Regeln » entists have used deep-space

A NASAESA Hubble Space Telescope image shows a spiral galaxy NGC 6814 Nick Chubb Womens Jersey , whose luminous nucleus and spectacular sweeping arms, rippled with an intricate pattern of dark dust, is a highly variable source of X-ray radiation, causing scientists to suspect that it hosts a supermassive black hole with a mass about 18 million times that of the Sun. (Courtesy of NASA)
WASHINGTON， Oct. 13 (Xinhua) -- Our universe contains at least two trillion galaxies， making it at least 10 times more crowded than previously thought， a new study said Thursday.


Over the last 20 years， scientists have used deep-space images from the Hubble Space Telescope to estimate that the universe we can see contains around 100 billion galaxies.

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