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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
science
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🌌 SpacePicture of a Day: Clouds and the Golden Moon 🪐
As the Sun set, a bright Full Moon rose on July 10. Its golden light illuminates clouds drifting through southern hemisphere skies in this well-composed telephoto image from Conceição do Coité, Bahia,
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🌌 SpacePicture of a Day: The Veins of Heaven 🪐
Transfusing sunlight as the sky grew darker, this exceptional display of noctilucent clouds was captured on July 10, reflected in the calm waters of Vallentuna Lake near Stockholm, Sweden. From the edge
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🌌 SpacePicture of a Day: A Beautiful Trifid 🪐
The beautiful Trifid Nebula is a cosmic study in contrasts. Also known as M20, it lies about 5,000 light-years away toward the nebula rich constellation Sagittarius. A star forming region in the plane
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🌌 SpacePicture of a Day: The Pleiades in Red and Blue 🪐
If you have looked at the sky and seen a group of stars about the size of the full Moon, that's the Pleiades (M45). Perhaps the most famous star cluster in the sky, its brightest stars can be seen even
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🌌 SpacePicture of a Day: Interstellar Comet 3I/ATLAS 🪐
It came from outer space. An object from outside our Solar System is now passing through at high speed. Classified as a comet because of its gaseous coma, 3I/ATLAS is only the third identified macroscopic
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🌌 SpacePicture of a Day: The Spiral North Pole of Mars 🪐
Why is there a spiral around the North Pole of Mars? Each winter this pole develops a new outer layer about one meter thick composed of carbon dioxide frozen out of the thin Martian atmosphere. This fresh
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🌌 SpacePicture of a Day: Ou4: The Giant Squid Nebula 🪐
Difficult to capture, this mysterious, squid-shaped interstellar cloud spans nearly three full moons in planet Earth's sky. Discovered in 2011 by French astro-imager Nicolas Outters, the Squid Nebula's
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🌌 SpacePicture of a Day: Nova V462 Lupi Now Visible 🪐
If you know where to look, you can see a thermonuclear explosion from a white dwarf star. Possibly two. Such explosions are known as novas and the detonations are currently faintly visible with the unaided
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🌌 SpacePicture of a Day: Eye Sky a Dragon 🪐
What do you see when you look into this sky? In the center, in the dark, do you see a night sky filled with stars? Do you see a sunset to the left? Clouds all around? Do you see the central band of our
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🌌 SpacePicture of a Day: NGC 4651: The Umbrella Galaxy 🪐
It's raining stars. What appears to be a giant cosmic umbrella is now known to be a tidal stream of stars stripped from a small satellite galaxy. The main galaxy, spiral galaxy NGC 4651, is about the size
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🌌 SpacePicture of a Day: Dark Sand Cascades on Mars 🪐
Are these trees growing on Mars? No. Groups of dark brown streaks have been photographed by the Mars Reconnaissance Orbiter on melting pinkish sand dunes covered with light frost. The featured image was
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🌌 SpacePicture of a Day: Messier 109 🪐
Big beautiful barred spiral galaxy Messier 109 is the 109th entry in Charles Messier's famous catalog of bright Nebulae and Star Clusters. You can find it just below the Big Dipper's bowl in the northern
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🌌 SpacePicture of a Day: The Seagull Nebula 🪐
An interstellar expanse of glowing gas and obscuring dust presents a bird-like visage to astronomers from planet Earth, suggesting its popular moniker, the Seagull Nebula. This broadband portrait of the
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🌌 SpacePicture of a Day: Rubin's First Look: A Sagittarius Skyscape 🪐
This interstellar skyscape spans over 4 degrees across crowded starfields toward the constellation Sagittarius and the central Milky Way. A First Look image captured at the new NSF–DOE Vera C. Rubin
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🌌 SpacePicture of a Day: In the Center of Spiral Galaxy M61 🪐
Is there a spiral galaxy in the center of this spiral galaxy? Sort of. Image data from the Hubble Space Telescope, the European Southern Observatory, and smaller telescopes on planet Earth are combined
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🌌 SpacePicture of a Day: W5: Pillars of Star Formation 🪐
How do stars form? Images of the star forming region W5 like those in the infrared by NASA's Wide Field Infrared Survey Explorer (WISE, later NEOWISE) satellite provide clear clues with indications that
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🌌 SpacePicture of a Day: A Berry Bowl of Martian Spherules 🪐
How were these unusual Martian spherules created? Thousands of unusual gray spherules made of iron and rock and dubbed blueberries were found embedded in and surrounding rocks near the landing site of
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🌌 SpacePicture of a Day: Two Worlds, Two Analemmas 🪐
Sure, that figure-8 shaped curve you get when you mark the position of the Sun in Earth's sky at the same time each day over one year is called an analemma. On the left, Earth's figure-8 analemma was traced
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🌌 SpacePicture of a Day: Major Lunar Standstill 2024-2025 🪐
dmonton, Alberta, Canada, planet Earth lies on the horizon. in this stack of panoramic composite images. In a monthly time series arranged vertically top to bottom the ambitious photographic project follows
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🌌 SpacePicture of a Day: NGC 3521: Galaxy in a Bubble 🪐
Gorgeous spiral galaxy NGC 3521 is a mere 35 million light-years away, toward the northern springtime constellation Leo. Relatively bright in planet Earth's sky, NGC 3521 is easily visible in small telescopes
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