The Big Bang Theory started to gain attention in the 1920s thanks to a scientist named Edwin Hubble. ๐ญ
He discovered that galaxies are moving away from us, meaning the universe is expanding! ๐
In 1948, scientists George Gamow, Ralph Alpher, and Robert Herman explained how the universe might have formed from a super hot ball of energy. Their ideas were confirmed in 1965 when two scientists, Arno Penzias and
Robert Wilson, found leftover heat from the Big Bang, called Cosmic Microwave Background Radiation. ๐ฐ
๏ธ Throughout the decades, scientists have worked hard to learn more about this amazing event!