Exameter (Em)
Definition: An exameter (Em) is a unit of length equal to 10^18 meters. It is used primarily in theoretical physics and astronomy for describing vast cosmic distances.
History: As the metric system expanded, large-scale units like the exameter were introduced to accommodate astronomical and scientific measurements requiring extremely large distances.
Current Use: Exameters are rarely used in everyday applications but appear in astrophysics when discussing interstellar distances, black hole measurements, and the size of cosmic structures.
Petameter (Pm)
Definition: A petameter (Pm) is a unit of length equal to 10^15 meters, used for measuring large cosmic distances such as the size of galaxies and nebulae.
History: The petameter was introduced to simplify extremely large measurements in astronomy, allowing researchers to express vast distances in a comprehensible unit.
Current Use: Petameters are used in astrophysics when discussing galaxy clusters, intergalactic distances, and space phenomena on an enormous scale.
Quick Conversion Table Exameter (Em) to Petameter (Pm)
1 Exameter (Em) equal to 1,000 Petameter (Pm)
5 Exameter (Em) equal to 5,000 Petameter (Pm)
10 Exameter (Em) equal to 10,000 Petameter (Pm)
20 Exameter (Em) equal to 20,000 Petameter (Pm)
30 Exameter (Em) equal to 30,000 Petameter (Pm)
50 Exameter (Em) equal to 50,000 Petameter (Pm)
75 Exameter (Em) equal to 75,000 Petameter (Pm)
100 Exameter (Em) equal to 100,000 Petameter (Pm)