Codon Codon is a combination of three successive nucleotides in a DNA or RNA strand. All the nucleic acids, DNA and RNA, have nucleotides sequenced as a set of codons. Each nucleotide consists of a nitrogenous base, one of A, C, T/U, or G.
The terms solar eclipse and a lunar eclipse refer to events involving three celestial bodies: the Sun (âsolarâ), the Moon (âlunarâ), and the Earth. A solar eclipse occurs when the Moon lines up precisely in front of the Earth so that the Moon blocks the Sunâs rays and the Moonâs shadow falls upon the Earth.
Lunar eclipses occur when the Earth is between the Sun and the Moon and the Moon is in the shadow of the Earth. Is this what the children are demonstrating? A solar eclipse occurs when the Moon is between the Sun and Earth.