit. When the sun, Earth and moon are ... > more
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