Cone Nebula, 2500 light-years from Earth as
seen by the Hubble Telescope. This enormous pillar of gas and dust is about 2.5
light-years high. The origin of these pillars is still debated, but their size compared to
volcanic explosion columns is enormous. (This does not imply that they may or may not
have formed by some gigantic cosmic explosion.) Photo by Hubble Space Telescope. Return to Archive or go to Next Photo.
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