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Massive Stars and their approximate Size

Astronomers have found massive stars in the early universe, primarily located in distant galaxies that formed shortly after the Big Bang. These regions are often studied through advanced telescopes capable of observing very distant light, such as the Hubble Space Telescope and the upcoming James Webb Space Telescope. In terms of size, these monster stars can have diameters ranging from about 100 to over 300 times that of our Sun. The Sun’s diameter is approximately 1.4 million kilometers (about 864,000 miles), so these massive stars could be approximately 140 million to over 420 million kilometers (about 87 million to 261 million miles) in diameter.
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360 Video: Curiosity rover departs Vera Rubin Ridge

After exploring Mars' Vera Rubin Ridge for more than a year, NASA's Curiosity rover recently moved on. But a new 360-video lets the public visit Curiosity's final drill site on the ridge, an area nicknamed "Rock Hall." The video was created from a panorama taken by the rover on Dec. 19. It includes images of its next destination—an area the team has been calling the "clay-bearing unit" and recently named "Glen Torridon—and the floor of Gale Crater, home to Mount Sharp, the geological feature the rover has been climbing since 2014.

from Space Exploration News - Space News, Space Exploration, Space Science, Earth Sciences http://bit.ly/2SCPOAJ
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