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When one body moves in front of another it is an occultation. The Moon occults starts frequently but the brightness round the Moon makes it difficult to see. Planets are seen to occult stars also, but because the planets appear so small, it is infrequent except for extremely dim stars.
When the Moon passes in front of the Sun it is a special occultation called an eclipse.
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When a star or galaxy moves quickly away from an observerthe light it emits?
Red. It's called Redshift When it moves quickly away it's called Blueshift
You and a friend are looking at the stars and you notice two stars close together one bright and the other fairly dim your friend comments that the bright star must emit much more light?
You and a friend are looking at the star and you notice two stars close together one bright and the other fairly dim your friend comments that the bright star must emit much more light. This might not be true because the other star could just be farther away or smaller.
Why do astronomers a find it difficult to locate extrasolar planets with telescopes?
From our distance, they are close to the stars they orbit. Hope this helps! :) 5/3/21
What kinds of stars are pulsars a form of?
First [may be partial] is: A Cephid Variable Star. Quasars and other Gamma Ray sources [colliding Neutron Stars, and 'coalescing' Pairs of Black Holes for example] are also closely related.
What does the abbreviation SC mean?
South Carolina, Star Craft, Santa Cruz, Sim City, and a whole lot of other things.
What is double stars in which one star moves directly in front of the other?
Each of those is an eclipsing binary.
How much time do it take the moon to line up with the stars?
When you see the moon directly in front of some star tonight, start your clock.You'll see the moon directly in front of that same star again after approximately [ 27days 7hours 41minutes ].
How or with what do people measure a light year?
This can't be measured directly (as in, applying a measuring stick), so the distances are calculated in other ways. Several methods are used; for a start, for nearby stars, the star's parallax is measured. The smaller the parallax, the farther away the star is. Parallax is the apparent change in position, of a star, compared to the far-away background, as Earth moves from one side of its orbit, to the other.This can't be measured directly (as in, applying a measuring stick), so the distances are calculated in other ways. Several methods are used; for a start, for nearby stars, the star's parallax is measured. The smaller the parallax, the farther away the star is. Parallax is the apparent change in position, of a star, compared to the far-away background, as Earth moves from one side of its orbit, to the other.This can't be measured directly (as in, applying a measuring stick), so the distances are calculated in other ways. Several methods are used; for a start, for nearby stars, the star's parallax is measured. The smaller the parallax, the farther away the star is. Parallax is the apparent change in position, of a star, compared to the far-away background, as Earth moves from one side of its orbit, to the other.This can't be measured directly (as in, applying a measuring stick), so the distances are calculated in other ways. Several methods are used; for a start, for nearby stars, the star's parallax is measured. The smaller the parallax, the farther away the star is. Parallax is the apparent change in position, of a star, compared to the far-away background, as Earth moves from one side of its orbit, to the other.
Why does one star seem to disappear in the Algol star system?
The Algol star system is known as an eclipsing binary pair, As such, one star moves in front of the other, blocking it's light. Because the pair are in line with the Earth, it has the effect that one stars seems to disappear. See related link for an animation of the effect.
Why is it not advisible to see a twinkling star directly?
It is not advisable to place a star directly on your eyeball, as their surface temperatures are several thousands of degrees. (They're also quite large). However, I can't think of any valid reason not to look directly at any star you want to other than the Sun.
How do scientist know exoplanet exist?
Because they have been observed. Not only by indirect means but also by optical means - when a planet moves across the front of a star.
Where can one buy women's G-Star jeans?
G-Star women's jeans can be found directly through the main G-Star website. Other retailers carry this brand and you can purchase them there. G-Star sells quality jeans and other apparel.
The parallax of a star is observed because?
Parallax helps because the bigger the parallax is the closer the star is. Knowing the distance helps to determine the "absolute magnitude" of a star, not just how bright it appears.
What characteristics of a star are related to each other?
Mass and gravity are directly connected, and luminosity is closely related to mass.
Are planets fixed in space?
Certainly not, they revolve around a star and the star moves as well.
How does the speed of the star affect the spectrum?
As a star moves away from us it has a red color shift.
What constellation should you look for at night if you wish to locate for the north star?
Find the Big Dipper in the northern sky - everyone can find that. The two stars that make up the front of the dippers "bowl" point directly up at the North Star.
