BPSC – Combined Competitive Examination · வினா 70
Which of the following has a highly elongated elliptical orbit?
விடையைக் காட்டு & விளக்கம்
விடை: (B) Comet
விளக்கம்
Comets travel on long, highly elliptical orbits, e.g. Halley's comet (~76 years).
- (A) தவறு
Wrong: most asteroids have fairly circular orbits.
- (B) சரி
Correct: comets have highly eccentric, elongated orbits.
- (C) தவறு
Wrong: a meteorite is debris that reaches the ground.
- (D) தவறு
Wrong: a meteor is a streak of light in the atmosphere.