The Halley’s Comet regularly passes by the earth on its tour around the sun (at the time of Jesus’ birth it was something different, most probably). The semi- major axis of the elliptical path is 17.8 AU (astronomical unit = 150·109 m). Halley’s last visit at our earth was in 1985. Are you going to experience the next visit?
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A: Solution: As per the given data,
The Halley’s Comet regularly passes by the earth on
its tour around the sun (at the time of Jesus’ birth it
was something different, most probably). The semi-
major axis of the elliptical path is 17.8 AU
(astronomical unit = 150·109 m). Halley’s last visit
at our earth was in 1985. Are you going to
experience the next visit?
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