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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: 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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iotman
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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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π SpacePicture of a Day: A Year of Sunspots πͺ
How many sunspots can you see? The central image shows the many sunspots that occurred in 2025, month by month around the circle, and all together in the grand central image. Each sunspot is magnetically
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π SpacePicture of a Day: Miranda Revisited πͺ
What is Miranda really like? Visually, old images from NASA's Voyager 2 have been recently combined and remastered to result in the featured image of Uranus's 500-kilometer-wide moon. In the late 1980s,
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π SpacePicture of a Day: Active Sunspot Region 4366 Crosses the Sun πͺ
An unusually active sunspot region is now crossing the Sun. The region, labelled AR 4366, is much larger than the Earth and has produced several powerful solar flares over the past ten days. In the featured
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π SpacePicture of a Day: Crescent Enceladus πͺ
Peering from the shadows, the Saturn-facing hemisphere of tantalizing inner moon Enceladus poses in this Cassini spacecraft image. North is up in the dramatic scene captured during November 2016 as Cassini's
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π SpacePicture of a Day: Supernova Remnant Cassiopeia A πͺ
Massive stars in our Milky Way Galaxy live spectacular lives. Collapsing from vast cosmic clouds, their nuclear furnaces ignite and create heavy elements in their cores. After only a few million years
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π SpacePicture of a Day: Spiral Galaxy NGC 1512: Wide Field πͺ
Most galaxies don't have any rings -- why does this galaxy have three? To begin, a ring that's near NGC 1512's center -- and so hard to see here -- is the nuclear ring which glows brightly with recently
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π SpacePicture of a Day: Red Spider Planetary Nebula from Webb πͺ
Oh what a tangled web a planetary nebula can weave. The Red Spider Planetary Nebula shows the complex structure that can result when a normal star ejects its outer gases and becomes a white dwarf star.
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