A comet has an orbital period of 94 years. What is its average distance (in AU) from the Sun? AU If the comet last came closest to the Sun in 1982, when will it reach its furthest point from the Sun? (Enter your answer as a date in years.)
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- What is the orbital period (in years) of a Kuiper Belt Object (KBO) orbiting the Sun at 43.8 AU? ГyearsThe average distance from Earth to the sun is defined as one astronomical unit (AU). If an asteroid orbits the Sun in 1/3 of a year in a circular orbit, what is the asteroid's distance from the Sun in AU? Round your answer to 2 significant figures.A comet has an orbital period of 83 years. What is its average distance (in AU) from the Sun? AU If the comet last came closest to the Sun in 1982, when will it reach its furthest point from the Sun? (Enter your answer as a date in years.) Need Help? Read It
- On August 27, 2003, the planet Mars was at a distance of 0.373 AU from Earth. The diameter of Mars is 6788 km. Calculate the angular diameter of Mars, as seen from Earth on August 27, 2003. Give your answer in arcminutes.Use the small-angle formula to calculate the angular diameter (in arc minutes) of Mars (d = 6.79 ✕ 103 km) as seen from Earth if Mars were at the location of the Sun (D = 1.5 ✕ 108 km).Kepler's 1st law says that our Solar System's planets orbit in ellipses around the Sun where the closest distance to the Sun is called perihelion. Suppose I tell you that there is a planet with a perihelion distance of 2 AU and a semi-major axis of 1.5 AU. Does this make physical sense? Explain why or why not.
- The figure below is a scaled representation of a planet's orbit with a semimajor axis of 1.598 AU. (Use the exact values you enter in previous answer(s) to make later calculation(s).) (a) Find the ratio of the aphelion-to-perihelion distance. TA (b) Find the perihelion and aphelion distances in astronomical units. AU AU (c) Find the distance the Sun is from the center of the orbit. AUIn the case of Mars, the time from opposition to the eastern quadrature is 107 days,and the sidereal period of Mars is 686.98 days, Calculate its orbital radius in the unit ofAU.Suppose, hypothetically, that the Earth orbited the Sun at half its current distance. (That is, at 1/2 AU instead of 1 AU). What would be the length of the year? What else would be different?
- On February 28, 2010, Earth was equidistant from the spacecraft Dawn and the Sun, forming an isosceles triangle. The distance from Earth to Dawn and Earth to the Sun was 0.99 AU (astronomical units). The distance from Dawn to the Sun was 1.84 AU. a) Draw a diagram to show Dawn, Earth, and the Sun. b) Determine the angle between the sight lines from Earth to Dawn and the Sun.compared with the diameter of earth's moon, the diameter of Mercury isIf you find a planet's orbital period around the Sun to be ~15 years, what would be its approximate semimajor axis to the nearest AU?