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Space

Posted on Jul 30, 2021

APOD: 2021 July 30 - Mimas in Saturnlight

Maj William W. 'Bill' Price

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Good Red Friday morning, Rallypoint. Today's Astronomy Picture of the Day (APOD) is titled "Mimas in Saturnlight." The Cassini spacecraft was active in space for nearly 20 years, with 13 years spent orbiting Saturn and studying the planet and its system after entering orbit on July 1, 2004 (the mission ended in 2017). As a result, the wealth of information returned by Cassini to Earth is still being studied. APOD last visited Mimas on May 31st of this year, where the focus was on the impact that produced the 130km-wide Herschel Crater. If there were a crater of an equivalent scale on Earth (in relative size) it would be over 4,000 km (2,500 mi) in diameter, wider than Australia. This view of Mimas is, shall we say, a bit more peaceful.

APOD frequently talks about the effect of 'Earthshine' when discussing the visible glow of the dark side of our Moon due to reflected sunlight from Earth. Here, along with a sunlit crescent (just like we see with our own Moon) we see the effects of 'Saturnlight', or the reflected light from the giant planet. Mouse over the image and you'll see the results.

APOD: 2021 July 30 - Mimas in Saturnlight

Posted from apod.nasa.gov

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Edited 3 y ago

Posted 3 y ago

Responses: 7

SGT David A. 'Cowboy' Groth

Posted 3 y ago

Looks like an over size golf ball in space Maj William W. 'Bill' Price , have a great RED Friday sir.

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LTC Stephen F.

Edited 3 y ago

Posted 3 y ago

Golden Earring - Twilight Zone (Popnacht 1982)

Thank you my friend Maj William W. 'Bill' Price for posting the NASA Astronomy Picture of the Day (APOD) is titled "Mimas in Saturnlight."

This black & white image highlights the nuances of the terrain on Mimas. Since Saturn light is actually a reflection of light from the sun...
The wonders of God's design in the heaven, inspire

Image: Mimas in Saturnlight - Image Credit - Cassini Imaging Team, SSI, JPL, ESA, NASA

APOD background
"Explanation: Peering from the shadows, the Saturn-facing hemisphere of Mimas lies in near darkness alongside a dramatic sunlit crescent. The mosaic was captured near the Cassini spacecraft's final close approach on January 30, 2017. Cassini's camera was pointed in a nearly sunward direction only 45,000 kilometers from Mimas. The result is one of the highest resolution views of the icy, crater-pocked, 400 kilometer diameter moon. An enhanced version better reveals the Saturn-facing hemisphere of the synchronously rotating moon lit by sunlight reflected from Saturn itself. To see it, slide your cursor over the image (or follow this link). Other Cassini images of Mimas include the small moon's large and ominous Herschel Crater."

Golden Earring - Twilight Zone (Popnacht 1982)
https://www.youtube.com/watch?v=8pMDm9ymWgQ

FYI COL Mikel J. Burroughs SMSgt Lawrence McCarter LTC (Join to see) MAJ Dale E. Wilson, Ph.D. Maj Bill Smith, Ph.D. Sgt Albert Castro PO1 William "Chip" Nagel SSG Samuel Kermon SSG Franklin Briant A1C Riley Sanders GySgt Thomas Vick CPL Douglas Chrysler SP5 Geoffrey Vannerson Lt Col John (Jack) Christensen GySgt Jack Wallace 1SG Steven Imerman MSgt James Clark-Rosa SGT (Join to see) Maj Marty Hogan

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LTC Stephen F.

3 y

Jesse Colin Young - Sunlight - 4/17/1976 - Capitol Theatre (Official)

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