description Lunar Reconnaissance Orbiter Overview
The Lunar Reconnaissance Orbiter (LRO) is a NASA spacecraft currently orbiting the Moon. Launched in 2009, it provides detailed mapping of the lunar surface using high-resolution cameras and spectrometers. This data supports scientific research into the Moon’s formation, composition, and history. LRO's information is valuable for future human missions and planetary science investigations, particularly benefiting scientists and engineers involved in lunar exploration.
insights Ranking position
Lunar Reconnaissance Orbiter ranks #73 of 270 in the Space Mission ranking, behind Space Shuttle STS-1, ahead of Venera 9.
help Lunar Reconnaissance Orbiter FAQ
Is the Lunar Reconnaissance Orbiter still circling the Moon?
Yes, LRO has continued operating far beyond its planned one-year primary mission. NASA launched it with LCROSS aboard an Atlas V on June 18, 2009.
How detailed are the images taken by LRO?
The Lunar Reconnaissance Orbiter Camera includes two narrow-angle cameras for high-resolution surface imaging and a wide-angle camera for broader context. Its imagery is detailed enough to document Apollo landing sites and track newly formed impact craters.
Did LRO discover water on the Moon?
LRO instruments mapped hydrogen-rich and extremely cold polar regions that can preserve ice, while the companion LCROSS impact mission directly detected water in material excavated near the south pole. Later observations supplied further evidence of surface water ice in permanently shadowed areas.
What is the difference between LRO and LCROSS?
LRO is the long-lived mapping orbiter carrying instruments such as LROC, LOLA, Diviner, and LEND. LCROSS traveled with it but deliberately struck the Moon in 2009 so scientists could analyze the resulting plume for water and other materials.
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