A new image from the James Webb Space Telescope shows Arp 107, home to two merging galaxies, with two bright cores and a "bridge" of dust and gas forming a cosmic smiley face.
KW Sagittarii: It is one of the largest stars in the Milky Way, with a radius 100 times larger than the sun. It is located about 10,000 light-years from the sun. R136a1: It is a star in the Tarantula ...
Looking at a distant galaxy means looking back in time.