Just over a year and a half ago, the Kepler space telescope suffered a failure of the second of its four stabilizing reaction wheels, prompting a 'shutdown' of its data–gathering mission because, if nothing else, the sun itself would continuously put pressure on the telescope to rotate. However, some engineers figured out that if they rotate Kepler to near-parallel to the sun, the solar pressure is evenly distributed across its surface and acts as kind of a third wheel.
Now, a team of scientists have announced Kepler is still helping us make discoveries. From the Harvard CfA:
Due to Kepler's reduced pointing capabilities, extracting useful data requires sophisticated computer analysis. Vanderburg and his colleagues developed specialized software to correct for spacecraft movements, achieving about half the photometric precision of the original Kepler mission.
Kepler's new life began with a 9-day test in February 2014. When Vanderburg and his colleagues analyzed that data, they found that Kepler had detected a single planetary transit.
The newfound planet, HIP 116454b, has a diameter of 20,000 miles, two and a half times the size of Earth. HARPS-N showed that it weighs almost 12 times as much as Earth. This makes HIP 116454b a super-Earth, a class of planets that doesn't exist in our solar system. The average density suggests that this planet is either a water world (composed of about three-fourths water and one-fourth rock) or a mini-Neptune with an extended, gaseous atmosphere.
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NASA Retires Kepler Space Telescope
After nine years in deep space collecting data that indicate our sky to be filled with billions of hidden planets - more planets even than stars - NASA's Kepler space telescope has run out of fuel needed for further science operations. NASA has decided to retire the spacecraft within its current, safe orbit, away from Earth. Kepler leaves a legacy of more than 2,600 planet discoveries from outside our solar system, many of which could be promising places for life.
"As NASA's first planet-hunting mission, Kepler has wildly exceeded all our expectations and paved the way for our exploration and search for life in the solar system and beyond," said Thomas Zurbuchen, associate administrator of NASA's Science Mission Directorate in Washington. "Not only did it show us how many planets could be out there, it sparked an entirely new and robust field of research that has taken the science community by storm. Its discoveries have shed a new light on our place in the universe, and illuminated the tantalizing mysteries and possibilities among the stars."
(Score: 3, Funny) by Jeremiah Cornelius on Friday December 19 2014, @09:04PM
That a rather elliptical way of paying complement.
You're betting on the pantomime horse...
(Score: 2) by aristarchus on Saturday December 20 2014, @05:30AM
That a rather elliptical way of paying complement.
Well, since it is named after Kepler, elliptical may be the way to go! First to determine planetary orbits? Johannes? And now detecting exo-planets? Well done, Kepler! Well done!
(Score: 2) by c0lo on Saturday December 20 2014, @03:08PM
https://www.youtube.com/watch?v=aoFiw2jMy-0 https://soylentnews.org/~MichaelDavidCrawford