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anzhelika [568]
3 years ago
12

What is a small body that follows a highly elliptical orbit around the sun

Physics
2 answers:
Marianna [84]3 years ago
7 0
A comet is a small body of ice, rock, and dust that follows a highly elliptical orbit around the sun.
melomori [17]3 years ago
4 0
A Planet, such as (pluto)
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Which pair of objects would have the LEAST gravitational attraction to each other?
postnew [5]

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A

Explanation:

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Planet A takes one year to go around the sun at a distance at a distance of one A U.. Planet B is three A U. from the sun. How m
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Which phrase is the best definition of energy
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The capacity for doing work.

Explanation:

It has the forms kinetic, potential, thermal, electric, nuclear or other forms of energy.

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3 years ago
Suppose you observe two stars and you know they have the same luminosity. If one star is twice as far away as the other, the mor
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Answer:

The farther star will appear 4 times fainter than the star that is near to the observer.

Explanation:

Since it is given that the luminosity of the 2 stars is same thus they radiate the same energy per unit time

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This Energy is spread over the whole surface area of sphere Thus when the wave front is at a distance 'r' the energy per unit surface area is given by

e_{1}=\frac{E}{4\pi r^{2}}

For the star that is twice away from the earth the distance is '2r' thus we will receive an energy given by

e_{2}=\frac{E}{4\pi (2r)^{2}}=\frac{E}{8\pi r^{2}}=\frac{e_{1}}{4}

Hence we sense it as 4 times fainter than the nearer star.

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