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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: Flying Saucer Crash Lands in Utah Desert 🪐
A flying saucer from outer space crash-landed in the Utah desert after being tracked by radar and chased by helicopters. The year was 2004, and no space aliens were involved. The saucer, pictured here,
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🌌 SpacePicture of a Day: Shadow and Rainbow 🪐
At sunset, an alignment of rainbow and mountain shadow was captured in this remarkable snapshot. The stunning view was recorded from a fire lookout on Smith Peak in the Plumas National Forest near Portola,
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🌌 SpacePicture of a Day: The Dust Trail of Comet Tempel 2 🪐
Comet 10P/Tempel 2 orbits the Sun once every 5.4 years. Currently visible in binoculars or small telescopes toward the constellation Capricornus, the periodic comet is captured in this sharp telescopic
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🌌 SpacePicture of a Day: NGC 300: A Cosmic Gemstone with Stars and Gas Clouds 🪐
This sparkling, colorful gemstone is a spiral galaxy, NGC 300. It is one of the closest spiral galaxies to Earth, only about 6 million light-years away. But does it really look like this? Here is a more
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🌌 SpacePicture of a Day: Red Sprites in the Tatacoa Desert 🪐
Is there an angry Sith using force lightning in the Tatacoa Desert? This is not science fiction, but a red sprite with multiple streamers! Ordinary lightning occurs when thundercloud particles collide,
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🌌 SpacePicture of a Day: Double Lobed Asteroid Torifune 🪐
Why is this asteroid a double? Earlier this month the Japanese robotic spacecraft Hayabusa2 shot past asteroid 98943 Torifune and captured pictures. Although previous observations from distant Earth indicated
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🌌 SpacePicture of a Day: Galaxy NGC 474: Shells and Star Streams 🪐
What's happening to galaxy NGC 474? The multiple layers of emission appear strangely complex given the relatively featureless appearance of the elliptical galaxy in less deep images. The cause of the shells
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🌌 SpacePicture of a Day: Messier 24: Sagittarius Star Cloud 🪐
Unlike most entries in Charles Messier's famous catalog of deep sky objects, M24 is not a bright galaxy, star cluster, or nebula. It's a gap in nearby, obscuring interstellar dust clouds that allows a
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🌌 SpacePicture of a Day: The Red Glow of the Cosmic Bat Nebula 🪐
This Cosmic Bat wishes you a happy Summerween! This mid-year celebration of Halloween transcends hemispheres, even though summer in the Northern hemisphere is winter in the South. Contrary to its eery
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🌌 SpacePicture of a Day: NGC 6188: Dragons of Ara 🪐
Where can you find dragons fighting in the night sky? In the southern constellation of the Altar: Ara. The dragons are, of course, actually made of suggestively shaped gas and dust. The celestial home
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🌌 SpacePicture of a Day: Dueling Bands over the Atacama Desert 🪐
What are these two bands in the sky? The more commonly seen band is on the left and is the central band of our Milky Way galaxy. Our Sun orbits in the disk of this spiral galaxy so that from inside, it
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🌌 SpacePicture of a Day: Saturn's Iapetus: Painted Moon 🪐
What has happened to Saturn's moon Iapetus? Vast sections of this strange world are dark as coal, while others are as bright as snow. To help better understand this unusually tinted moon, in 2007 NASA
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🌌 SpacePicture of a Day: Pathfinder on Mars 🪐
On July 4th, 1997, using its own array of fireworks, a parachute, and a cocoon of airbags, the Mars Pathfinder spacecraft bounced like a giant beach ball at least 15 times before it came to rest on the
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🌌 SpacePicture of a Day: Three Galaxies in Pavo 🪐
Some 190 million light-years away, far beyond the bright stars and nebulae of the Milky Way, these three galaxies are drawn together by gravity in a mesmerizing cosmic dance. Clearly distorted by
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🌌 SpacePicture of a Day: Sibling Supernova Remnants 🪐
What happens when one of the stars in a binary goes supernova? This image combines visible (yellow), ultraviolet (purple) and infrared light (cyan, red and orange) to show two supernova remnants and their
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🌌 SpacePicture of a Day: Unusually Smooth Sections of Asteroid Itokawa 🪐
Why are parts of this asteroid's surface so smooth? The answer seems likely to do with the dynamics of an asteroid that is a loose pile of rubble rather than a solid rock. The unusual asteroid Itokawa
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🌌 SpacePicture of a Day: M82: Galaxy with a Supergalactic Wind 🪐
Why is the Cigar Galaxy billowing red smoke? M82, as this starburst galaxy is also known, was stirred up by a recent pass near large spiral galaxy M81. This doesn't fully explain the source of the red-glowing
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🌌 SpacePicture of a Day: AR 4478: Giant Sunspot Group 🪐
Right now, one of the largest sunspot groups in recent history is crossing the Sun. Active Region 4478 is not only big -- it's violent, showing tangled magnetic fields capable of throwing off huge clouds
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🌌 SpacePicture of a Day: Mars Marathon by Perseverance 🪐
In this recent HiRISE view from the Mars Reconnaissance Orbiter, the little green dot indicated on the surface of the big Red Planet is the Perseverance Mars rover. Recorded on June 13, the car-sized,
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🌌 SpacePicture of a Day: Anticrepuscular Rays over Sicily 🪐
The Sun has just set... in the opposite side of the sky. Pictured here are anticrepuscular rays apparently converging in the east in this image of the limestone plateau in the heart of the Hyblaean Mountains
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