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681.
Which celestial object is formed by the gravitational collapse of a cloud of gas and dust and can develop into stars?
Explanation:
682.
What is the term for the study of the chemical composition and processes in stars and other celestial objects?
Explanation:
683.
What is the name of the phenomenon in which light from a distant object is stretched and shifted toward the red end of the spectrum?
Explanation:
684.
Which space mission was launched to detect and study exoplanets, particularly those in the habitable zone of other stars?
Explanation:
685.
What is the term for the observed bending of starlight as it passes near the Sun during a solar eclipse?
Explanation:
686.
What is the name of the region in the center of a galaxy where a supermassive black hole is often found?
Explanation:
687.
Which type of radiation is associated with the emission of radio waves and is used in radio astronomy?
Explanation:
688.
What is the largest planet in our solar system?
689.
Which planet is known for its bright, beautiful rings?
Explanation:
690.
Which planet is often referred to as the "Red Planet"?