An artist’s illustration of the vicinity of the supermassive black hole in the center of the Milky Way galaxy, known as Sagittarius A* . Astronomers have discovered a population of more than 150 massive young stars (shown as blue dots) in recent years that orbit within 2 light-years from the black hole. Newer […]
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A composite image of the area around the supermassive black hole at the center of the Milky Way, known as Sagittarius A* (Sgr A*), taken with NASA’s Chandra X-ray space telescope. The colors in the main image represent medium, and high-energy X-rays as red, green, and blue respectively. The inset box shows a […] In spite of its immense distance from the Sun, Neptune proved a surprise in terms of the dynamism of its atmosphere. Photo Credit: NASA Twenty-five years ago, this week, humanity braced itself for its last, first-time, close-up glimpse of a new planet in the 20th century. NASA’s Voyager 2 spacecraft, launched in August […] |
 Next Launch NROL-44 on a Delta IV Heavy rocket from Cape Canaveral AFB, FL scheduled for: 26 Sep 20 at 4:14 GMT 26 Sep 20 at 12:14am Eastern 
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