Find the semi-major axis of Halley’s comet, whose orbital period is 76 years.
September 16, 2020 | Education
| Apply Kepler’s Law 3. Halley’s tomets = 76 years, T = 1 year, a = 1 AU.
Answer: and Halley’s comet = 17.8 AU.

Apply Kepler’s Law 3. Halley’s tomets = 76 years, T = 1 year, a = 1 AU.
Answer: and Halley’s comet = 17.8 AU.