Answer
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Hint
As we are living in the galaxy whose appearance is a dim glowing band arching across the night sky in which the naked eye cannot distinguish infidel stars.
Complete step by step answer
The only galaxy whose appearance is like a dim glowing band is the Milky Way.
The word ‘milky’ is derived from its appearance as a dim glowing band arching across the night sky. Our Milky Way galaxy is the Iceland of the stars we call home. If you imagined it as a disk with spiral arms emanating from the center, our sun is about a third of the way from the center to the visible edge.
So option (A) is the right answer.
Note
Spiral galaxy: These are named by their spiral structure that extends from the center into the galactic disc. The spiral arms are sites of ongoing star formation and are brighter than the surrounding disc because of the young hot OB stars than inhabit them.
Kepler’s three laws with the planetary motion:
The orbits are ellipses with focal points F1 and F2 for the first planet and F1 and F3 for the second planet.
The two shaded sectors A1 and A2 have the same surface area and the time for the planet 1 to cover the A1 is equal to the time to cover the segment A2.
The total orbit times for the planet 1 and planet have a ratio
${\left( {\dfrac{{{a_1}}}{{{a_2}}}} \right)^{\dfrac{3}{2}}}$
The value of G is constant at any point in the universe therefore it is called the universal constant at any point. The value of acceleration due to gravity is $9.8 \dfrac{m}{{s}^{2}}$. Its value differs in other planes because it depends on the mass.
As we are living in the galaxy whose appearance is a dim glowing band arching across the night sky in which the naked eye cannot distinguish infidel stars.
Complete step by step answer
The only galaxy whose appearance is like a dim glowing band is the Milky Way.
The word ‘milky’ is derived from its appearance as a dim glowing band arching across the night sky. Our Milky Way galaxy is the Iceland of the stars we call home. If you imagined it as a disk with spiral arms emanating from the center, our sun is about a third of the way from the center to the visible edge.
So option (A) is the right answer.
Note
Spiral galaxy: These are named by their spiral structure that extends from the center into the galactic disc. The spiral arms are sites of ongoing star formation and are brighter than the surrounding disc because of the young hot OB stars than inhabit them.
Kepler’s three laws with the planetary motion:
The orbits are ellipses with focal points F1 and F2 for the first planet and F1 and F3 for the second planet.
The two shaded sectors A1 and A2 have the same surface area and the time for the planet 1 to cover the A1 is equal to the time to cover the segment A2.
The total orbit times for the planet 1 and planet have a ratio
${\left( {\dfrac{{{a_1}}}{{{a_2}}}} \right)^{\dfrac{3}{2}}}$
The value of G is constant at any point in the universe therefore it is called the universal constant at any point. The value of acceleration due to gravity is $9.8 \dfrac{m}{{s}^{2}}$. Its value differs in other planes because it depends on the mass.
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