Physics

Researchers discover large galaxies strip star-making gas from nearby smaller galaxies

Researchers discover large galaxies strip star-making gas from nearby smaller galaxies

Astronomers published new research this week, discovering that small satellite galaxies contain less molecular gas in their centers. The 000 says that large galaxies are known to strip away gas occupying the space between the stars of smaller satellite galaxies. They now know that the larger galaxies can strip away molecular gas at the center of the smaller galaxies, which is the type of gas the smaller galaxies that need to create new stars.

Continue Reading

Scientists measure the shortest unit of time ever

Scientists measure the shortest unit of time ever

A group of scientists has measured the shortest unit of time ever with a measurement of the amount of time it takes a light particle to cross a hydrogen molecule. The measurement is called a zeptosecond and is a trillionth of a billionth of a second. That is a decimal point followed by 20 zeros and a one.

Continue Reading

Researchers discover the fastest possible speed of sound

Researchers discover the fastest possible speed of sound

Scientists from Queen Mary University of London, the University of Cambridge, and the Institute for High Pressure Physics in Troitsk have discovered the fastest possible speed of sound. The upper limit for the speed of sound is 36 kilometers per second. That is about twice as fast as the speed of sound in diamond, which is the hardest known material in the world.

Continue Reading