Advertisement
Advertisement
albedo
[ al-bee-doh ]
noun
- Astronomy. the ratio of the light reflected by a planet or satellite to that received by it.
- Meteorology. such a ratio for any part of the earth's surface or atmosphere.
albedo
/ ælˈbiːdəʊ /
noun
- the ratio of the intensity of light reflected from an object, such as a planet, to that of the light it receives from the sun
- physics the probability that a neutron passing through a surface will return through that surface
albedo
/ ăl-bē′dō /
- The fraction of the total light striking a surface that gets reflected from that surface. An object that has a high albedo (near 1) is very bright; an object that has a low albedo (near 0) is dark. The Earth's albedo is about 0.37. The Moon's is about 0.12.
Discover More
Word History and Origins
Discover More
Word History and Origins
Origin of albedo1
Discover More
Example Sentences
Decreased cloudiness over the eastern Pacific isn’t the only thing trimming Earth’s reflectance, or albedo, says Shiv Priyam Raghuraman, an atmospheric scientist at Princeton University.
Dark roads, roofs and other building materials also have a lower albedo, meaning they reflect less sunlight.
This lowers their albedo — how much light they reflect — which can cause melting.
Tar and asphalt have a low albedo, absorbing the sun’s light, mostly as heat.
For the study, published Monday in Nature Astronomy, scientists used images collected by Hayabusa-2 to parse the rock’s albedo—or reflective properties—to uncover clues to the asteroid’s cosmic mashup.
There are other metals with a higher albedo, but none that give a richer effect.
The electron telescope could detect its larger planets, especially a gas-giant fifth-orbit world of high albedo.
If anything of the right size shows up, decelerate until we can get mass and albedo measurements.
If the asteroid's albedo matched it, that would be one piece of evidence.
Its "albedo," in other words, is 0·17, which is precisely that ascribed to the moon.
Advertisement
Advertisement
Advertisement
Advertisement
Browse