Science & Nature
Disturbing image of the day... Coloured scanning electron micrograph (SEM) of a single dust mite among skin scales in housedust
The Seagull Nebula Image Credit & Copyright: Michael Sidonio Explanation: This broad expanse of glowing gas and dust presents a bird-like visage to astronomers from planet Earth, suggesting its popular moniker - The Seagull Nebula. This portrait of the cosmic bird covers a 1.6 degree wide swath across the plane of the Milky Way, near the direction of Sirius, alpha star of the constellation Canis Major...
The Seagull Nebula
April 2010 Planetary Nebula Mz3: The Ant Nebula Credit: R. Sahai (JPL) et al., Hubble Heritage Team, ESA, NASA Planetary nebula Mz3 is being cast off by a star similar to our Sun that is, surely, round. Why then would the gas that is streaming away create an ant-shaped nebula that is distinctly not round? Clues might include the high 1000-kilometer per second speed of the expelled gas, the light-year long length of the structure, & the magnetism of the star visible above @ the nebula's center.
Planetary Nebula Mz3: The Ant Nebula