Space Facts MCQs with Answers

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The last stage in the life cycle of a star is a black dwarf, which is a cooled-down white dwarf that no longer emits significant heat or light.

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The constellation of seven bright stars is known as Ursa Major (The Great Bear).

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1 light year is equal to 9.46 trillion km.

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A small solid rock travelling through the atmosphere is known as a meteorite once it survives the passage and lands on Earth's surface.

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Protons and nuclei moving at nearly the speed of light in space are called cosmic rays.

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The hottest stars appear blue in color.

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Light from some stars shows an apparent change in frequency because of relative motion between the star and the observer, a phenomenon known as the Doppler effect.

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The colours of stars are due to their temperature, with hotter stars appearing blue/white and cooler stars appearing red/orange.

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The first living creature launched into space was a dog named Laika, sent aboard Sputnik 2 by the Soviet Union on November 3, 1957.

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The region of the Moon known as the 'Dark side' is the South Pole, though this term is a misnomer as it actually refers to areas in permanent shadow.