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#astrophotography

194 posts152 participants5 posts today
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earthling

The Da Vinci Glow

A 26 hour old Moon poses behind the craggy outline of the Italian #Dolomites in this twilight mountain and skyscape. The one second long exposure was captured near moonset on March 30. And while only a a sliver of its sunlit surface is visible, most of the Moon's disk can be seen by earthshine as light reflected from a bright planet Earth illuminates the lunar nearside.

Image Credit & Copyright: Giorgia Hofer

@photography
#astrophotography
#Moon
#APOD

Also known as the Moon's ashen glow, a description of earthshine in terms of sunlight reflected by Earth's oceans illuminating the Moon's dark surface was written over 500 years ago by Leonardo da Vinci. Of course earthshine is just the most familiar example of planetshine, the faint illumination of the dark portion of a moon by light reflected from its planet.
Public
Vinz Frank
Last Friday i tried to capture the Whirlpool Galaxy M51📸

🌌The Whirlpool Galaxy (M51) is a spiral galaxy located about 23 million light-years away in Canes Venatici. It spans approximately 60,000 light-years and features prominent spiral arms with active star formation. M51 is interacting with the smaller galaxy NGC 5195, creating stunning tidal features that enhance its visual appeal.

#Astrophotography #GalaxyPhotography #WhirlpoolGalaxy #NightSky #Stargazing #SpacePhotography #CosmicWonder #AstronomyLovers #CelestialBeauty #DeepSpace #Deepsky #AstroPic #SkyWatchers
#skywatchers
Continued thread
Public
grobi

Moonquakes

The Moon is still losing heat and, as a result, shrinking slightly. This shrinking, plus the stress on the Moon’s outer layer produced by the tugging of Earth’s gravitational pull, cracks the Moon's crust.

nasa.gov/news-release/shrinkin

Evidence for moonquakes on Lee-Lincoln fault scarp
NASAShrinking Moon May Be Generating Moonquakes - NASAThe Moon is shrinking as its interior cools, getting more than about 150 feet (50 meters) skinnier over the last several hundred million years. Just as a
#space#moon#earth
Public *
grobi

Moonquakes Surprisingly Common
* Image Credit: NASA, Apollo 11 Crew
nasa.gov/history/alsj/a11/a11.
nasa.gov/

Explanation:
Why are there so many moonquakes? Analyses of seismometers left on the moon during the Apollo moon landings reveal a surprising number of moonquakes occurring within 100 kilometers of the surface. In fact, 62 moonquakes were detected in data recorded between 1972 and 1977. Many of these moonquakes are not only strong enough to move furniture in a lunar apartment, but the stiff rock of the moon continues to vibrate for many minutes, significantly longer than the softer rock earthquakes on Earth. The cause of the moonquakes remains unknown, but a leading hypothesis include tidal gravity from -- and relative heating by -- our Earth. Regardless of the source, future moon dwellings need to be built to withstand the frequent shakings. Pictured here, Apollo 11 astronaut Buzz Aldrin stands beside a recently deployed lunar seismometer, looking back toward the lunar landing module.
nasa.gov/former-astronaut-edwi
flickr.com/photos/nasacommons/
science.nasa.gov/resource/apol
apod.nasa.gov/apod/ap030920.ht

science.nasa.gov/moon/moonquak
en.wikipedia.org/wiki/Quake_(n
ui.adsabs.harvard.edu/abs/2017
ui.adsabs.harvard.edu/abs/1977
en.wikipedia.org/wiki/Tidal_fo
en.wikipedia.org/wiki/Seismome

ds.iris.edu/data/reports/XA_19
research-collection.ethz.ch/bi
researchgate.net/figure/Moonqu
research-collection.ethz.ch/bi

en.wikipedia.org/wiki/Lunar_se
youtube.com/watch?v=A75icqf9M6
earthquake.usgs.gov/earthquake

nasa.gov/history/apollo-11-mis
nssdc.gsfc.nasa.gov/planetary/
nasa.gov/blogs/missions/2020/1
earthquake.usgs.gov/earthquake
apod.nasa.gov/apod/ap171025.ht

2025 April 6 An astronaut is seen standing on the Moon next to an instrument with the lunar lander several meters in the distance. The dark of deep space covers the top of the frame. Please see the explanation for more detailed information. Moonquakes Surprisingly Common * Image Credit: NASA, Apollo 11 Crew Explanation: Why are there so many moonquakes? Analyses of seismometers left on the moon during the Apollo moon landings reveal a surprising number of moonquakes occurring within 100 kilometers of the surface. In fact, 62 moonquakes were detected in data recorded between 1972 and 1977. Many of these moonquakes are not only strong enough to move furniture in a lunar apartment, but the stiff rock of the moon continues to vibrate for many minutes, significantly longer than the softer rock earthquakes on Earth. The cause of the moonquakes remains unknown, but a leading hypothesis include tidal gravity from -- and relative heating by -- our Earth. Regardless of the source, future moon dwellings need to be built to withstand the frequent shakings. Pictured here, Apollo 11 astronaut Buzz Aldrin stands beside a recently deployed lunar seismometer, looking back toward the lunar landing module. Authors & editors: Robert Nemiroff (MTU) & Jerry Bonnell (UMCP) NASA Official: Amber Straughn Specific rights apply. NASA Web Privacy, Accessibility, Notices; A service of: ASD at NASA / GSFC, NASA Science Activation & Michigan Tech. U.
#space#moon#earth
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