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 ...

[See photo of the mysterious green space "blob" ] The findings of the new study are published in the Aug. 18, 2011 issue of the journal Nature. Studying how light is polarized allows astronomers ...

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 strange, green blob lurched across the weather radar Wednesday ... its edges tinged green like a light spring rain, and its middle freckled with stronger shades of yellow. Gibbs couldn’t ...

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 ...