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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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🌌 SpacePicture of a Day: The Guardians of Rapa Nui beneath the Milky Way 🪐
In the words of today's astrophotographer, Rositsa Dimitrova, "What have these silent sentinels watched pass across the sky?" The volcanic mo'ai (meaning statue) of Ahu Tongariki stand guard
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🌌 SpacePicture of a Day: Light Pillars and Orion over Mohe 🪐
What's happening at the end of that street? Pictured here are not auroras but light pillars, a phenomenon typically much closer. In most places on Earth, a lucky viewer can see a Sun pillar, a column of
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🌌 SpacePicture of a Day: Galaxies in the River: NGC 1300 and NGC 1297 🪐
Spiral NGC 1300 and elliptical NGC 1297 are galaxies that lie on the banks of the southern constellation Eridanus (The River). At 70 million light-years distant or more, both are members of the Eridanus
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🌌 SpacePicture of a Day: Spring Equinox at Teide Observatory 🪐
The defining astronomical moment of the equinox today is at 14:46 UTC (March 20). That's when the Sun crosses the celestial equator moving north in its yearly journey through planet Earth's sky, marking
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🌌 SpacePicture of a Day: Launch Plume: SpaceX Jellyfish 🪐
ven if you live with your head in the clouds, you won’t find a jellyfish like this one very often. The featured image shows a SpaceX Falcon 9 rocket launch from Cape Canaveral in Florida on March 4. The
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🌌 SpacePicture of a Day: Cygnus and the Solitary Tree 🪐
A lone tree stands in a quiet meadow in Guadalajara, Spain, silhouetted against the Cygnus region rising above like flames in the night sky. This deep night skyscape is a composite of exposures that reveals
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🌌 SpacePicture of a Day: NGC 1566: The Spanish Dancer Galaxy 🪐
If not perfect, then this spiral galaxy is at least one of the most photogenic. An island universe containing billions of stars and situated about 40 million light-years away toward the constellation of
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🌌 SpacePicture of a Day: Equinox at the Pyramid of the Feathered Serpent 🪐
To see the feathered serpent descend the Mayan pyramid requires exquisite timing. You must visit El Castillo -- in Mexico's Yucatán Peninsula -- near an equinox. Then, during the late afternoon if the
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🌌 SpacePicture of a Day: A Year for K2-315b 🪐
Want to visit a planet that has 3.14 days in a year? Then plan a trip to K2-315b, an earth-sized planet orbiting around a cool, red, M dwarf star about once every 3.14 days. The exoplanet's discovery,
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🌌 SpacePicture of a Day: Toolondo Totality Trails 🪐
In this composited night skyscape, stacked exposures trace graceful star trails above Lake Toolondo, Victoria, Australia, planet Earth. Captured while the lunar eclipse of March 3 was in progress, the
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🌌 SpacePicture of a Day: CG 4: The Globule and the Galaxy 🪐
Is this a cosmic monster ready to devour an unsuspecting galaxy? Thankfully, that is not the case. The red “monster” shown in the featured image is Cometary Globule CG 4, 1,300 light-years away in the
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🌌 SpacePicture of a Day: Sky Glows over Paranal Observatory 🪐
Are lasers from giant telescopes being used to defend the Earth? No. Lasers shot from telescopes are now commonly used to help increase the accuracy of astronomical observations. In some directions, Earth
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🌌 SpacePicture of a Day: The Cranium Nebula from the Webb Telescope 🪐
What's going on inside the head of this nebula? Dubbed the Exposed Cranium Nebula for its similarity to the human brain, what created the nebula remains a mystery. One thought is that the Cranium Nebula,
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🌌 SpacePicture of a Day: The Aurora Tree 🪐
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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🌌 SpacePicture of a Day: Two Eclipses of Saros 133 🪐
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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🌌 SpacePicture of a Day: The Astrosphere of HD 61005 🪐
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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🌌 SpacePicture of a Day: Total Lunar Eclipse over Tsé Bit'a'í 🪐
rlier this week, Earth’s shadow swept across the full Moon in the year’s only total lunar eclipse. This stunning sequence combines images showing the Moon’s path across the night sky. Each lunar image
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🌌 SpacePicture of a Day: Shapley 1: An Annular Planetary Nebula 🪐
What’s looking back at you isn’t 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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🌌 SpacePicture of a Day: The Dusty Surroundings of Orion and the Pleiades 🪐
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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🌌 SpacePicture of a Day: Lunar Occultation of Mercury 🪐
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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