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The most recent figure established in 2017 by Ryder Windham gives the second Death Star a radius of 200 kilometres (120 mi). [32] The second Death Star is featured on the cover of the book Star Wars: Aftermath (2015), which also features many flashbacks to the destruction of the second Death Star, as well as the events directly after its ...
Comparison of Sirius A and the Sun, to scale and relative surface brightness. Sirius A, also known as the Dog Star, has a mass of 2.063 M ☉. [12] [18] [89] The radius of this star has been measured by an astronomical interferometer, giving an estimated angular diameter of 5.936±0.016 mas.
Below are lists of the largest stars currently known, ordered by radius and separated into categories by galaxy. The unit of measurement used is the radius of the Sun (approximately 695,700 km; 432,300 mi). [1] The Sun, the orbit of Earth, Jupiter, and Neptune, compared to four stars (Pistol Star, Rho Cassiopeiae, Betelgeuse, and VY Canis Majoris)
In an event that sounds more like an episode of 'Star Wars' than one of reality, scientists have discovered evidence of a death star literally ripping a planet apart with its gravity ...
Saturn's moon Mimas is known for its uncanny resemblance to the dreaded Death Star in the original "Star Wars" movie. ... to some only the size of a city block. Mimas, not precisely round, has an ...
Mimas is often compared to the Death Star from the Star Wars franchise because of its large Herschel Crater, which resembles the hollowed-out shape of the fictional space station’s laser weapon.
3C 321 is a system of two galaxies rotating around each other. They are notable for showing the first observed galaxy smiting another galaxy with a blast of energy, which is theorized to be from a supermassive black hole at the center of the former galaxy.
Rapidly-rotating 20 M ☉ stars take 9.3 million years to reach the red supergiant stage, while 20 M ☉ stars with slow rotation take only 8.1 million years. [173] These are the best estimates of Betelgeuse's current age, as the time since its zero age main sequence stage is estimated to be 8.0–8.5 million years as a 20 M ☉ star with no ...