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Lunar eclipse, Mars, auroras and Milky Way by Robert Schwarz on July 28, 2018 at the geographic South Pole https://t.co/fRGtn5Jzvz
This sunset captured by Heidelberg, Germany on April 15, 2019, contains a spot, Sun's active region AR2738 https://t.co/gCxQEtoJn5
Strange shapes and textures can be found in neighborhood of the Cone Nebula. The unusual shapes originate from fine interstellar dust reacting in complex ways with the energetic light and hot gas being expelled by the young stars https://t.co/uDC0U4YJlo
The Rosette Nebula is not the only cosmic cloud of gas and dust to evoke the imagery of flowers but it is the most famous. At the edge of a large molecular cloud in Monoceros some 5,000 ly away, the petals of this cosmic rose are actually a stellar nursery https://t.co/jflsHrq25o
This astronomical sky spanning view is a mosaic from the Pan-STARRS observatory. The images were recorded with its 1.8 meter telescope at the summit of Haleakala on planet Earth's island of Maui https://t.co/fJQ0TsSGdG
Is star AE Aurigae on fire? No. Even though AE Aurigae is named the flaming star, the surrounding nebula IC 405 is named the Flaming Star Nebula, and the region shape gives the appearance of fire https://t.co/9L34uH0m6j
Despite the cold, a chance to view the shimmering northern lights coaxed this skygazer onto the frozen surface of Lake Superior on the west coast of the Keweenaw Peninusla and offered this nocturnal crescendo as a reward https://t.co/tfWbNzfkcI
How this machine, with the help of two people, easily replaces a railroad tie [full video: https://t.co/rBylH8mPoC]
How fluorescein dye can be used to visualize filter feeding currents in sponges https://t.co/9R50spjkGB
Going online like it's 1979 with a TRS-80 [full video: https://t.co/WjB2kdxgC1]