An exoplanetary system has two known planets. Planet X orbits in 290 and Planet Y orbits...
An exoplanetary system has two known planets. Planet X orbits in 290 and Planet Y orbits in 145 days. Which planet is closet to its host star? If the star has the same mass as the Sun, what is the semi major axis of the orbits for Planet X and Y?
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An exoplanetary system has two known planets. Planet X orbits in
290 and Planet Y orbits...
Planets X, Y, and Z have circular orbits around a Star, which is similar to our...
Planets X, Y, and Z have circular orbits around a Star, which is similar to our own Sun. Given the data listed below, answer the following questions. Note: "Days" are treated as "Earth days", thus having 24 hrs. Name Mass (kg) Orbit Radius (million km) Period (days) Planet X 5.82E24 141.4 315.6 Planet Y 7.13E23 451.5 Planet Z 3.87E25 104.1 a) Use the data of Planet Z to determine its orbital radius
A new extrasolar planet (outside our solar system) has been discovered. This planet orbits a star...
A new extrasolar planet (outside our solar system) has been discovered. This planet orbits a star of mass 1.03×1031 kg with a period of 6.52 years . It is also known that the planet has an eccentricity of 0.694. Part A Part complete What is the semi-major axis of the planet's orbit? View Available Hint(s) Semi−majoraxis= 9.03×1011 m SubmitPrevious Answers Correct Part B What is the average velocity of the planet in its orbit Part C What is the distance of closest approach to its...
A resonance orbit is one in which planets have a fixed ratio of orbital periods. For...
A resonance orbit is one in which planets have a fixed ratio of orbital periods. For example, for 2 planets with an orbital resonance of 3:1, the outer planet's orbital period would be 3 times that of the inner one. That is, the inner planet can complete 3 exact orbits whilst the outer one completes only one. This is a special type of orbital "locking". The two planets orbiting the nearby star are observed to be in a 2:1 resonance...
3) The next two questions pertain to the following situation. Star S has two planets, X...
3) The next two questions pertain to the following situation. Star S has two planets, X and Y, that both orbit Sin uniform circular motion. Planet X of mass my = 2.7 x 1021 kg orbits star S in uniform circular motion at a distance rx = 2.8 * 1012 m and with speed vx = 9.7 x 104 m/s. The mass of star S is Ms and its radius is Rs = 2 x 10 m, as shown in...
Over 500 planets have so far been detected beyond our solar system. This is accomplished by looki...
Over 500 planets have so far been detected beyond our solar system. This is accomplished by looking for the effect the planet has on the star. The star is not truly stationary; instead, it and its planets orbit around the center of mass of the system. Astronomers can measure this wobble in the position of a star. a.) For a star with the mass and size of our sun and having a planet with two times the mass of Jupiter,...
A new extrasolar planet (outside our solar system) has been discovered. This planet orbits a star...
A new extrasolar planet (outside our solar system) has been discovered. This planet orbits a star of mass 8.72×1030 kg with a period of 6.42 years . It is also known that the planet has an eccentricity of 0.694. What is the average velocity of the planet in its orbit?
Two planets orbit in circular orbits around a star have speeds of 5v(planet A) and 2v(planet...
Two planets orbit in circular orbits around a star have speeds of 5v(planet A) and 2v(planet B). Express your answers in fractional form, simplified as much as possible. What is the ratio of the orbital radii of the planets? rB/rA = ___/___ What is the ratio of their periods? PB/PA = ___/____
In a newly discovered exoplanetary system one planet orbits its star in 56 days with an...
In a newly discovered exoplanetary system one planet orbits its star in 56 days with an average orbital radius of 107,588,122 kilometers. It is observed that another planet in the same system has orbital period of 373 days. What is its average orbital radius of the second planet? Express your answer in kilometers, use scientific notation and round the coefficient to two decimals. In a newly discovered exoplanetary system one planet orbits its star in 57 days with an average...
A)Some comets are in highly elongated orbits that come very close to the sun at perihelion....
A)Some comets are in highly elongated orbits that come very close to the sun at perihelion. The distance from one such comet to the center of the sun is 6.00×10^9m at perihelion and 3.00×10^12m at aphelion. For this comet's orbit, find the semi-major axis. B) In 2017 astronomers discovered a planet orbiting the star HATS-43. The orbit of the planet around HATS-43 has semi-major axis 7.41×109m, eccentricity 0.173, and period 4.39 days. Find the distance between HATS-43 and the planet...
Planet X has a mass of 4.86 x 102 kg and it orbits 1.09 x 108...
Planet X has a mass of 4.86 x 102 kg and it orbits 1.09 x 108 km from a star with a period of 225 days. What is the angular momentum of the planet around its star? Answer in units of kg m²/sec. Due to its large distance from its star, you can treat the planet as a point mass in its circular motion around the star. O 1.86 x 1040 O 1.61 x 1039 O 2.93 x 1039 O...
3) The next two questions pertain to the following situation. Star S has two planets, X and Y, that both orbit Sin uniform circular motion. Planet X of mass my = 2.7 x 1021 kg orbits star S in uniform circular motion at a distance rx = 2.8 * 1012 m and with speed vx = 9.7 x 104 m/s. The mass of star S is Ms and its radius is Rs = 2 x 10 m, as shown in...
In a newly discovered exoplanetary system one planet orbits its star in 56 days with an average orbital radius of 107,588,122 kilometers. It is observed that another planet in the same system has orbital period of 373 days. What is its average orbital radius of the second planet? Express your answer in kilometers, use scientific notation and round the coefficient to two decimals. In a newly discovered exoplanetary system one planet orbits its star in 57 days with an average...
Planet X has a mass of 4.86 x 102 kg and it orbits 1.09 x 108 km from a star with a period of 225 days. What is the angular momentum of the planet around its star? Answer in units of kg m²/sec. Due to its large distance from its star, you can treat the planet as a point mass in its circular motion around the star. O 1.86 x 1040 O 1.61 x 1039 O 2.93 x 1039 O...
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