The basic building block of matter. It is made of protons, neutrons, and electrons. There are many different kinds of atoms. For example, the simplest atom with one proton and one electron is a hydrogen atom. An atom with six protons, six neutrons, and six electrons is a carbon atom.
NASA launches commercial studies to facilitate Mars robotic science
NASA launches commercial studies to facilitate Mars robotic science by Clarence Oxford Los Angeles CA (SPX) May 02, 2024 NASA...