How to see a newly-discovered green comet this week, before it vanishes for 400 years
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A newly-discovered green comet is zipping by Earth and is now visible for the first time since before Galileo invented his telescope.
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A newly-discovered green comet is zipping by Earth and is now visible for the first time since before Galileo invented his telescope.
Full ArticleThe U.S. antitrust case against Google begins today. Kim Jong Un is expected to meet with Vladimir Putin in Russia. See green comet..