Science news articles about 'neutral hydrogen'

... as a "plasma", which cannot be detected at the radio frequencies searched. "Searching for neutral hydrogen in quasar host galaxies at such distances is really pushing current radio telescopes to ...

... made the first observations of very fast hydrogen atoms coming from the moon, following decades ... rest of the galaxy. The spacecraft carries the most sensitive neutral atom detectors ever flown in space ...

GREENBELT, Md., June 24 (UPI) -- The U.S. space agency says its Interstellar Boundary Explorer has made the first detection of very fast neutral atoms emanating from the moon.

... s Interstellar Boundary Explorer (IBEX) spacecraft has made the first observations of very fast hydrogen atoms coming from the moon, following decades of speculation and searching for their existence.

... years after the Big Bang. During this period, neutral hydrogen began to form quasars, stars ... anyway. Then, the spectra exhibited a characteristic hydrogen signature clearly indicating a remarkably large ...

... varies with altitude on the Earth). Importantly, the team also found that essentially all galaxies rich in neutral hydrogen seem to form stars. "That means surveys for neutral hydrogen with radio ...

... forms a plasma). While passing through this region, neutral hydrogen and oxygen atoms are partially dragged along by the plasma whereas neutral helium passes straight through. By comparing the ...

... cooled, electrons and protons joined to form neutral hydrogen, and the murk cleared. Some time before 1 billion years after the Big Bang, neutral hydrogen began to form stars in the first ...