Science Research.
To answer this question, "we need to go back to the Big Bang," said May Nyman, a professor of
chemistry at Oregon State University. About 75% but why is that?
With just one proton and one electron
(it's the only element without a neutron) — is the simplest element
in the universe, which explains why it's also the most abundant.
(However, an isotope of hydrogen, called deuterium, contains one
protron and one neutron, and another, known as tritium, has one
proton and two neutrons.)
In stars, hydrogen atoms fuse to create
helium, the second most common element in the universe, according
to Encyclopedia.com. Helium has two protons,
two neutrons and two electrons. Together, helium and hydrogen make up
99.9 percent of known matter in the universe.
Radio-Telescopes are
an astronomical instrument consisting of a radio
receiver and an antenna system that is used to detect
radio-frequency radiation between wavelengths of about 10
metres (30 megahertz [MHz]) and 1 mm (300 gigahertz [GHz]) emitted by
extraterrestrial sources, such as stars, galaxies, and quasars.
Worldwide
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