Galactic Pyrotechnics From 23 Million Light Years Away

NGC 4258, a galaxy about 23 million light years away, is the site of impressive, ongoing fireworks. via NASA https://ift.tt/36jMD4U

Exploring the Night Sky with Hubble’s Caldwell Catalog

This loose collections of stars, known as an open star cluster, is image 100 of the Caldwell catalog. via NASA https://ift.tt/2tZEcx6

Astronaut Christina Koch Poised to Make History Again

NASA astronaut Christina Koch makes observations from the International space Station's cupola. via NASA https://ift.tt/39bcL3w

Morocco's Anti-Atlas Mountains

The Anti-Atlas Mountains of Morocco formed as a result of the collision of the African and Eurasian tectonic plates about 80 million years ago. via NASA https://ift.tt/2ZoF0qU

Stellar Snowflake Cluster

The newly revealed infant stars appear as pink and red specks toward the center and appear to have formed in regularly spaced intervals along linear structures. via NASA https://ift.tt/35QZqLP

Hubble’s Close-Up of Spiral’s Disk, Bulge

​This image from the NASA/ESA Hubble Space Telescope shows IC 2051, a galaxy in the southern constellation of Mensa (the Table Mountain) lying about 85 million light-years away. It is a spiral galaxy, as evidenced by its characteristic whirling, pinwheeling arms, and it has a bar of stars slicing through its center. via NASA https://ift.tt/2PI3F6T

This Week in NASA History: 3rd Hubble Servicing Mission – Dec. 19, 1999

This week in 1999, space shuttle Discovery, mission STS-103, launched from NASA’s Kennedy Space Center on the third Hubble Space Telescope servicing mission. via NASA https://ift.tt/38QQgRl