#Tag
Interstellar Comet 3I/ATLAS is fragmenting on its way back out from the Sun.
https://www.virtualtelescope.eu/2025/11/13/comet-c-2025-k1-atlas-fragmentation-13-nov-2025-image-and-animation/ #space #science #nature
The famous photo 'earthrise' is a bit misleading - the title at least. An inhabitant of the moon wouldn't see the Earth move in the sky significantly, because the moon is tidally locked to the Earth. It was only an earthrise when seen from an orbiting spacecraft.
Tidal locking occurs when one body is deformed gravitationally by another. In this case the water of Earth's oceans are pulled by the moon. It is possible for both bodies to be tidally locked - Pluto and Charon are like this and thus fixed in each other's sky.
I don't know if it is possible for only the larger body to be tidally locked to its orbiting companion but I don't see why not. The moon would need to be more deformable than the planet I think.
The famous photo 'earthrise' is a bit misleading - the title at least. An inhabitant of the moon wouldn't see the Earth move in the sky significantly, because the moon is tidally locked to the Earth. It was only an earthrise when seen from an orbiting spacecraft.
Tidal locking occurs when one body is deformed gravitationally by another. In this case the water of Earth's oceans are pulled by the moon. It is possible for both bodies to be tidally locked - Pluto and Charon are like this and thus fixed in each other's sky.
I don't know if it is possible for only the larger body to be tidally locked to its orbiting companion but I don't see why not. The moon would need to be more deformable than the planet I think.
Interstellar Comet 3I/ATLAS is fragmenting on its way back out from the Sun.
https://www.virtualtelescope.eu/2025/11/13/comet-c-2025-k1-atlas-fragmentation-13-nov-2025-image-and-animation/ #space #science #nature
"The surge in megasatellite constellations is creating problems beyond amplifying the Earth-circling space debris, according to new research. Reentering spacecraft and rocket stages may also be damaging Earth’s atmosphere. 'Space waste,' spacecraft reentering the atmosphere, injects a considerable amount of its matter into the mesosphere and lower #thermosphere — enough to potentially weaken the Earth’s #ozone layer."
Because everyone needs more aurora pictures, right? Two nights ago was actually the first time I've ever seen the aurora. This shot features my Subaru Forester on a ranch road in Harding County, New Mexico, an area with incredibly dark skies, but also an area that rarely gets the aurora. My favorite shot ended up being this one with the interior lights on in the car. I liked the contrast of the cool, blue glow against the red sky. #Sky #Car #Space #Stars #Road #aurora #auroraborealis #night #nightsky #NewMexico #Subaru #nature #scenicsnature #outdoors #Fujifilm #FujifilmXT5
Because everyone needs more aurora pictures, right? Two nights ago was actually the first time I've ever seen the aurora. This shot features my Subaru Forester on a ranch road in Harding County, New Mexico, an area with incredibly dark skies, but also an area that rarely gets the aurora. My favorite shot ended up being this one with the interior lights on in the car. I liked the contrast of the cool, blue glow against the red sky. #Sky #Car #Space #Stars #Road #aurora #auroraborealis #night #nightsky #NewMexico #Subaru #nature #scenicsnature #outdoors #Fujifilm #FujifilmXT5
#PPOD: When a meteoroid shook the edge of Apollinaris Mons on Mars, it triggered streaks that carved a hundred new scratches on the surface. The European Space Agency’s ExoMars Trace Gas Orbiter captured these dust avalanches on the slopes the night before Christmas in 2023. This image also shows the faint cluster of impact craters in the discoloured region at the base of the slopes. Credit: ESA/TGO/CaSSIS
#PPOD: When a meteoroid shook the edge of Apollinaris Mons on Mars, it triggered streaks that carved a hundred new scratches on the surface. The European Space Agency’s ExoMars Trace Gas Orbiter captured these dust avalanches on the slopes the night before Christmas in 2023. This image also shows the faint cluster of impact craters in the discoloured region at the base of the slopes. Credit: ESA/TGO/CaSSIS
"The surge in megasatellite constellations is creating problems beyond amplifying the Earth-circling space debris, according to new research. Reentering spacecraft and rocket stages may also be damaging Earth’s atmosphere. 'Space waste,' spacecraft reentering the atmosphere, injects a considerable amount of its matter into the mesosphere and lower #thermosphere — enough to potentially weaken the Earth’s #ozone layer."
