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Because in eclipsing binaries, the two stars orbit each other regularly passing in front of the other, blocking out some or all of light of the hidden star.
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Eclipsing binary star in Perseus?
Algol
Which type of binary can have their sizes measured directly by photometry?
eclipsing
A star system in which on star blocks the light from another is called?
"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.
What does a eclipsing binary look like?
See related link for a picture of Sirius and it's binary. Sirius B can be found in the bottom left corner.
What is double stars in which one star moves directly in front of the other?
Each of those is an eclipsing binary.
Which star system is an eclipsing binary?
algol
Eclipsing binary star in Perseus?
Algol
Which type of binary can have their sizes measured directly by photometry?
eclipsing
A star system in which on star blocks the light from another is called?
"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.
Are eclipsing binary stars better for determining masses than non-eclipsing binaries?
Yes, because it is easier to determine the precise times of their mutual orbits, which allows us to calculate their masses.
What is a binary star system in which one star periodically blocks the light from another?
That's an 'eclipsing binary'.
Why are some binary stars called eclipsing?
Because in eclipsing binaries, the two stars orbit each other regularly passing in front of the other, blocking out some or all of light of the hidden star.
Does Taurus have any Binary stars?
Yes. Zeta Tauri, Kappa Tauri, and Lambda Tauri are eclipsing binary stars.
When does one star periodically blocks the light from another star?
That happens in an "eclipsing binary".
Why can certain stars sometimes be identified as eclipsing bininary stars?
A binary star consists of two stars gravitationally locked together in a mutual orbit. If the plane of that orbit is in line with us, as observers, then occasionally, one star will eclipse the other, producing a change in luminosity as one star is briefly blocked from view.
What does a eclipsing binary look like?
See related link for a picture of Sirius and it's binary. Sirius B can be found in the bottom left corner.
What is double stars in which one star moves directly in front of the other?
Each of those is an eclipsing binary.
