... central star of the nebula is 40 times more massive than the Sun and is responsible for a stellar wind moving at 2,000 kilometers per second (4 million miles per hour or 7 million kilometers per hour) which propels particles off the surface of the star ...
... star that exploded in the year 1054 and also left behind a pulsar , i.e., a rotating ... and unlike younger isolated neutron stars or neutron stars in binary stellar systems ...
... The Flame Nebula is part of the Orion Molecular Cloud Complex , a star-forming region that includes the famous Horsehead Nebula ... Tomorrow's picture: Rocket Trails . < Archive | Index | Search | ...
... in the compositions and locations of future generations of stars and star systems ... star at the centre of the nebula and which is the remnant core of the exploded star ...
... Barnard discovered Jupiter 's satellite Amalthea and Barnard's star, the second-nearest star system to the Sun. ... apex of the triangle is known as the leading Lagrange point or L4; the trailing apex is the trailing Lagrange point or L5 ...
... stars in the Milky Way Galaxy are essentially confined to a relatively thin disk and ... galaxies than stars, and at magnitude 24.5 the galaxies outnumber the stars by a ...
... The diagonal line at lower right is an artificial satellite trail. ... in the constellation of Andromeda a few degrees from the star Alpheratz in the northeast corner of the constellation Pegasus ...
... The degree of brightness of a celestial body designated on a numerical scale, on which the brightest star has magnitude -1.4 and the faintest visible star has magnitude 6, with the scale rule such that a decrease of one unit represents an increase in ...