Megameter (Mm)
Definition: A megameter (Mm) is a unit of length equal to one million meters (10^6 meters). It is used to measure large distances in both geography and astronomy.
History: The megameter was introduced alongside other metric units to standardize measurements of large distances. It has been mainly used in astronomical contexts to simplify expressions of distances in space.
Current Use: Megameters are used in astronomy to describe distances between astronomical objects such as the Earth and the Sun. They also appear in some applications in geology and planetary science.
Terameter (Tm)
Definition: A terameter (Tm) is a unit of length equal to one trillion meters (10^12 meters). It is primarily used to describe extremely large distances, especially in the field of astronomy.
History: The terameter was introduced in the metric system to measure vast distances that were not feasible with smaller units like kilometers or megameters. It aids in quantifying intergalactic distances.
Current Use: Terameters are most commonly used in astronomy for measuring distances between distant celestial bodies, such as stars, galaxies, and nebulae. It helps scientists communicate the vast scale of the universe.
Quick Conversion Table Megameter (Mm) to Terameter (Tm)
1 Megameter (Mm) equal to 0.000001 Terameter (Tm)
5 Megameter (Mm) equal to 0.000005 Terameter (Tm)
10 Megameter (Mm) equal to 0.00001 Terameter (Tm)
20 Megameter (Mm) equal to 0.00002 Terameter (Tm)
30 Megameter (Mm) equal to 0.00003 Terameter (Tm)
50 Megameter (Mm) equal to 0.00005 Terameter (Tm)
75 Megameter (Mm) equal to 0.000075 Terameter (Tm)
100 Megameter (Mm) equal to 0.0001 Terameter (Tm)