Question

Hello everybody
Can you answer my questions
Difference between the following in points
1.Pole star and sun
2.Light and Light year
3.New moon day and Full moon day

Answer 1

1.pole star is astar that aligns with the North or South poles. ... However, a starfacing the North Pole does not move across the sky over a long night, because the North Pole lies directly on Earth's axis.


2.year is a measurement of time and a light year is an astronomical measurement of distance. More specifically, 1 light year unit is equivalent to the distance that light will travel within one year, 9.4607 x 10^12 km. ... A light year is a distance that light travels in a year. Light travels 299,792km/s.
3.The new moon phase occurs when the Moon is directly between the Earth and Sun. ... A full moon is when we can see the entire lit portion of the Moon. The full moon phase occurs when the Moon is on the opposite side of the Earth from the Sun, called opposition. A lunar eclipse can only happen at full moon.

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Answer 2

pole star is a constant star and the bright star which appears every day in the night sky.
sun is the hot boiling gas ball which is the source of univers.


light is the brightness which allows us to see in dark even
light year is the distances and time taken to travel in space


new moon day is the day when the first face of moon is appeared
full moon day is the day where the last or total moon is appeared





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