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The Orionid Meteor Shower and Rare Planetary “Dance” Make This a Lucky Week for Stargazers
Here’s what the night sky has to offer this week
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Today The Messenger Spacecraft Will Crash Into Mercury
After years of exciting observations and stunning pictures of Mercury, the spacecraft has run out of fuel
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The Messenger Probe Will Soon Crash Into Mercury
As NASA’s probe runs out of propellant, it will crash into the planet’s surface at 8,750 MPH
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Mercury Was Once Bigger, Then It Shrank
As the planet cooled, it contracted and shut off the surface lava flows about 3.8 billion years ago
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