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ISRO's Chandrayaan-2, Israel's Beresheet to carry NASA instruments to the moon
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  • ISRO's Chandrayaan-2, Israel's Beresheet to carry NASA instruments to the moon

ISRO's Chandrayaan-2, Israel's Beresheet to carry NASA instruments to the moon

Press Trust of India • March 26, 2019, 12:01:38 IST
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The moon’s surface already has 5 such instruments, but they have flaws that NASA hopes to fix.

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ISRO's Chandrayaan-2, Israel's Beresheet to carry NASA instruments to the moon

During the Lunar and Planetary Science Conference held at Texas, US last week, NASA confirmed that Chandrayaan 2 and Israeli lander Beresheet, which is due to touch down April 11, will each carry a NASA-owned laser retroreflector arrays. India’s **lunar mission Chandrayaan 2** , scheduled to launch next month, will carry NASA’s laser instruments that allow scientists to make precise measurements of the distance to the Moon, according to the US space agency officials. During the Lunar and Planetary Science Conference held at Texas, US last week, NASA confirmed that Chandrayaan 2 and Israeli lander Beresheet, due to touch down April 11, will each carry NASA-owned laser retroreflector arrays. [caption id=“attachment_5421961” align=“alignnone” width=“1280”]The Chandrayaan-2 Rover during a mobility test. Image courtesy: ISRO The Chandrayaan-2 Rover during a mobility test. Image courtesy: ISRO[/caption] “We’re trying to populate the entire surface with as many laser reflector arrays as we can possibly get there,” Lori Glaze, acting director of the Planetary Science Division of NASA’s Science Mission Directorate, was reported as saying by Space.com. Retroreflectors are sophisticated mirrors, that reflect laser light signals sent from the Earth. The signals can help pinpoint precisely where the lander is, which scientists can use to precisely calculate the Moon’s distance from Earth. While five such instruments already exist on the lunar surface, they have some flaws, according to Simone Dell’Agnello, a physicist at the National Institute for Nuclear Physics National Laboratory at Italy. [caption id=“attachment_6204111” align=“alignnone” width=“1280”]Beresheet’s epic selfie with Earth while en route to the moon. Image courtesy: SpaceIL The Beresheet spacecraft’s epic selfie with Earth en route to the moon. Image courtesy: SpaceIL[/caption] “The existing reflectors are big ones,” said Dell’Agnello adding that individual reflectors instead of arrays, would waste fewer laser pulses and allow more-precise measurements of the moon’s surface. Those analyses could become so detailed that scientists could see the daily rise and fall of any lander surface the device is resting on as that surface expands and contracts with the Moon’s dramatic temperature changes.

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Nasa Space Chandrayaan 2 NASA moon Moon Missions SciTech Beresheet Moon Missions NASA Lunar and Planetary Science Conference laser retroreflector
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