NASA’s Lunar Mission Captures Solar Eclipse as Seen From a Moon

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During a sum solar obscure on Aug. 21, NASA’s Lunar Reconnaissance Orbiter, or LRO, prisoner an picture of a Moon’s shade over a vast segment of a United States, centered usually north of Nashville, Tennessee.

As LRO crossed a lunar south stick streamer north during 3,579 mph (1,600 meters per second), a shade of a Moon was racing opposite a United States during 1,500 mph (670 meters per second).

NASA’s Lunar Reconnaissance Orbiter shows a shade of a Moon expel on a United States during a Aug. 21, 2017, sum solar eclipse.
Credits: NASA/GSFC/Arizona State University

A few mins later, LRO began a delayed 180-degree spin to demeanour behind during Earth, capturing an picture of a obscure really nearby a plcae where assemblage lasted a longest. The spacecraft’s Narrow Angle Camera began scanning Earth during 2:25:30 p.m. EDT (18:25:30 UTC) and finished a picture 18 seconds later.

The Narrow Angle Camera is prejudiced of a Lunar Reconnaissance Orbiter Camera system. Two Narrow Angle Cameras constraint high-resolution black and white images, and a third, a Wide Angle Camera, captures moderate-resolution images regulating filters to yield information about a properties and tone of a lunar surface.

The Narrow Angle Camera builds adult an picture line by line rather than a some-more standard “instantaneous” framing that occurs with digital or cell-phone cameras. Each line of a picture is unprotected for reduction than one-thousandth of a second; a bearing time was set as low as probable to forestall splendid clouds from saturating a sensor. It takes about 18 seconds to acquire all 52,224 lines for a image.

This animation starts with a black-and-white picture of a Moon’s shade on Earth, as seen by NASA’s Lunar Reconnaissance Orbiter, or LRO. The levels of gray in a picture are gradually adjusted, saturating a credentials until a facilities of a landscape disappear. At that point, it’s probable to see a corner of a sum solar eclipse. As a gray levels are restored, a umbra, or a totally shadowed area, becomes visible, followed by a penumbra, or prejudiced shade where prejudiced of a Sun peaks over a corner of a Moon.LRO’s Narrow Angle Camera can record 3600 gray levels, since many digital cameras record usually 255 levels of gray. The camera was designed this approach since a Moon is a high-contrast target, with really splendid materials subsequent to dim materials. In these images, those 3,600 levels of gray were squeezed into 255 levels since that’s what a standard mechanism shade is able of displaying.
Credits: NASA/GSFC/Arizona State University

While a disturb of a sum obscure was in experiencing a shade of a Moon brush opposite us on Earth, on a Moon this was usually another day. The lunar nearside was one week into a two-week night, while a Sun shone on a distant side in a center of a two-week day. Because solar eclipses do not impact a health or energy supply of a spacecraft, LRO operated routinely during a sum solar eclipse.

Launched on Jun 18, 2009, LRO has collected a value trove of information with a 7 absolute instruments, creation an useful grant to a believe about a Moon and reminding us, by these obscure images, of a beauty of a Earth.

LRO is managed by NASA’s Goddard Space Flight Center in Greenbelt, Maryland, as a plan underneath NASA’s Discovery Program. The Discovery Program is managed by NASA’s Marshall Spaceflight Center in Huntsville, Alabama, for a Science Mission Directorate during NASA Headquarters in Washington.

The Lunar Reconnaissance Orbiter Camera was grown during Malin Space Science Systems in San Diego, California and Arizona State University.

Source: NASA



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