How Will Our Sun Die?
Scientists say our Sun has been shining for about the last 4.6 billion years. They also say the Sun is expected to have enough hydrogen to fuel nuclear fusion in its core to allow it to continue shining as it has for about another 5 billion years. Along with creating solar energy, the Sun’s hydrogen […]
NASA’s NuStar Mission Finds Rare Pulsar that Pumps Out the Energy of 10 Million Suns
This animation shows a neutron star—the core of a star that exploded in a massive supernova. This particular neutron star is known as a pulsar because it sends out rotating beams of X-rays that sweep past Earth like lighthouse beacons. (NASA/JPL-Caltech) NASA’s Nuclear Spectroscopic Telescope Array (NuSTAR) mission recently made a remarkable discovery that could […]