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Hubble's Millionth Observation

Posted by Bill Nye

05-07-2011 17:15 CDT

Topics: mission status, Bill Nye, extrasolar planets, astronomy and astrophysics spacecraft, Hubble Space Telescope

The Hubble Space Telescope has recorded its millionth observation. Yesterday, July 4, the spacecraft's Wide Field Camera 3 recorded some spectral data, some observations of light, from a fantastically distant star that clearly has a large planet orbiting it very fast -- or perhaps fast only by an Earthling's standards. The planet (also known as Kepler 2b) is designated HAT-P-7b; we need that many letters and digits because we have discovered so many planets, or "exoplanets" out there.

When compared to the shear number of nearby stars, a mere million is a number hardly worth noticing. But, when it comes to comparing a million observations of exoplanets that this single instrument has made to the number viewed by the greatest cultures before our current age, it's infinite. No generation heretofore could take a single such datum. No matter what they may have suspected or hoped, our ancestors did not have proof of a single other world beyond our solar system, let alone the ability to gather a million facts to support the idea that other worlds exist.

This telescope's images are extraordinary. They have changed the world. Pictures and images akin to this latest snapshot of a star's electromagnetic radiation have become part of our culture, part of how we define ourselves. The images are a gift we give to ourselves. To some, adventure like that afforded us by the Hubble telescope is a luxury, something a society -- even a wealthy one -- can hardly afford. To us at the Planetary Society, however, we like to point out that there is something inherently good and worthy of a species that allocates the time, effort, and energy -- the intellect and treasure -- to explore the universe it abides in.

As our knowledge of the space around us increases, I'm confident that our knowledge of nearby worlds will be enhanced. And with that knowledge, we are certain to learn more about Earth and how we all came to be here.

Congratulations, Hubble. You've brought one more feature of one more world to Earth. Here's to many more.

Hubble's Millionth Observation

NASA, ESA, and G. Bacon (STScI)

Hubble's Millionth Observation
NASA's Hubble Space Telescope reached its millionth science observation on July 4, 2011, during a search for water in the atmosphere of an exoplanet (a planet outside our solar system) 1,000 light-years away.

This is an artist's concept of that planet, HAT-P-7b. It is a "hot Jupiter" class planet orbiting a star that is much hotter than our sun. Hubble Space Telescope's millionth science observation was trained on this planet to look for the presence of water vapor and to study the planet's atmosphere.

 
See other posts from July 2011

 

Or read more blog entries about: mission status, Bill Nye, extrasolar planets, astronomy and astrophysics spacecraft, Hubble Space Telescope

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