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Because Betelgeuse is so bright, it was only in 1997 that the bow shock was first imaged. The cometary structure is estimated to be at least one parsec wide, assuming a distance of 643 light-years. [178]
Based on this size of the stars, astronomers determined Betelgeuse sits just 530 light-years from Earth — about 25% closer than expected. ... However, even at 530 light-years distance, our ...
This number is likely much higher, due to the sheer number of stars needed to be surveyed; a star approaching the Solar System 10 million years ago, moving at a typical Sun-relative 20–200 kilometers per second, would be 600–6,000 light-years from the Sun at present day, with millions of stars closer to the Sun.
This is a list of star systems within 400–450 light years of Earth. [1] [2] [3] ... Median distance ... Betelgeuse (Alpha Orionis) 408 – 548 +90
Betelgeuse is a red supergiant star about 700 light-years away that serves as the shoulder in the Orion constellation, according to NASA. Given its intense luminosity, Betelgeuse is what ...
This is a list of the nearest supergiant stars to Earth, located at a distance of up to 1,100 light-years (340 parsecs) from Earth. Some of the brightest stars in the night sky, such as Rigel and Antares, are in the list.
Abell 370, a galaxy cluster located nearly 4 billion light-years away from Earth features several arcs of light, including the "Dragon Arc" (lower left of center). ... similar to Betelgeuse in the ...
light-year: 2.254 61 × 10 −8 ... Solar radius is a unit of distance used to express the size of stars in astronomy relative to the Sun. ... Betelgeuse: 764 [10 ...