A Celestial Traveler Closes on Mars



By MARC KAUFMAN

On its first visit to the inner solar system, Comet Siding Spring will pass within 82,000 miles of the planet, offering a first-time view of so close an encounter.

Published: August 5, 2014 at 12:00AM

from NYT Science Read the full article here: https://ift.tt/1omuF2S
via IFTTT

Leave a comment