Remnant

 

Astronomy Picture of the Day: Cygnus Shell Supernova Remnant W63

The ghost of a long-dead star, the W63 supernova remnant shines like a faint cosmic smoke-ring along the plane of the Milky Way galaxy toward the northern constellation Cygnus the swan.

Astronomy Picture of the Day: Supernumerary Rainbows over New Jersey

Yes, but can your rainbow do this?

Astronomy Picture of the Day: The Lonely Neutron Star in Supernova Remnant E0102-72.3

Why is this neutron star off-center? Recently a lone neutron star has been found within the debris left over from an old supernova explosion. The "lonely neutron star" in question is the blue dot at the center of the red nebula near the bottom left

Astronomy Picture of the Day: Along the Western Veil

Delicate in appearance, these filaments of shocked, glowing gas, are draped across planet Earth's sky toward the constellation of Cygnus.

Astronomy Picture of the Day: Perseid Fireball and Persistent Train

Before local midnight on August 12, this brilliant Perseid meteor flashed above the Poloniny Dark Sky Park, Slovakia, planet Earth. Streaking beside the summer Milky Way, its initial color is likely due to the shower meteor's characteristically high

Astronomy Picture of the Day: The Pencil Nebula in Red and Blue

This shock wave plows through interstellar space at over 500,000 kilometers per hour.

Astronomy Picture of the Day: Star Trails and the Bracewell Radio Sundial

Sundials use the location of a shadow to measure the Earth's rotation and indicate the time of day.

Astronomy Picture of the Day: The Gum Nebula Expanse

Named for a cosmic cloud hunter, Australian astronomer Colin Stanley Gum (1924-1960), The Gum Nebula is so large and close it is actually hard to see.

Astronomy Picture of the Day: NGC 6960: The Witch's Broom Nebula

Ten thousand years ago, before the dawn of recorded human history, a new light would have suddenly have appeared in the night sky and faded after a few weeks

Astronomy Picture of the Day: Sharpless 249 and the Jellyfish Nebula

Normally faint and elusive, the Jellyfish Nebula is caught in this alluring telescopic image

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