Category: Astronomy

Cartwheel of Fortune : By chance, a collision …

Cartwheel of Fortune : By chance, a collision of two galaxies has created a surprisingly recognizable shape on a cosmic scale, The Cartwheel Galaxy. The Cartwheel is part of a group of galaxies about 500 million light years away in the constellation Sculptor. Two smaller galaxies in the group are visible on the right. The Cartwheel Galaxy’s rim is an immense ring-like structure 150,000 light years in diameter composed of newly formed, extremely bright, massive stars. When galaxies collide they pass through each other, their individual stars rarely coming into contact. Still, the galaxies’ gravitational fields are seriously distorted by the collision. In fact, the ring-like shape is the result of the gravitational disruption caused by a small intruder galaxy passing through a large one, compressing the interstellar gas and dust and causing a a star formation wave to move out from the impact point like a ripple across the surface of a pond. In this case the large galaxy may have originally been a spiral, not unlike our own Milky Way, transformed into the wheel shape by the collision. But … what happened to the small intruder galaxy? via NASA

Flying Through an Aurora (desktop/laptop)Clic…

Flying Through an Aurora (desktop/laptop)

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Orion Recovery (desktop/laptop)Click the imag…

Orion Recovery (desktop/laptop)

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Barnard 68

Barnard 68

A dark molecular cloud

Next Mars Lander Spreads Its Solar Wings : Thi…

Next Mars Lander Spreads Its Solar Wings : This image shows NASA’s InSight lander after it was commanded to deploy its solar arrays to test and verify the exact process that it will use on the surface of the Red Planet. (via NASA)

The Cartwheel Galaxy Makes Waves (desktop/lap…

The Cartwheel Galaxy Makes Waves (desktop/laptop)

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Jamming with the ‘Spiders’ from Ma…

Jamming with the ‘Spiders’ from Mars via NASA https://ift.tt/2LgTC42

Galaxies in Pegasus (desktop/laptop)Click the…

Galaxies in Pegasus (desktop/laptop)

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Signs of Ships in the Clouds : Ships churning …

Signs of Ships in the Clouds : Ships churning through the Atlantic Ocean produced this patchwork of bright, criss-crossing cloud trails off the coast of Portugal and Spain. (via NASA)

Birth of a Planetary System (desktop/laptop)C…

Birth of a Planetary System (desktop/laptop)

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