ursa

 Space

SpaceX Dragon undocks

Horsehead Nebula or Barnard 33, Jose Jimenez Priego

African mosaic, Copericus, Cloud free mosiac

Milky Way arcs over the Caldera de Taburiente National Park in L

James Webb Space Telescope Mirror

Colourful Naukluft Park, Namibia, Sentinel-2A

Bubble Nebula, Hubble

Solar system planets

Moon phases tumblr, weirdly-preferenceless

13 kW electric Hall Thruster

High Bay 3, Vehicle Assembly Bldg. NASA

Kwikpapers - Tumblr

A Window to the Universe, McCall

Space Walk, Scott Kelly

Sunrise from ISS, ESA

Underwater training, NASA, ESS

Dragon, SpaceX

Columbia touches down 4:14:1981

70m Antenna, Goldstone, CA, Deep Space Ntw. JPL

Bigelow Aerospace creating Expandable Module, Image, NOT a photo