A giant blob of gas and dust far off in the universe ... of ultraviolet light called Lyman-alpha radiation. The light looks green to viewers on Earth, because its wavelength is stretched by ...

Parts of the green blob are collapsing and the resulting pressure ... The blob is the size of our own Milky Way galaxy and it is 650 million light years away. Each light year is about 6 trillion ...

Parts of the green blob are collapsing ... The blob is the size of our own Milky Way galaxy, and it is 650 million light-years away. Each light-year is about 6 trillion miles.

(Also see "Cosmic Blob Pictures: Galactic 'Coming of Age ... Hanny's Voorwerp is the only part of the tail that glows in visible light, because the green cloud was recently doused in radiation ...

A strange mauve light accompanied by “a green blob” appeared to the west of the aurora. “It was this pink arc, and at some time, it extended above me,” said Lach, based in the Canadian ...

A green comet is streaking through the metro Detroit sky, but it may not look like much more than a little green blob, according to ... will be hampered by the light of the moon, Narlock said.