Artist\'s impression of neutron star. Neutron stars are formed when large stars run out of fuel and collapse. To get a neutron star, you need to have star that’s larger than about solar masses and less than 5 times the mass of the Sun.
ESO's Visible and Infrared Survey Telescope for Astronomy (VISTA) has captured this unusual view of the Helix Nebula (NGC in this space wallpaper. The Helix Nebula is a planetary nebula located 700 light-years away.
Other than a handful of deep sky objects (galaxies, nebulas, star clusters) that can be seen w/ the naked eye, this statement is basically correct. The stars we can see do generally fit inside that circle.
The “Black Widow” pulsar moves at a speed of KM/hr. A bow shock wave is the greenish crescent shape. The pressure behind the bow shock creates a second shock wave that sweeps the cloud of high-energy particles back from the pulsar to form the cocoon.
The black mamba (Dendroaspis polylepis), also called the common black mamba or black-mouthed mamba, is the longest venomous snake in Africa, averaging around to meters to 10 ft) in length, and sometimes growing to lengths of meters ft).