Earth’s mass
December 8, 2025
Earths mass is a very large unit that tells how heavy our planet is and helps scientists compare the size of other planets to Earth.
Earths mass is a very large unit that tells how heavy our planet is and helps scientists compare the size of other planets to Earth.
Deuteron mass tells us how heavy the nucleus of heavy hydrogen is and helps scientists understand atoms, energy and nuclear reactions.
Learn what neutron mass is, its exact value, how it compares to other particles, and how to convert it into kilograms, atomic mass units, and energy units.
Proton mass is the amount of matter in a single proton, which helps scientists measure atoms, compare particles and understand how the universe is built.
Muon mass is the standard size of matter for the muon particle, helping scientists describe its weight, energy and behavior in modern physics experiments and space studies.
Learn what electron rest mass means, why it matters in science, and how it is used as a tiny unit of mass in physics and chemistry.
Planck mass is a special tiny mass built from nature constant numbers that helps scientists study gravity and quantum physics together.
Learn what the gerah is, an ancient Bible unit for weight and money, how big it was, and how it compares to grams and modern money.
A bekan is an old Bible weight that means half a shekel and helps us understand money and measurements in ancient Israel.
The Biblical Hebrew shekel was an old unit of weight and money, mainly made of silver, that people used in the Bible lands to measure value.