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IoTman
@iotman
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ART, IOT and DIY
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2018-01-20 04:44
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iotman
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π SpacePicture of a Day: The Aurora Tree πͺ
Yes, but can your tree do this? Pictured is a visual coincidence between the dark branches of a nearby tree and bright glow of a distant aurora. The beauty of the aurora -- combined with how it seemed
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π SpacePicture of a Day: Two Eclipses of Saros 133 πͺ
Centered on maximum eclipse, these two total lunar eclipse sequences look almost identical. Yet the one shown on top is composed of images recorded in February 2008, while at the bottom is the recent March
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π SpacePicture of a Day: The Astrosphere of HD 61005 πͺ
Do young stars blow bubbles? The larger view shows a stellar field observed with the Cerro Tololo Inter-American Observatory in Chile, and the inset highlights HD 61005, a star like our Sun, only 120
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π SpacePicture of a Day: Total Lunar Eclipse over TsΓ© Bit'a'Γ πͺ
rlier this week, Earthβs shadow swept across the full Moon in the yearβs only total lunar eclipse. This stunning sequence combines images showing the Moonβs path across the night sky. Each lunar image
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π SpacePicture of a Day: Shapley 1: An Annular Planetary Nebula πͺ
Whatβs looking back at you isnβt a cosmic eye, but Shapley 1, a beautifully symmetric planetary nebula. Shapley 1, also known as the Fine Ring Nebula or PLN 329+2.1, bejewels the southern sky constellation
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π SpacePicture of a Day: The Dusty Surroundings of Orion and the Pleiades πͺ
How well do you know the night sky? OK, but how well can you identify famous sky objects in a very deep image? Either way, here is a test: see if you can find some well-known night-sky icons in a deep
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π SpacePicture of a Day: Lunar Occultation of Mercury πͺ
Fans of the western sky after sunset have lately enjoyed this month's remarkable array of bright planets. Witnessed from some locations, on February 18 planet Mercury even appeared to slide behind the
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π SpacePicture of a Day: Sharpless 249 and the Jellyfish Nebula πͺ
Normally faint and elusive, the Jellyfish Nebula is caught in this alluring telescopic field of view. Floating in the interstellar sea, the nebula is anchored right and left by two bright stars, Mu and
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π SpacePicture of a Day: The Egg Nebula from the Hubble Telescope πͺ
ver wonder what it would look like to crack open the Sun? The Egg Nebula, a dying Sun-like star, can unscramble this question. Pictured is a combination of several visible and infrared images of the nebula
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π SpacePicture of a Day: Planet Parade over Sydney Opera House πͺ
Look up this week and see a whole bunch of planets. Just after sunset, looking west (mostly), planets Mercury, Venus, Saturn, and Jupiter will all be visible to the unaided eye simultaneously. If you have
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π SpacePicture of a Day: Pleiades: The Seven Sisters Star Cluster πͺ
Have you ever seen the Pleiades star cluster? Even if you have, you probably have never seen it as large and clear as this. Perhaps the most famous star cluster on the sky, the bright stars of the Pleiades
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π SpacePicture of a Day: Shadow of a Martian Robot πͺ
What if you saw your shadow on Mars and it wasn't human? Then you might be the Opportunity rover exploring Mars. Opportunity explored the Red Planet from 2004 to 2018, finding evidence of ancient water,
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π SpacePicture of a Day: Twilight with Moon and Planets πͺ
Only two days after the February New Moon's annular eclipse of the Sun, a slender lunar crescent poses above the western horizon after sunset in this wintry twilight skyscape. Its nightside faintly illuminated
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π SpacePicture of a Day: IC 2574: Coddington's Nebula πͺ
Grand spiral galaxies often seem to get all the glory, flaunting their young, bright, blue star clusters in beautiful, symmetric spiral arms. But small, irregular galaxies form stars too. In fact, dwarf
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π SpacePicture of a Day: Orion's Cradle πͺ
Cradled in red-glowing hydrogen gas, stars are being born in Orion. These stellar nurseries lie at the edge of the giant Orion molecular cloud complex, some 1,500 light-years away. This detailed view spans
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π SpacePicture of a Day: Tails of Comet WierzchoΕ πͺ
Some comets are regular guests of our solar neighborhood; others come by only once, never to return. We wonβt have another chance to see Comet C/2024 E1 (WierzchoΕ), which is currently making its way through
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π SpacePicture of a Day: Unexplained Shocks Around a White Dwarf Star πͺ
How is RXJ0528+2838 creating such shock waves? A recently discovered white dwarf star, the farther left of the two largest white spots, RXJ0528+2838, was found 730 light-years away from Earth. Most stars,
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π SpacePicture of a Day: Roses are Red πͺ
Roses are red, nebulas are too, and this Valentine's gift is a stunning view! Pictured is a loving look at the Rosette Nebula (NGC 2237): a cosmic bloom of bright young stars sitting atop a stem of glowing
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π SpacePicture of a Day: NGC 147 and NGC 185 πͺ
Dwarf galaxies NGC 147 (left) and NGC 185 stand side by side in this deep telescopic portrait. The two are not-often-imaged satellite galaxies of M31, the great spiral Andromeda Galaxy, some 2.5 million
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π SpacePicture of a Day: The Bay of Rainbows πͺ
Dark, smooth regions that cover the Moon's familiar face are called by Latin names for oceans and seas. That naming convention is historical, though it may seem a little ironic to denizens of the space
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