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#solar system
astronomypoetry · a day ago
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The estimated radius is about 2,150 times that of the Sun, and the volume is 10 billion Suns. If Stephenson 2-18 replaced the Sun in the solar system, its photosphere would extend beyond the orbit of Saturn.
It would take earth's fastest jet over 500 years to travel around. It would take almost 9 hours at the speed of light.
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danskjavlarna · 16 hours ago
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"The man with the greatest pulling powe is not always the biggest nor the nearest."  From Other Worlds Than This by Elena Fontany and illustrated by John Dukes McKee, 1930.
It was a stretch to find these vintage tug of war images.
Wondering about this post?  Wait for the dissertation (TBA). For now:  Weblog ◆ Books ◆ Videos ◆ Music ◆ Etsy
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quiltofstars · 2 days ago
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Neptune and its moon, Triton on September 12, 2021 // Matt Smith
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nasa · 7 months ago
What is the weirdest thing you had to account for when building the perseverance rover?
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spacewonder19 · a day ago
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Galaxy cluster Abell S1063 — The Final Frontier
The huge mass of the cluster acts as a cosmic magnifying glass and enlarges even more distant galaxies
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ophelie-trichereau · a month ago
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“The Moon”
“La Lune”
Hand embroidery.
DMC embroidery threads on linen.
13,5 cm in diameter
Thank you Katherine!!
https://www.etsy.com/fr/shop/OphelieTrichereau
I take custom orders.
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quiltofstars · 13 hours ago
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Saturn with its moons Tethys (above Saturn) and Dione (right) on September 15, 2021 // Ryan Kinnett
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nasa · a month ago
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Our universe is FULL of strange and surprising things.
And luckily, our Hubble Space Telescope is there to be our window to the unimaginable! Hubble recently ran into an issue with its payload computer which controls and coordinates science instruments onboard the spacecraft. On July 16, teams successfully switched to backup hardware to compensate for the problem! A day later, the telescope resumed normal science operations. To celebrate, we’re taking you back to 2016 when our dear Hubble captured perhaps one of the most intriguing objects in our Milky Way galaxy: a massive star trapped inside a bubble! The star inside this Bubble Nebula burns a million times brighter than our Sun and produces powerful gaseous outflows that howl at more than four million miles per hour. Based on the rate the star is expending energy, scientists estimate in 10 to 20 million years it will explode as a supernova. And the bubble will succumb to a common fate: It’ll pop.
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sosuperawesome · a year ago
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Solar System Embroidery
Ophelie Trichereau on Etsy
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spacewonder19 · 14 hours ago
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Star cluster NGC 6520 and the gecko-shaped dark cloud Barnard 86
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