A massive asteroid provides key data.
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With asteroid Apophis no longer posing much of a threat to Earth, astronomers are poring over data captured as the monster space rock whizzed passed Earth late Wednesday.
With the latest observations confirming the asteroid will miss Earth by a mere 20,000 miles in 2029 — and by a similar margin seven years later in 2036 — astronomers say they will now focus on crafting a better understanding of the cosmic behemoths. using the Herschel Space Observatory made new observations of asteroid Apophis as it approached Earth this past weekend. The team, which collected the data that shows the asteroid to be both bigger than first estimated and less reflective, said