An exoplanetary system has two known planets. Planet X orbits in 290 days and Planet Y orbits in 145 days.  Which planet is closest to its host star?   If the star has the same mass as the Sun, what is the semi-major axis of the orbits for Planets X and Y?

Q: What is the escape velocity is km/s from Jupiters exosphere, which begins about 993 km above the…

A: Given value--- G= 6.67 x10-11m3 kg-1s-2. Jupiter has a mass of 1.8999999999999998e+27kg. radius of…

Q: Consider a spherical asteroid with radius 28.2 km and mass of 5.69 x 1018 kg. The acceleration due…

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Q: What would the mass of Jupiter be in kg, based on the attached data for the orbit of one of its…

A: Step 1: Step 2: Step 3: Step 4:

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Q: A planet and its two moons are aligned as shown. Find the total force on the planet due to the two…

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Q: Assume these are the mass and radius of Venus. Myenus = 5 x 1024 kg, Ryenus = 6,000,000 meters. What…

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Q: 6) In the effort to discover exoplanets a planet around another star was discovered that has a…

A: Given: The mass of the sun is 2x1030 kg. The period of the planet is 320 days.

Q: Consider the attached light curve for a transiting planet observed by the Kepler mission. If the…

A: Radius of the exoplanet

Q: While looking through the Mt. Palomar telescope, you discover a large planetary object orbited by a…

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Q: One of the first exoplanets discovered orbits the star 51 Pegasi with a period of just 4.2 days. 51…

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Q: What would be the angular diameter (in arc seconds) of a planet with diameter 8.5 x 105 km and…

A: Given, The diameter of the planet 1: d = 8.5 x 105 km The distance of planet 1 from its star: R1=175…

Q: Neptune's largest moon Triton has an orbit with a semimajor axis of 3.55 x 10° km. Considering that…

A: Given: The semimajor axis is 3.55×105 km.             The mass of the Neptune is 1.02×1026 kg.  To…

Q: A day on Splorg lasts the equivalent of 31.7 hours. At the equator, Splorg has a circumference of…

A: a) Radial distanceThe time period of a satellite in an orbit at a given height calculated as

Q: For many years, astronomer Percival Lowell searched for a "Planet X" that might explain some of the…

A: distance of planet X from sun (R) = 43 AU Mass of sun (m) = 1.99×1030 kg

Q: Consider a hypothetical planet with a radius of 170 million meters and a mass of 1027 kg. What is…

A: Given: The radius of the planet is 170 million meters. The mass of the planet is 1027 kg.

Q: Calculate the escape velocity to an orbit of 317 km height from a planet with the radius of 2000 km…

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Q: A certain binary system consists of two stars that have equal masses and revolve in circular orbits…

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Q: Question 9: Now imagine that after the GMT has started operation in 2036, its planet imager…

A: Step 1: Given: Orbital period of the planet(P) = 17.2 yr = 2.27×108s Semimajor axis a=5.3 AU =…

Q: Uranusrevolves around the sun in 84.0 years with an orbital diameter of 39.6 AU (Astronomical…

A: Given Data : The Time period of the revolution of Uranus around the sun is given as T =84 years. The…

Q: On planet Q, g = 2.24 m/s^2, If the mass of planet Q is 8.96 x 10^21kg, what is the radius of planet…

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Q: I found a planet with an orbital radius of only 0.2 AU. The parent star is only half as massive as…

A: Orbital radius  a = 0.2 AU Mass of star M = 0.5 solar mass

Q: Pluto is considered a binary dwarf planet system with its companion Charon. Pluto has a mass of…

A: The center of mass of a system of particles is the point at which all of the mass of the system can…

Q: The existence of the dwarf planet Pluto was proposed based on irregularities in Neptune's orbit.…

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Q: law

A: Kepler’s third law of planetary motion gives the relationship between the orbital time period and…

Q: Imagine that astronomers have just discovered a planet orbiting another star (other than the Sun),…

A: Mass of the planet that is discovered, M=4.2 Jupiter-masses

Q: planet rotates on its axis, a point on its equator travels at 267,558 miles per year (a) find the…

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Q: a) What is the difference between the forces due to Uranus on a 1.0 kg mass located at the near side…

A: A) The force because of Uranus on the 1 kg mass on the Titan’s near side can be given as, Here, G,…

Q: You're on your way from Earth to Neptune, and you're 50 million kilometers from Earth.  Then at the…

A: We are going from Earth to Neptune and the distance between earth and Neptune is roughly 4.4…

Q: one trajectory that can be used to send spacecraft from earth to mars is an elliptical orbit that…

A: Given data: On the elliptical path of spacecraft, earth is at perihelion position and mars is at…

Q: Figure 1 shows Jupiter (mjupiter = 1.898 x 1027 kg), along with the orbit of three Gallean moons: lo…

A: Given:  Mass of jupiter = mjupiter = 1.898×1027 kgMass of Io = mo =8.932×1022 kgMean distance of Io…

Q: You are an astronaut who travels to the other side of the galaxy to visit planet bartleby. You want…

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Q: Is it possible to put a satellite in a “geostationary” orbit around Venus? You can assume that Venus…

A: Given that:Time period of venus, T=5832 hrMass of venus, M=4.867×1023 kg Radius of its Hill sphere,…

Q: Rhea orbits Saturn with an average radius of 527,000 km and a period of 4.518 days. Based upon these…

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Q: Suppose the moon of a planet has a mass of 1/93th the mass of the planet it is orbiting (note: the…

A: According to Newton's third law of motion, Magnitude of Force applied by moon to the planet =…

Q: Gliese 180d is an exoplanet that has a mass 8 times that of Earth and the acceleration due to…

A: Given: Let mass of the earth = M The mass of the Gliese 180d = 8M The gravitational acceleration of…

Q: Calculate the escape velocity to an orbit of 393 km height from a planet with the radius of 2000 km…

A: Mass of object =393kg Radius =2000km Density =3400 kg.m-3

Q: The orbital velocity for a sattelite orbiting  earth at it's radius is 8 km/s. What would be the…

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