Define the term 'constellation'.. In what respects is, the pole star, different from other stars?
Write two points of difference between a planet and a star
Why do stars appear as points to us?
Answers
Answer:
A pole star is a prominently visible star that is approximately aligned with the Earth's axis of rotation. So it does not appear to move when the earth rotates. The pointer stars are not aligned with the axis of rotation of the earth.
A constellation is a group of stars which make up imaginary outline or pattern in the night sky (the celestial sphere). Usually they are said to represent an animal, mythological person or creature in a shape. When seen, the group of stars seem to make a pattern. Constellations were also used to group stars.
The main difference between stars and planets is that stars have high temperatures compared to planets. Because they radiate energy, stars are very bright objects. Planets do not generate their own energy through nuclear reactions. They reflect some of the radiation coming from their parent star.
A star is a giant spherical ball of plasma. Furthermore, all the stars that we can see (apart from our Sun) are so far away that they appear to us as perfect little dots. The answer to why we draw stars as pointy objects, is because our eyes actually see them as having points.
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✨️Constellation is a group of stars forming a recognizable pattern that is traditionally named after its apparent form or identified with a mythological figure.
✨A pole star is a prominently visible star that is approximately aligned with the Earth's axis of rotation. So it does not appear to move when the earth rotates. The pointer stars are not aligned with the axis of rotation of the earth.
✨The main difference between stars and planets is that stars have high temperatures compared to planets. ... Because they radiate energy, stars are very bright objects. Planets do not generate their own energy through nuclear reactions. They reflect some of the radiation coming from their parent star.
✨A star is a giant spherical ball of plasma. Furthermore, all the stars that we can see (apart from our Sun) are so far away that they appear to us as perfect little dots. The answer to why we draw stars as pointy objects, is because our eyes actually see them as having points.
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