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:
“It is the nature of the artist to mind excessively what is said about him. Literature is strewn with the wreckage of men who have minded beyond reason the opinions of others.”
—Virginia Woolf (1882–1941)
“Art compares to nature like wine to the grape.”
—Franz Grillparzer (1791–1872)