Aug 25
Flying 423 miles above Earth, the Ikonos satellite offers a space-age peek at ten ancient observatories built by cultures from long ago.
Aug 25
It’s also known as the Sculptor Galaxy or NGC 253.
Aug 25
NASA’s Hubble Space Telescope has found an answer to a long-standing puzzle by resolving giant but delicate filaments shaped by a strong magnetic field around the active galaxy NGC 1275. It is the most striking example of the influence of the immense tentacles of extragalactic magnetic fields, say researchers.