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NASA’s New Exoplanet-Hunting TESS Satellite Captures Image of Comet

NASA’s New Exoplanet-Hunting TESS Satellite Captures Image of Comet

Sentinel Digital DeskBy : Sentinel Digital Desk

  |  9 Aug 2018 11:19 AM GMT

Washington: NASA’s latest planet hunter Transiting Exoplanet Survey Satellite (TESS) has captured a stunning sequence of images showing the motion of a comet that is 48 million km from Earth. Launched in April, TESS took a series of images of the comet C/2018 N1, over the course of 17 hours on July 25 — the day the planet hunter officially commenced its science operations, the US space agency said in a statement.

C/2018 N1 is located about 29 million miles (48 million km) from Earth in the southern constellation Piscis Austrinus and is seen to move across the frame from right to left as it orbits the Sun. The planet hunter snapped a series of images capturing the motion of the comet which demonstrate the satellite’s ability to collect a prolonged set of stable periodic images covering a broad region of the sky, all critical factors in finding transiting planets orbiting nearby stars, the statement said.

Additionally, TESS’ images reveal a treasure trove of other astronomical activity. The stars appear to shift between white and black as a result of image processing, NASA said. Towards the end of the video, a faint broad arc of light moving across the middle section of the frame from left to right can be seen. This is a stray light from Mars, which is located outside the frame. The images were taken when Mars was at its brightest near opposition, or its closest distance, to Earth, NASA said. TESS is NASA’s latest satellite to search for planets outside our solar system, known as exoplanets. (IANS)

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