Hubble's Cosmic Comeback: NASA Releases New Images

Photo: Hubbles Cosmic Comeback: NASA Releases New Images: The Peoples Telescope Comes Back Online After Major UpgradesNASA, ESA, and the Hubble Servicing Mission 4 (SM4) Early Release Observations (ERO) Team

NASA's "comeback kid" has done it again.

After astronauts of the space shuttle Atlantis made a risky servicing mission in May, the Hubble Space Telescope is back and better than ever, once again capturing astonishing images of the cosmos and sending them back to Earth.

Today, NASA released images from the newly refurbished telescope, confirming that Atlantis' mission was a success.

VIDEO: NASA reveals images from newly refurbished telescope.Play

Click here for new images from Hubble.

It had been seven years since astronauts had serviced Hubble. It was designed for routine upgrades, but this year's mission had been delayed -- and, for a couple of years, canceled -- in the wake of the 2003 Columbia disaster. By the time Atlantis arrived, Hubble was on its last legs.

Two instruments were completely out of service, and several components, including batteries and gyroscopes, needed replacing.

"To say Hubble was limping is probably an understatement," said Ed Weiler, associate administrator for science at NASA. "It was limping. It really needed this mission."

NASA's Risky Mission Pays Off

In a high-speed, high-risk dance hundreds of miles above Earth, astronauts replaced sensors, removed blown circuit boards and made many repairs to bring several instruments back to life.

And it appears the gamble was worth it.

"You know, the proof is really in the pudding when we get to see those pictures because that's why we went, to expand Hubble's discovery potential," said astronaut Scott Altman, commander of Atlantis' mission. "And to see the discoveries come down as a direct result of the work that everyone did to make that possible, I think, is extremely rewarding."

The new repairs could give the telescope up to 10 more years of life, Weiler said.

"We think of it as a new beginning. It's not a 19-year-old telescope," he said. "It's a new telescope again. It's like taking your old car into the shop and having new tires, new engine, and a new paint job."

And, Altman said, the servicing mission expanded the Hubble's power.

"It has just extended its reach so it can take more observations, spend less time pointing at something to get the same amount of information, and just really dramatically expanded the amount of scientific data and incredible pictures that can come down to the ground for our research and enjoyment," he said.

But there's more to this groundbreaking telescope than you might think.

In honor of it's latest comeback, here are 10 things you probably don't know yet about Hubble.

1. NASA's "Comeback Kid" started out as a failure.

Now, it's an international sensation, widely known as the "people's telescope." But that wasn't always the case.

"It is now viewed as this unqualified success that has transformed our knowledge of the universe," said Roger Launius, senior curator for the Smithsonian's National Air and Space Museum in Washington, D.C. "I've heard it compared to, in terms of its impacts, the same level of change as when Galileo first turned his homemade telescope on Jupiter in 1609."

But "the telescope began life being viewed as a flop," he said.

A measuring error in the grinding of the mirror prevented the telescope from focusing light properly. As a result, soon after its launch in April 1990, the photos sent back to Earth were fuzzy disappointments.

The mirror was ever so slightly the wrong shape, which caused light that bounced off the center of the mirror to focus in a different place than the light bouncing off the edge. The flaw was minuscule -- 1/50th the thickness of a sheet of paper -- but it made a significant difference.

"[There were] NASA scientists that stood up and said, "It's a total loss," Launius said.

Members of Congress, including Sen. Barbara Mikulski, D-Md., who was, and still is, a big NASA supporter, were livid that this had taken place.

"This was such a failure, to the tune of $3 billion," Launius said.

Thankfully, the telescope's first servicing mission in December 1993 was a success. After spending 11 months training for what is considered to be one of the most complex missions, astronauts installed a series of small mirrors to fix the flaw.

"They had figured out some ways to work around that problem," Launius said. "But it took a while to generate some of the images that we've seen."

In Hollywood, Hubble's a Star, Too

2. Like us, Hubble can't look directly at the sun.

Hubble has photographed every planet in the solar system, with one exception: Mercury.

The solar system's innermost planet is too close to the sun for Hubble to observe. The sun's bright light would permanently damage its optics and electronics.

Mercury's angular separation from the sun is always less than 28 degrees, which means that it's never out of the sun's glare and, therefore, off limits for the Hubble.

3. It's a pop-culture icon.

Hubble and its images have also had their share of cameo appearances in Hollywood flicks and TV shows.

When "Naked Gun 2 1/2" came out in 1991, Hubble was still a national laughingstock.

In the movie, it was pictured in the Blue Moon Cafe on a wall of failures, smack in the middle of the Titanic and the Hindenberg.

Imagery from Hubble has also been spotted in the movies "Happy Feet" and "Contact."

For the album cover of its 2000 release "Binaura," Pearl Jam used an image of Hubble's "Hourglass Nebula."

The 'Pioneer of the Distant Stars'

4. Hubble's namesake almost chose the law over astronomy.






Hubble Images as Works of Art





6. Hubble's masterpieces are museum pieces.



More than 20 images were on display at the museum.




How Do Scientists Score Time with Hubble?

8. Scientists have to apply for QT with the HST.





It looks large when we see the school-bus sized telescope next to the floating astronauts. But NASA scientists say it's actually not that big for a telescope.

Hubble's primary mirror is about 8 feet in diameter, much smaller than the 34-foot mirror in the world's largest telescope, the Great Canary Telescope on the island of La Palma, part of the Canary Islands. The mirror for the Keck telescope in Mauna Kea, Hawaii, is about 25 feet.

"It's very average," said Malcolm Niedner, the Hubble deputy senior project scientist. "I'd love to have it in my backyard but it's not a large telescope."

But Hubble makes up for its size with incredible optics and design. Most importantly, Niedner said, its placement outside Earth's atmosphere enables it to see greater distances with greater clarity than any other telescope.

Hubble's Golden Years

10. Hubble is preparing to hand the reins over to its successor.

The massive Hubble makeover is expected to give the space telescope about five more years. If all goes according to plan, it should retire just as astronauts launch the heir to NASA's space telescope throne: The James Webb Space Telescope.

Slated for launch in 2014, the replacement telescope will have a mirror 21.3 feet in diameter and a sunshield the size of a tennis court.

As opposed to Hubble's humble 350 mile orbit, the Webb telescope will orbit 1 million miles from Earth, which means that the days of risky servicing missions, for better or for worse, will end with Hubble.

But the telescope, named for James E. Webb, NASA's second administrator, will be able to explore the most distant galaxies and give scientists even more information about the earliest moments of the universe.