In Nature
Most interstellar hydrogen is in the form of atomic hydrogen because the atoms can seldom collide and combine. They are the source of the important 21 cm hydrogen line in astronomy at 1420 MHz.
Read more about this topic: Nascent Hydrogen
Famous quotes containing the word nature:
“The savior who wants to turn men into angels is as much a hater of human nature as the totalitarian despot who wants to turn them into puppets.”
—Eric Hoffer (1902–1983)
“O Lady! we receive but what we give,
And in our life alone does Nature live:”
—Samuel Taylor Coleridge (1772–1834)