标签： early universe

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Earendel晨星：早期宇宙的恒星

2022年4月6日 Earendel: A Star in the Early Universe Image Credit: NASA, ESA, B. Welch (JHU), D. Coe (STScI); Processing: A. Pagan (STScI) Explanation: Is Earendel the farthest star yet discovered? This scientific possibility started when the Hubble Space Telescope observed a huge cluster of galaxies. The gravitational lens effect of this cluster was seen to mag...

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模拟：第一代恒星的形成

2021年06月30日 Simulation: Formation of the First Stars Video Credit: Harley Katz (U. Oxford) et al. Explanation: How did the first stars form? To help find out, the SPHINX computer simulation of star formation in the very early universe was created, some results of which are shown in the featured video. Time since the Big Bang is shown in millions of years on ...