Sep 13, 2015

Q.1809

Lunar Atmosphere and Dust Environment Explorer (LADEE) spacecraft has confirmed the presence of ____ in the lunar atmosphere. While scientists have speculated on the presence of _____ in the lunar atmosphere since the Apollo missions, LADEE spacecraft has confirmed its existence for the first time on September 13th 2015. There’s not enough of ____ to make the moon visibly ‘glow’ because the moon’s atmosphere is extremely tenuous, about 100 trillion times less dense than Earth’s atmosphere at sea level.

Fill in the blank. It might remind you of a Brooks & Dunn song from 1991.

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