This June 2020 image from the Hubble Space Telescope shows the galaxy cluster MACS J0416. This is one of six galaxy clusters being studied by the Hubble Frontier Fields program, which produced the deepest images of gravitational lensing ever made. Scientists used intracluster light (visible in blue) to study the distribution of dark matter within the cluster.

Image Credit: NASA, ESA and M. Montes (University of New South Wales)

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yuzhou shan

美不胜收,我们现在能看到的宇宙天体范围,只是无限宇宙的一粒尘埃而已,就象现在再先进的设备所探测的到的物质也是微不足道的。