iotman (49)in #science • 16 hours ago🌌 SpacePicture of a Day: LDN 1235: The Shark Nebula 🪐There is no sea on Earth large enough to contain the Shark nebula. This predator apparition poses us no danger as it is composed only of interstellar gas and dust. Dark dust like…iotman (49)in #science • 3 days ago🌌 SpacePicture of a Day: Venus and the Triply Ultraviolet Sun 🪐This was a very unusual type of solar eclipse. Typically, it is the Earth's Moon that eclipses the Sun. In 2012, though, the planet Venus took a turn. Like a solar eclipse by…iotman (49)in #science • 4 days ago🌌 SpacePicture of a Day: Tololo Totality 🪐On March 14 the Moon was Full. In an appropriate celebration of Pi day, that put the Moon 3.14 radians (180 degrees) in ecliptic longitude from the Sun in planet Earth's sky. As…iotman (49)in #science • 5 days ago🌌 SpacePicture of a Day: Moon Pi and Mountain Shadow 🪐What phase of the Moon is 3.14 radians from the Sun? The Full Moon, of course. Even though the Moon might look full for several days, the Moon is truly at its full phase when it…iotman (49)in #science • 6 days ago🌌 SpacePicture of a Day: The Protostars within Lynds 483 🪐Two protostars are hidden in a single pixel near the center of a striking hourglass-shaped nebula in this near-infrared image from the James Webb Space Telescope. The actively…iotman (49)in #science • 8 days ago🌌 SpacePicture of a Day: NGC 1672: Barred Spiral Galaxy from Hubble 🪐Many spiral galaxies have bars across their centers. Even our own Milky Way Galaxy is thought to have a modest central bar. Prominently barred spiral galaxy NGC 1672, featured…iotman (49)in #science • 9 days ago🌌 SpacePicture of a Day: NGC 1499: The California Nebula 🪐Could Queen Calafia's mythical island exist in space? Perhaps not, but by chance the outline of this molecular space cloud echoes the outline of the state of California, USA. Our…iotman (49)in #science • 10 days ago🌌 SpacePicture of a Day: Cyclones at Jupiter's North Pole 🪐Why are there so many cyclones around the north pole of Jupiter? The topic is still being researched. NASA's robotic Juno mission orbiting Jupiter took data in 2018 that was…iotman (49)in #science • 11 days ago🌌 SpacePicture of a Day: Galaxies in Space 🪐The plane of our Milky Way galaxy extends beyond the limb of planet Earth in this space age exposure captured by astronaut Don Pettit. His camera, with low light and long…iotman (49)in #science • 12 days ago🌌 SpacePicture of a Day: Planetary Nebula Abell 7 🪐Very faint planetary nebula Abell 7 is about 1,800 light-years distant. It lies just south of Orion in planet Earth's skies toward the constellation Lepus, The Hare. Surrounded…iotman (49)in #science • 13 days ago🌌 SpacePicture of a Day: Starburst Galaxy Messier 94 🪐Beautiful island universe Messier 94 lies a mere 15 million light-years distant in the northern constellation of the hunting dogs, Canes Venatici. A popular target for…iotman (49)in #science • 14 days ago🌌 SpacePicture of a Day: Seven Sisters versus California 🪐On the right, dressed in blue, is the Pleiades. Also known as the Seven Sisters and M45, the Pleiades is one of the brightest and most easily visible open clusters on the sky.…iotman (49)in #science • 15 days ago🌌 SpacePicture of a Day: A Quadruple Alignment over Italy 🪐Why does this Moon look so unusual? A key reason is its vivid red color. The color is caused by the deflection of blue light by Earth's atmosphere -- the same reason that the…iotman (49)in #science • 18 days ago🌌 SpacePicture of a Day: Blue Ghost to the Moon 🪐With spacecraft thrusters at top center, the rugged surface of the Moon lies below the Blue Ghost lander in this space age video frame. The view of the lunar far side was…iotman (49)in #science • 19 days ago🌌 SpacePicture of a Day: Athena to the Moon 🪐Planet Earth hangs in the background of this space age selfie. The snapshot was captured by the IM-2 Nova-C lander Athena, just after stage separation following its February 26…iotman (49)in #science • 20 days ago🌌 SpacePicture of a Day: Open Star Clusters M35 and NGC 2158 🪐Framed in this single, starry, telescopic field of view are two open star clusters, M35 and NGC 2158. Located within the boundaries of the constellation Gemini, they do appear to…iotman (49)in #science • 21 days ago🌌 SpacePicture of a Day: Einstein Ring Surrounds Nearby Galaxy Center 🪐Do you see the ring? If you look very closely at the center of the featured galaxy NGC 6505, a ring becomes evident. It is the gravity of NGC 6505, the nearby (z = 0.042)…iotman (49)in #science • 23 days ago🌌 SpacePicture of a Day: Light Pillar over Erupting Etna 🪐Can a lava flow extend into the sky? No, but light from the lava flow can. One effect is something quite unusual -- a volcanic light pillar. More typically, light pillars are…iotman (49)in #science • 24 days ago🌌 SpacePicture of a Day: Saturn in Infrared from Cassini 🪐Saturn looks slightly different in infrared light. Bands of clouds show great structure, including long stretching storms. Also quite striking in infrared is the unusual…iotman (49)in #science • 25 days ago🌌 SpacePicture of a Day: Rima Hyginus 🪐Rima Hyginus is a spectacular fissure, some 220 kilometers long, found near the center of the lunar near side. Easy to spot in telescopic views of the Moon, it stretches top left…
