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The isotopic composition of water on the surface of comets may vary, according to the astronomers

Passage of comets near the sun can result in that the ratio between the different isotopes of the elements included in its composition can vary significantly - an effect not previously observed for comets - according to a new study by NASA scientists. Astronomers from the Goddard Space Flight Center, USA, observed Oort comet cloud C / 2014 Q2, also known as Comet Lovejoy, at a time when she passed the Earth at the beginning of 2015 With the Observatory. Keck, located in Hawaii, now that the team was able to observe the comet in the infrared range of a few days after the passage of the comet Lovejoy perihelion - the closest point to the Sun, the comet's orbit.

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