iotman (3)in #science • 2 days ago🌌 SpacePicture of a Day: Uranus's Largest Moon: Titania 🪐Titania's tortured terrain is a mix of canyons, cliffs, and craters. NASA's interplanetary robot spacecraft Voyager 2 passed the largest moon of Uranus in 1986 and took the…iotman (3)in #science • 3 days ago🌌 SpacePicture of a Day: Peculiar Elliptical Galaxy Centaurus A 🪐What's happened to the center of this galaxy? Dramatic dust lanes run across the center of unusual elliptical galaxy Centaurus A. These dust lanes are so thick they almost…iotman (3)in #science • 4 days ago🌌 SpacePicture of a Day: A Message from Earth 🪐What are these Earthlings trying to tell us? The featured message was broadcast from Earth towards the globular star cluster M13 in 1974. During the dedication of an upgrade to…iotman (3)in #science • 5 days ago🌌 SpacePicture of a Day: Robert Goddard and Nell 🪐Robert H. Goddard, considered the father of modern rocketry, was born in Worcester Massachusetts in 1882. As a 16 year old, Goddard read H.G. Wells' science fiction classic "War…iotman (3)in #science • 6 days ago🌌 SpacePicture of a Day: Hickson 44 in Leo 🪐Scanning the skies for galaxies, Canadian astronomer Paul Hickson and colleagues identified some 100 compact groups of galaxies, now appropriately called Hickson Compact Groups.…iotman (3)in #science • 7 days ago🌌 SpacePicture of a Day: Black Holes and Neutron Stars: 218 Mergers and Counting 🪐What is the sound of two black holes merging in deep space? Sound waves don't propagate in vacuum, but gravitational waves do. In 2015 we were able to "hear" them for the first…iotman (3)in #science • 8 days ago🌌 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…iotman (3)in #science • 10 days ago🌌 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…iotman (3)in #science • 12 days ago🌌 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…iotman (3)in #science • 13 days ago🌌 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…iotman (3)in #science • 14 days ago🌌 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…iotman (3)in #science • 15 days ago🌌 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…iotman (3)in #science • 17 days ago🌌 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…iotman (3)in #science • 18 days ago🌌 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…iotman (3)in #science • 19 days ago🌌 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…iotman (3)in #science • 20 days ago🌌 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…iotman (3)in #science • 22 days ago🌌 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…iotman (3)in #science • 23 days ago🌌 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…iotman (3)in #science • 24 days ago🌌 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…iotman (3)in #science • 25 days ago🌌 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 --…
