Q: 43 (NDA-I/2011)

Consider the following statements about comets :
1. Most comets have elongated elliptical orbits that take them close to the Sun for a part of their orbit, and then out into the further reaches of the Solar System for the remai nder
2. If a comet is traveling fast enough, it may leave the Solar System
Which of the statements given above is/are correct ?
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