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After Kepler completed its work, to search for exoplanets space telescope TESS.
At the space telescope Kepler, almost no fuel, and he was transferred to sleep mode, to try one last time to transmit data to Earth.
A small amount of fuel should ensure that the latest data can be sent to scientists on 10 October, writes the Internet-the edition with reference to .
Fuel should be sufficient to download the data via the Deep Space Network of NASA. The researchers note that at present it is difficult to determine how much fuel is left on Board the spacecraft. At the telescope there were problems with precise positioning. This means that fuel reserves are almost exhausted. If any fuel will remain after the load data next week, Kepler will launch a new campaign to search for exoplanets.
On the Ground or any other place with sufficient gravity the measurement of fuel simple. In space, as an expanding air bubble inside the tank displaces fuel. This method is effective when the supply of fuel, but not for measuring its amount.
“As soon as the fuel is consumed, the bubble expands to occupy more space and maintain the pressure level. The pressure is monitored and used as indicator of how much fuel remains”, – noted in NASA.
In the framework of the 19th campaign, which lasted more than 27 days, Kepler has observed more than 30,000 stars and galaxies in the constellation Aquarius, including dozens of known and suspected exoplanets.
The Kepler launch was held on 6 March 2009 at 22:49 on the East coast of the United States. The main program was designed for 3.5 years. May 12, 2013 orbital Observatory has lost orientation in space, onboard computer went into safe mode. The exact orientation of the camera became impossible, but data analysis will continue for another few years.After Kepler completed its work, to search for exoplanets space telescope TESS.