How is the distance of a planet from the sun related to its speed around the sun? Which planet moves fastest around the sun? Which planets has longest orbital period around the sun?

Q: How do you calculate the mass of a planet in space?

A: Let M be the mass of the planet, R be the distance of the planet from the reference frame, T be the…

Q: It has been hypothesized that there may be another planet in the Solar System nicknamed Planet X…

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Q: Two planets orbit the same Sun. Planet A orbits at a radius of 200 million km and makes one full…

A: Solution: given that Planet A R = 200 million km T =500 days Planet B R = 450 million km

Q: A planet that has a mass equal to that of the Earth is orbiting a star that has the same mass as the…

A: Mass of the star = Mass of the sun Mass of the planet = Mass of the earth average distance between…

Q: Suppose we discovered a planetary body orbiting our Sun at a distance of 15 times the Earth-Sun…

A: Let distance of earth from sun = D  Time taken by earth to complete one orbit around sun = 1 year…

Q: Which of the following planets exhibit the characteristic "back and forth" motion relative to the…

A: Mars, Jupiter and saturn planets exhibit the characteristic Back and Forth motion relative the the…

Q: If the semi-major axis, a, is measured in AU and the orbital period, p, is measured in years, then…

A: No, its too big.  We know Jupiter as like other planets rotates around sun. Although the Jupiter not…

Q: A newly discovered planet orbits a star identical to our own with a period of 0.5years and an…

A: Newton gave his well know law of gravitation. Kepler gave 3 laws which govern the motion of…

Q: A pendulum makes 10 swings every 15 seconds on Earth. You take the same pendulum to the surface of a…

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Q: A planet in a very high-eccentricity orbit will have     a long summer and a short winter     a…

A: To conclude the duration of summer and winter when a planet is in a very high-eccentricity orbit

Q: One of the two moons of mars has a period of 7 hr 39 min and radius 9400 km. Calculate the mass of…

A: We have, T=7 hours 39  min=459 min=2.754×104 secr=9400 km=9.4×106 mG=6.67×10-11 N.m2/kg2

Q: What is the orbital period of a planet with an average orbital distance of approximately 1000 AU…

A: The motion of the planet is uniform circular motion. Therefore, the force equation along radial…

Q: What is the weight of a student who is 64 kg (141 lbs) on this planet? use this equation to help.…

A: Given Mass of student m=64kg Mass of Venus M=4.867x1024kg Radius of Venus r=6.0518x106m

Q: A new planet has been predicted orbiting our Sun far from the center of our solar system.  This…

A: 1AU =1.496X1011 m  so 1000 AU=1496X1011m.         We know from Kepler's law T2=K R3   T = K R3/2  m…

Q: What is gravity and what is its effect on the human body?

A: To state: The definition of gravity. The effect of gravity on the human body.

Q: A newly discovered planet orbits a star identical to our own with a period of 0.5years and an…

A: We have a planet which orbits around a star of mass say M in an orbit with eccentricity e=0.4 and…

Q: Which of the statements below best describes planetary orbits in our solar system? They generally…

A: The planets consistently show low eccentricities in the solar system. So, their orbits are…

Q: One of the two moons of mars has a period of 7 hr 39 min and radius 9400 km. Calculate the mass of…

A: We have, T=7 hours 39  min=459 min=2.754×104 secr=9400 km=9.4×106 mG=6.67×10-11 N.m2/kg2

Q: new mystery planet is detected around our Sun. We measure its position relative to the Sun to be 2…

A: Perihelion distance from sun r1 = 2AUAphelion distance from sun r2 = 10AU

Q: Suppose a planet sweeps out an area, call it A, in one day. In terms of A, Kepler's second law tells…

A: Kepler’s second law states that a planet sweeps out equal areas in equal intervals of time.

Q: The radius of the Earth's orbit is 1.50  1011 m and that of Mars is 2.28  1011 m. The star that this…

A: The expression for the orbital period,

Q: A satellite is in circular orbit. What two forms of energy are part of the satellite's orbital…

A: When a satellite is revolving in a circular orbit, it means that it is going around in a proper…

Q: The average distance between Mars and the Sun is 1.52 AU. What is the orbital period of Mars?…

A: Please see the answer in step 2

Q: How far from the sun would a planet that has made exactly one orbit circular in your lifetime be?

A: The average human life span is 80 years so we will use it as the time period of the planet.

Q: A newly discovered planet orbits a distant star with the same mass as the Sun at an average distance…

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Q: The orbit of the dwarf planet Pluto is inclined 17 degrees, when compared to the eight planets,…

A: The orbit of the dwarf planet Pluto is inclined 17° where as other eight planets has orbital…

Q: Press the hotspot that indicates the point on the planet's orbit during which the magnitude of its…

A: Kepler's second law of motion states that the areal velocity of a planet around the sun is always…

Q: Rank the planets according to their eccentricity. Discuss how the planets’ distance from the Sun…

A: An astronomical object's orbital eccentricity is a dimensionless quantity that governs how much its…

Q: On a given planet, the weight of an object varies directly with the mass of the object. Suppose that…

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Q: Let's define the gravitational pull between Earth and the Sun as 1 Earth-pull. What is the pull that…

A: The gravitational pull between the Earth and Sun is

Q: A comet orbits a star with a highly eccentric elliptical orbit. At its nearest point, the comet is…

A: Given: Nearest point r1=0.4 AU∵1 AU=1.496×1011m So  r1=0.4×1.496×1011=5.984×1010m farthest point…

Q: Calculate the force of gravity on the same 1-kg mass if it were 6.4 × 10 6 m above Earth’s surface…

A: Given Mass of the object m1 = 1 kg Height h = 6.4 x 106 m

Q: What is the shape of the orbits for planets that travel around the Sun? Your answer: O circle O…

A: The shape of the orbits for planets that travel around the Sun is elliptical.

Q: Calculate the length R of the semimajor axis of a planet whose period is 226 days.

A: As per Kepler’s third law, the time period of a planet can be represented as, Here, T, G, M, and R…

Q: The asteroid Icarus has a perihelion distance of 0.19 AU and an orbital eccentricity of 0.83. What…

A: The perihelion distance rmin is given by rmin=a1-e Where a is the semi major axis distance and e is…

Q: A moon has a circular orbit around a planet. It takes 5 days to move 120 degrees around this…

A: time taken by moon to orbit a planet = T time taken by moon to move 120o = 5 days

Q: If it takes a planet 3 years to sweep out 20% of its orbit, how long will it take the planet (in…

A: Time taken to cover  orbit is Find:Time taken to complete one revolution.

Q: Why is the shape of the planet's orbit around the sun more elliptical when velocity is increased?…

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Q: The asteroid Icarus has a perihelion distance of 0.19 AU, an orbital eccentricity of 0.83 and semi…

A: The Apsis of a planetary body is the farthest or the nearest point in its orbit from the primary…

Q: Suppose astronomers discover a new planet which orbits the Sun with an orbital radius 11 times that…

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Q: Imagine that Earth had two identical Moons, following the same orbit but staying 90° apart. What…

A: Tides: Due to the gravitational pull of the Moon, Sun, and rotation of the Earth, the rise and fall…

Q: A synchronous satellite, which always remains above the same point on a planet's equator, is put in…

A: From Newton’s form of Kepler’s third law