Hubble Unravels a Twisted Cosmic Knot

Hubble Unravels a Twisted Cosmic Knot This Hubble image shows what happens when two galaxies become one. The twisted cosmic knot seen here is NGC 2623 — or Arp 243 — and is located about 250 million light-years away in the constellation of Cancer (The Crab). via NASA http://ift.tt/2xTIy5i

Puerto Rico From the Space Station

Puerto Rico From the Space Station NASA astronaut Joe Acaba photographed Puerto Rico from the cupola of the International Space Station on Oct. 12, 2017. Sharing the image with his followers on social media, he wrote, „Finally a chance to see the beautiful island of Puerto Rico from @Space_Station. Continued thoughts throughout the recovery process.“ via NASA http://ift.tt/2gpX41X

Glorious Sunrise at the Start of a Spacewalk

Glorious Sunrise at the Start of a Spacewalk NASA astronaut Mark Vande Hei exits the International Space Station on Oct. 10, 2017, for a spacewalk in this photograph taken by fellow spacewalker Randy Bresnik. Bresnik wrote, „A glorious sunrise greeted @Astro_Sabot and I at the start of our 2nd #spacewalk. His visor reflection shows the airlock hatch we came out.“ via NASA http://ift.tt/2hExaE6