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"Occulting binary". The word "occult" means hidden or in shadows; if a binary star's orbital plane happens to be exactly through the Earth's path, we might see two stars when they're separate and then see one of the stars disappear behind (or in front of) the other.

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What is a binary star system in which one star periodically blocks the light from another?

That's an 'eclipsing binary'.


What is a dimming light from one heavenly body by another?

A dimming light from one heavenly body by another is called an eclipse. This occurs when one celestial object moves into the shadow of another, causing a decrease in brightness or visibility. Examples include solar eclipses, where the Moon blocks the Sun's light, and lunar eclipses, where the Earth blocks the Sun's light from reaching the Moon.


When one celestial body blocks the light from another is?

When one celestial body blocks the light from another, it is called an eclipse. In a solar eclipse, the Moon passes between the Earth and the Sun, obscuring the Sun's light. Conversely, in a lunar eclipse, the Earth blocks sunlight from reaching the Moon. Eclipses can provide valuable insights into astronomical phenomena and the positions of celestial bodies.


What is it called when an object blocks light and forms a dark area?

It is called a shadow. When an object blocks the path of light, it creates a shadow on the surface behind it due to the absence of light in that particular area.


When the earth blocks the light of the sun on the moon what is it called?

Eclipse of the moon.


What is an eclipse called when the moon blocks the sun's light?

A Solar Eclipse


When does one star periodically blocks the light from another star?

That happens in an "eclipsing binary".


The area of darkness formed when an object blocks light is called a?

Its an opaque object.


Material that transmits some light and blocks some light?

A translucent material transmits some light while diffusing it, allowing some light to pass through but scattering it in different directions. This results in partial visibility through the material, as it both transmits and blocks some light.


What dark area made by an object blocks out light?

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What do you call a material that blocks all light completely?

A material that blocks all light completely is called opaque. Opaque materials do not allow any light to pass through them, creating a complete barrier to vision.


What is the process of one body in space blocking light from another one?

When the moon blocks the sun's light, or the Earth blocks the light from the sun that strikes the moon, it's called an eclipse. For an arbitrary body passing in front of another one, the term astronomers usually use is "occultation".