Αννα Μπεθανη

Αννα Μπεθανη

Αννα Μπεθανη
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Image of the Year: Billion-Year Old "Black Widow" Pulsar Ripping Through Milky Way at 1 Million KPH.

The "Black Widow" pulsar is zipping through the galaxy at a speed of almost a million kilometers per hour. A bow shock wave due to this motion is visible to optical telescopes, shown in this image as the greenish crescent.

Portion of the M8 Lagoon Nebula

The Lagoon Nebula ~ captured in all its psychedelic glory by the Gemini Observatory in Hawaii. An all-time favorite of sky-watchers on both hemispheres, the Lagoon Nebula (Messier or is among the most striking examples of a stellar nursery in our n