0
albedo
Wiki User
∙ 15y ago
In astronomy, light ratio refers to the amount of light emitted by a celestial body or object relative to a reference point or standard. It is typically used to compare the brightness of different objects in the night sky. Astronomers use light ratios to quantify and study the luminosity of stars, galaxies, and other astronomical phenomena.
Add your answer:
Earn +20 pts
What is the unit of specific refraction index?
Refractive indices, n, have no units because they are ratios. They are the ratio of the speed light in a vacuum C, (~3x108m/s) to speed of light in the medium vm. Therefore:
What two colors can be mixed to get light green color?
To get a light green color, you can mix yellow and blue together. Adjust the ratio of each color to achieve the desired shade of light green.
What colors do you mix to get a light cherry?
Mix red and white to achieve a light cherry color. Adjust the ratio of red to white to get the desired shade of light cherry.
What colour do you mix to get light purple?
Mix blue and red together to create light purple. Adjust the ratio of blue to red until you reach your desired shade of light purple.
Is a photometer an instrument that measures the intensity of the incoming light and quantifies it into numerical data?
Yes, a photometer is an instrument used to measure the intensity of light. It quantifies the amount of light in numerical values, making it useful for various applications including photography, astronomy, and environmental monitoring.
Why is light an important tool used in astronomy?
Stars are the sources of light. If they did not emit light, there would be no stars and thus no astronomy.
How are light and astronomy related?
Studying light is one part of astronomy. Things like the speed of light, how it travels, the spectrum of light are all things that are used in studying astronomy. Studying light emitted from a star can tell us all sorts of things about it, like how far away it is and how bright it really is.
In astronomy and distances of the universe how much is a ly?
A light year is the distance that light can travel in a year.
What is the name of the amount of sunlight that the surface of the moon reflects?
In astronomy, the amount of light reflected by the Moon - or by any other object - is called "albedo", which literally means "whiteness".In astronomy, the amount of light reflected by the Moon - or by any other object - is called "albedo", which literally means "whiteness".In astronomy, the amount of light reflected by the Moon - or by any other object - is called "albedo", which literally means "whiteness".In astronomy, the amount of light reflected by the Moon - or by any other object - is called "albedo", which literally means "whiteness".
How could light pollution and air pollution effect astronomy?
Light pollution and air pollution effect astronomy by making it more difficult to view the stars. If you notice, when you get out of the cities where there is less air and light pollution, you are better able to view the stars.
What does 'air mass' mean in astronomy?
In astronomy, air mass means the length of light passing through Earth´s atmosphere. Source of light may be from any celestial body. The brightest source of light is the sun and then comes the moon. The moon radiates light reflected from the sun.
What is a measurement of distance based on the speed of light?
A unit that is commonly used in astronomy is the light-year - the distance light travels in a year.
What astronomy words start with the letter z?
Zenith, zodiac, zodiacal light.
How light year is measured?
A light year is a unit of length used in Astronomy to define distance. One light year is equal to just under 6 trillion miles.
The ratio of the speed of light in a medium to the speed of light in a vacuum is called its?
It is usually expressed the other way: the ratio of the speed of light in a vacuum to the speed of light in a medium. In that case, it is called the "index of refraction".
What does this field astronomy studies?
- Astrophysics - Observational astronomy - Radio astronomy - Astrometry - Galactic astronomy - Extragalactic astronomy - Stellar astronomy - Solar Astronomy - Theoretical astronomy - Cosmology - Celestial Mechanics
What does ly stand for in Astronomy?
That is short for "light-year" - the distance light travels in a year. Approximately 9.5 million million kilometers.
