March 5, 2020
Light takes eight minutes to travel from the Sun to the Earth. It took the universe 13.8 billion years to make you.
The Light, the Dark, and the Dusty
Birthday · March 5, 2020
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APOD published March 5, 2020. Credit: Casey Good. A publication-date match, not a photo taken on your date. Independent of NASA.
This colorful skyscape spans about four full moons across nebula rich starfields along the plane of our Milky Way Galaxy in the royal northern constellation Cepheus. Near the edge of the region's massive molecular cloud some 2,400 light-years away, bright reddish emission region Sharpless (Sh) 155 is left of center, also known as the Cave Nebula. About 10 light-years across the cosmic cave's bright walls of gas are ionized by ultraviolet light from the hot young stars around it. Dusty blue reflection nebulae, like vdB 155 at lower right, and dense obscuring clouds of dust also abound on the interstellar canvas. Astronomical explorations have revealed other dramatic signs of star formation, including the bright red fleck of Herbig-Haro (HH) 168. Below center in the frame, the Herbig-Haro object emission is generated by energetic jets from a newborn star.
Image credit: Casey Good