Space science
Meteors bring blue stones like emeralds to Earth
The blue stone that resembles emeralds may have come to Earth through the largest meteorite explosion in human history.
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The blue stone that resembles emeralds may have come to Earth through the largest meteorite explosion in human history.
The galaxy, called NGC 1187, was discovered in 1784 by the English astronomer William Herschel. Far from being calm and unchanging, it has
A shooting star has exploded brilliantly in the sky in South Africa, but experts have not been able to determine where this cosmic visitor landed.
Core-collapse supernovae (also called gravitational supernovae) is one of the most violent phenomena in the universe.