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#astronomy – @acelucky on Tumblr
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And one more time with feeling...

@acelucky / acelucky.tumblr.com

☽ Emma.♕ England - Fandominatrix. Jazz After Dark. Plant mum. Left my heart at Hobbitcon/Magic con. Multi-fandom trash can.  Lord of The Rings/all things Tolkien, Star Wars, The Batman, Dune, Marvel, SnK, Final Fantasy,  Game of Thrones, Placebo, Rammstein. All Hail The Glow Cloud. Eternally hoping for a Collector & Grandmaster movie - Would die for Erwin Smith & Hanji Zoe. Battinson is the best thing to happen so far in 2022. Jinkx Monsoon gives me hope. ⚜Silence=Compliance
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A Blue Hour Full Moon : Nature photographers and other fans of planet Earth always look forward to the blue hour. That’s the transition in twilight, just before sunrise or after sunset, when the Sun is below the horizon but land and sky are still suffused with a beautiful blue light. After sunset on August 21, this blue hour snapshot captured the nearly full Moon as it rose opposite the Sun, above the rugged Italian Alps from Cortina d'Ampezzo, Italy. Sharing bluish hues with the sky, the rocky pyramid of Monte Antelao, also known as the King of the Dolomites, is the region’s prominent alpine peak. The moonlight is yellow, but even so this full Moon was known to some as a seasonal Blue Moon. That’s because by one definition the third full Moon of a season with four full moons in it is called a Blue Moon. Recognizing a season as the time between a solstice and an equinox, this season’s fourth full Moon will be rising in the blue hour of September 20, just before September’s equinox. via NASA

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Pixels in the Sun : These two panels, composed of video frames made with a safe solar telescope and hydrogen alpha filter, show remarkably sharp details on the solar disk and giant prominences along the Sun’s edge on June 6 (top) and June 18. Taken from Beijing, China, they also show a transit of the International Space Station and China’s new Tiangong Space Station in silhouette against the bright Sun. The International Space Station is near center in the bottom panel, crossing the solar disk left of bright active region AR2833 and below a large looping solar filament. The Chinese space station is below solar active region AR2827 and right of center in the top panel, seen as a smaller, combined “+” and “-” shape. The pictures of the transiting orbital outposts were taken with the same equipment and at the same pixel scale, with the International Space Station some 492 kilometers away. The Chinese space station was over 400 kilometers from the camera. via NASA

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Iron in the Butterfly Nebula : Can stars, like caterpillars, transform themselves into butterflies? No, but in the case of the Butterfly Nebula – it sure looks like it. Though its wingspan covers over 3 light-years and its estimated surface temperature exceeds 200,000 degrees, C, the dying central star of NGC 6302, the featured planetary nebula, has become exceptionally hot, shining brightly in visible and ultraviolet light but hidden from direct view by a dense torus of dust. This sharp close-up was recorded by the Hubble Space Telescope and is reprocessed here to show off the remarkable details of the complex planetary nebula, highlighting in particular light emitted by iron, shown in red. NGC 6302 lies about 4,000 light-years away in the arachnologically correct constellation of the Scorpion (Scorpius). Planetary nebulas evolve from outer atmospheres of stars like our Sun, but usually fade in about 20,000 years. via NASA

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dude seeing these Mega high quality images of the surface of mars that we now have has me fucked up. Like. Mars is a place. mars is a real actual place where one could hypothetically stand. It is a physical place in the universe. ITS JUST OUT THERE LOOKING LIKE UH IDK A REGULAR OLD DESERT WITH LOTS OF ROCKS BUT ITS A WHOLE OTHER PLANET? 

LIKE THIS JUST LOOKS LIKE IT COULD BE A PERSON’S BACKYARD. LIKE YEA A LITTLE DUSTY MAYBE THERE WAS A SANDSTORM BUT THAT’S COOL I’M JUST GONNA WALK DOWN TO THE STORE P S Y C H YOU’RE ON MARS BICH!

i hate to be rude and intrude on this post but we have decent pictures of the surface Venus too! 

See also below Saturn’s moon, Titan. Mars has a blue horizon at sunset so it looks even more Earth-like in this image:

So it’s not quite snowing on Churyumov–Gerasimenko, unfortunately; the white specks are artifacts of cosmic rays impinging on the CCDs in the camera, as well as a rotating starfield in the background (since the comet is spinning). A few specks could be dust. But, holy shit, that’s the surface of a comet. That’s a spot you could in theory cling to for dear life sit down on. The Cliffs of Comet 76p are a place. 

If that isn’t the neatest shit I don’t know what is.

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I FUCKING LOVE THIS

PHOTOS OF ACTUAL OTHER GODDAMN PLANETS

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Sun’s Magnetic Field Portrayed : NASA’s Solar Dynamics Observatory (SDO) scientists used their computer models to generate a view of the Sun’s magnetic field on August 10, 2018. The bright active region right at the central area of the Sun clearly shows a concentration of field lines, as well as the small active region at the Sun’s right edge. (via NASA)

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Venus at Night in Infrared from Akatsuki : Why is Venus so different from Earth? To help find out, Japan launched the robotic Akatsuki spacecraft which entered orbit around Venus late in 2015 after an unplanned five-year adventure around the inner Solar System. Even though Akatsuki was past its original planned lifetime, the spacecraft and instruments were operating so well that much of its original mission was reinstated. Also known as the Venus Climate Orbiter, Akatsuki’s instruments investigated unknowns about Earth’s sister planet, including whether volcanoes are still active, whether lightning occurs in the dense atmosphere, and why wind speeds greatly exceed the planet’s rotation speed. In the featured image taken by Akatsuki’s IR2 camera, Venus’s night side shows a jagged-edged equatorial band of high dark clouds absorbing infrared light from hotter layers deeper in Venus’ atmosphere. The bright orange and black stripe on the upper right is a false digital artifact that covers part of the much brighter day side of Venus. Analyses of Akatsuki images and data has shown that Venus has equatorial jet similar to Earth’s jet stream. via NASA

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Cartwheel of Fortune : By chance, a collision of two galaxies has created a surprisingly recognizable shape on a cosmic scale, The Cartwheel Galaxy. The Cartwheel is part of a group of galaxies about 500 million light years away in the constellation Sculptor. Two smaller galaxies in the group are visible on the right. The Cartwheel Galaxy’s rim is an immense ring-like structure 150,000 light years in diameter composed of newly formed, extremely bright, massive stars. When galaxies collide they pass through each other, their individual stars rarely coming into contact. Still, the galaxies’ gravitational fields are seriously distorted by the collision. In fact, the ring-like shape is the result of the gravitational disruption caused by a small intruder galaxy passing through a large one, compressing the interstellar gas and dust and causing a a star formation wave to move out from the impact point like a ripple across the surface of a pond. In this case the large galaxy may have originally been a spiral, not unlike our own Milky Way, transformed into the wheel shape by the collision. But … what happened to the small intruder galaxy? via NASA

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NGC 2261: Hubble s Variable Nebula : What causes Hubble’s Variable Nebula to vary? The unusual nebula featured here changes its appearance noticeably in just a few weeks. Discovered over 200 years ago and subsequently cataloged as NGC 2661, the remarkable nebula is named for Edwin Hubble, who studied it early last century. Fitting, perhaps, the featured image was taken by another namesake of Hubble: the Space Telescope. Hubble’s Variable Nebula is a reflection nebula made of gas and fine dust fanning out from the star R Monocerotis. The faint nebula is about one light-year across and lies about 2500 light-years away towards the constellation of the Unicorn (Monocerotis). The leading variability explanation for Hubble’s Variable Nebula holds that dense knots of opaque dust pass close to R Mon and cast moving shadows onto the reflecting dust seen in the rest of the nebula. via NASA

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