This morning, 350 miles above the Atlantic Ocean, a tender goodbye took place. Astronauts aboard the Atlantisspace shuttle released the Hubble Space Telescope to conclude the telescope's fifth and final repair mission. The better-than-new observatory is expected to send back breathtaking images and mind-rattling information about the universe for another five to seven years. As the NASA officials in charge of the telescope put it:
"Hubble is now ready to resume its role as humankind's most powerful eyes on the universe" [AP].
During this mission,
Atlantis astronauts spent more than 36 hours over five marathon spacewalks to make upgrades and outfit Hubble with new instruments. These included a panchromatic wide-field camera that should be able to see objects formed just 500 million years after the universe's birth in the big bang explosion some 13.7 billion years ago [Reuters].
But there were occasional glitches: When a bolt wouldn't come free on ...