Understanding the gas from which stars form is a fundamental goal in astrophysics. This is a pressing issue for pristine galaxies — those low in heavy elements, known as metals — whose growth remains ...

Theoretical predictions have been confirmed with the discovery of an outflow of molecular gas from a quasar when the Universe was less than a billion years old. Theoretical predictions have been ...

The discovery of molecular gas getting spewed from a quasar that existed around 13 billion years ago confirms some star-formation theories. When you purchase through links on our site, we may earn an ...

Back in the early 2000s, some controversy emerged about the practice of spraying large amounts of fog directly into the compressor. Some claimed that this led to blade erosion, pitting, and scaling.