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comet

Where is the Comet Hale-Bopp now?

Remember Comet Hale-Bopp? Twenty-five years ago today – on April 1, 1997 – Comet Hale-Bopp reached its perihelion or closest point to the sun. It was slightly less than Earth’s distance from the sun at 0.9 astronomical units (Earth-sun…

NEOWISE Mission Spies Two Comets

NASA's NEOWISE mission has recently discovered some celestial objects traveling through our neighborhood, including one on the blurry line between asteroid and comet. Another—definitely a comet—might be seen with binoculars through next…

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