what are star?
what is pole star
Answers
Explanation:
star-A star is an astronomical object consisting of a luminous spheroid of plasma held together by its own gravity. The nearest star to Earth is the Sun...
pole start-A pole star or polar star is a star, preferably bright, nearly aligned with the axis of a rotating astronomical body. Currently, Earth's pole stars are Polaris, a magnitude-2 star aligned approximately with its northern axis, and a pre-eminent star in celestial navigation, and Polaris Australis, a much dimmer star...
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Answer:
A star is a luminous ball of gas, mostly hydrogen and helium, held togetherby its own gravity, Nuclear fusion reactions in its core support the star against gravity and produce photons and heat, as well as small amounts of heavier elements.
Pole star or Dhruva Tara appears stationery in the sky and all other constellations appear to revolve around it. It points to geographic north direction and it is very useful for sailors in finding the direction which is directly above the geographic north pole of the Earth's axis. it is also the brightest star.It can be seen in July during summer.
Explanation: