Look Up! Celebrate International Dark-Sky Week This Weekend
The Milky Way by Mike Taylor
April 18th, 2015
A Maine photographer is joining forces with dark-sky advocates to say that people must be careful about where they direct their lights.
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Spring Skywatching: Constellation Leo Comes in Like a Lion
Leo and Jupiter in April 2015
April 17th, 2015
One of the surest signs of spring for stargazers is seeing the constellation Leo high in the evening sky. Here's how to spot Leo, and what to look for within it.
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NASA Probe Sees North Pole of Dwarf Planet Ceres (Video)
Ceres' North Pole, Seen by Dawn, April 2015
April 17th, 2015
Ceres' cratered north pole blazes through the darkness in new images captured by Dawn on April 10. The photos are the highest-resolution views of the world that Dawn has gotten since entering orbit on March 6, NASA officials said.
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Mars Rover Curiosity Runs 10K on Red Planet
Curiosity Rover's View at 10 Kilometers of Driving Distance
April 17th, 2015
A 208-foot-long (65 meters) drive on Thursday (April 16) pushed the car-size Curiosity rover's odometer past 10 kilometers (6.21 miles), NASA officials said.
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Virgo Rises: Spot Second-Largest Constellation This Week
59 Virginis in the Constellation of Virgo
April 17th, 2015
Right now is a good time to look for Virgo, since the bright moon is not lighting up the evening sky. (Virgo may be very large, but most of her stars are rather dim.)
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Meteorites Help Date the Violent Birth of Earth's Moon
Moon Formation Illustration
April 17th, 2015
The cataclysmic collision between Earth and a Mars-size object that forged the moon occurred about 4.47 billion years ago, a study of meteorites with ancient fragments from that cosmic impact reveal.
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