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 idiot, the Indian, the child and unschooled farmer’s boy, stand nearer to the light by which nature is to be read, than the dissector or the antiquary.”
—Ralph Waldo Emerson (1803–1882)
“Love may be the fairest gem which Society has filched from Nature; but what is motherhood save Nature in her most gladsome mood? A smile has dried my tears.”
—Honoré De Balzac (1799–1850)