3.5 meter mirror of the Herschel is the largest in orbit to date. news
The Andromeda Galaxy seen by Herschel. The red colored parts of the image are just a few tenths of a degree above absolute zero. news
J. PEDREIRA ‘WICHO’ (Special RTVE.es)
When Herschel space telescope design was clear that although all components functioned to perfection would be the amount of helium for cooling was carrying observation instruments which ultimately would set life, as to capture the signals of interest to scientists they have to be almost 273 degrees below zero.
And those 2300 liters of helium just completed, as announced European Space Agency. It is a similar process that is suffering the Planck.
Too hot As the temperature on board the Herschel and finds it impossible to continue their observations of the most distant and cold objects the universe in the far infrared band and submillimeter, as the heat of the instruments debilísimas masks would have to pick up signals.However, taking into account the expected duration of the mission was three years that Herschel was able to operate for nearly four years has finally happened is a success.
Now only place to Herschel in orbit around the Sun in a way that will never hit Earth because its current orbit at Lagrange point L2 is unstable, so leave him there’s no telling where he could finish.
Follow work But if you have finished the Herschel life is behind the product of almost four years of operation, with data from more than 25,000 hours of observation, to which must be added another 2,000 collected during the hours of the calibration of the instruments on board.
All these data still provide years and years of scientific analysis work around the world and allow them to deepen the understanding of the formation of stars and galaxies and the study of chemistry molecular throughout the universe.
Herschel was a mission of the European Space Agency, although NASA collaboration in the construction of the instruments on board.
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