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- The repulsive force between the positively-charged nuclei overcomes the force of gravity, and the core recoils out from the heart of the star in an explosive shock wave. In one of the most spectacular events in the Universe, the shock propels the material away from the star in a tremendous explosion called a supernova.
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Sep 23, 2019 · The immense gravity of black holes also distorts space itself, so it is possible to see the influence of an invisible gravitational pull on stars and other objects. More ›. In 2015, researchers discovered a black hole named CID-947 that grew much more quickly than its host galaxy.
Feb 29, 2024 · An orbit is the path that a celestial body follows as it moves around another body in space due to the gravitational pull of the larger body. This gravitational force is the central factor that initiates and maintains orbits.
At the beginning of the end of a star’s life, its core runs out of hydrogen to convert into helium. The energy produced by fusion creates pressure inside the star that balances gravity’s tendency to pull matter together, so the core starts to collapse.
Apr 10, 2022 · Interstellar dust can be detected: (1) when it blocks the light of stars behind it, (2) when it scatters the light from nearby stars, and (3) because it makes distant stars look both redder and fainter. These effects are called reddening and interstellar extinction, respectively.
Sep 23, 2021 · About 75% of the mass of the star is ejected into space in the supernova. The fate of the left-over core depends on its mass. If the left-over core is about 1.4 to 5 times the mass of our Sun, it will collapse into a neutron star.
May 31, 2016 · Could our own Milky Way be moving through space like an edge-on spinning disc, obscuring the very source of a distant gravitational attractor?
May 6, 2022 · Black holes are expected to form via two distinct channels. According to the first pathway, they are stellar corpses, so they form when massive stars die.
