11 Billion-Year-Old Kingdom Sends Red Signal to Earthlings
Not only does it disguise itself as a shining star in the sky, but a mysterious black hole also "blinds" people on Earth. However, what the black hole conceals has ...
Tag: standard candle
Discovery of the Strongest “Monster Herd” in the Universe, More Terrifying than a Black Hole
The NASA Hubble Space Telescope has captured a stunning image of a series of quasars - a form of black holes masquerading as extremely bright stars - emitting powerful beams ...
How Vast is the Universe?
To calculate significant and precise measurements on a galactic or cosmic scale, a precise constant is needed as a reference point. One could say that the Hubble constant is as ...
