Because astronomers and most humans cannot abide zeros. It is also a lot easier to explain.
What would you prefer?
or
light years
Yes, astronomers use light-years to measure the distance between stars in space. A light-year is the distance that light travels in one year, which is about 9.46 trillion kilometers or 5.88 trillion miles. This unit of measurement is more practical given the vast distances in space.
A wavelength is the distance between the same points on two consecutive waves, such as the distance between two peaks or two troughs. It is commonly used to measure the size of a wave in physics, such as in the case of light or sound waves.
. . they are a convenient unit. Another convenient unit is the parsec.
Astronomers use astronomical units (AU) to measure distances between planets in our solar system. The average distance between Earth and Mars is about 1.52 AU. Alternatively, they can also use light-minutes, which is the distance light travels in a minute, to convey the vast distances in space.
scientists use light-years to measure long distances in space. a light year, (abrviated ly) is the distance light can travel.
From what I remember in two geology classes, scientists measure the distance between a star and Earth by comparing "red shift," a shifting of certain bands of light toward the "red" end of the spectrum. The further the shifting, the greater the distance.
Light years are a unit of measurement used in astronomy to indicate the distance that light travels in one year. This distance is about 5.88 trillion miles. Light years are significant in astronomy because they allow scientists to measure vast distances in space, such as the distance between stars, galaxies, and other celestial objects.
Light years are a unit of distance used to measure vast distances in space. To measure light years, scientists use tools like telescopes and spectrographs to observe the light emitted by stars and galaxies. By analyzing the light's properties, such as its brightness and spectrum, scientists can calculate the distance to these celestial objects in terms of light years.
With maths and light brightness.... Distance between two points...
light years
Scientists measure huge distances in space using units like light-years, which represent the distance that light travels in one year. This helps provide a more meaningful scale for understanding the vast distances between celestial objects.
Light Years.
Scientists measure light from star in light years because almost every other units would be so small compared to the distance involved between stars. in fact the nearest star (other then the sun) is 24689699219682.054 miles or 39734219301000 km.
Light year or astronomical units
usually the space is measured in light years
you use light years, and other units