The European Space Agency (ESA) Philae probe successfully landed
on the Comet 67P, a first in space exploration.
The Rosetta satellite and its probe payload arrived at the Comet
67P/Churyumov-Gerasimenko Aug. 6 after 10 years, five months, and
four days in space. Rosetta traveled 6.4 billion kilometers (3.98
billion miles) on its journey and orbited the sun five times.
10-year mission. 4 billion miles. Landing on a comet traveling 40,000 miles per hour. Science.