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ASTRONOMY
4. Suppose we make a scale model of the Solar System in which the model...
In solar Astronomy the standard unit of measurement for distance is the Astronomical Unit which is...
In solar Astronomy the standard unit of measurement for distance is the Astronomical Unit which is the average distance from the Earth to the Sun ( 1 1.5 10 ) 8 AU = km . In stellar Astronomy the distances are so large, that the standard units of length are the Light Year (LY) or the Parsec. A light year is the distance traveled by light in one year, know that light travels 300000 km per second in empty...
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,...
Kepler’s third law
Kepler’s third law. According to Kepler’s third law of planetary motion, the ratio t^2/r^3 has the same value for every planet in our solar system. R is the average radius of the orbit of the planet measured in astronomical units (AU), and T is the number of years it takes for one complete orbit of the sun. Jupiter orbits the sun in 11.86 years with an average radius of 5.2 AU, whereas Saturn orbits the sun in 29.46 years If...
QUESTION 2 If a hypothetical planet in our Solar System had a sidereal period of 20.6...
QUESTION 2 If a hypothetical planet in our Solar System had a sidereal period of 20.6 Earth years and a circular orbit, how far from the Sun in Astronomical Units would it be? Enter your answer to the nearest 0.01 AU.
A. The Sun travels in a circular orbit at a velocity of 220 km/second at a...
A. The Sun travels in a circular orbit at a velocity of 220 km/second at a distance of 8.0 kiloparsecs from the center of the Galaxy (note that these numbers are slightly different from those in your book). Calculate the number of years it takes the Sun to complete an orbit (i.e., the circumference of a circle with an 8.0 kiloparsec radius) around the center of the Galaxy. (There are 3.1 x 1013 kilometers/parsec and 3.2 x 107 seconds/year.) B....
Problem 13.03 Part A Suppose you're making a scale model of the solar system showing the...
Problem 13.03 Part A Suppose you're making a scale model of the solar system showing the eight planets (not including the dwarf planet Pluto) and having each planet at its farthest position from the Sun If you use a marble of radius 16 mm for Mercury how far from the Sun must you place your outermost planet? Express your answer with the appropriate units Lalue!Units Submit My Answers Give Up Incorrect; Iry Again; 3 attempts remaining Provide Feedback Continue
In Lecture 4, we discussed Kepler’s third law relatingthe orbital period of a planet (p) to...
In Lecture 4, we discussed Kepler’s third law relatingthe orbital period of a planet (p) to the semi-major axis (orbital distance, a) of its orbit(p2= a3). We can apply this law as long the object orbits the Sun or another object of the same mass, and the units of orbital period are in (Earth) years and the orbital distance is in Astronomical Units(AU). [1AU is equal to the distance between the Earth and the Sun]. [Note: Newton extended this law...
In our derivation of Kepler's laws, we assumed the only force on a planet is due...
In our derivation of Kepler's laws, we assumed the only force on
a planet is due to the Sun. In a real solar system, however, the
gravitational forces from the other planets can sometimes be
important. Calculate the gravitational force of Jupiter on the
Earth. Do the calculations for the cases when Jupiter is both
closest (Fc) to and farthest
(Ff) from the Earth (see the figure below).
(The properties of several objects in the solar system are given in...
Now M is the sum of the two masses in units of the solar mass .e. the mass of our Sun), while a i...
Now M is the sum of the two masses in units of the solar mass .e. the mass of our Sun), while a is still in AU and P in years. An important application of Newton's generalization of Kepler's third law is being able to dete mine mass of a central body based on the motion of a satellite around that body. If the satellite is much less massive than the body it's orbiting, then M is essentially equal to...
A well-known feature of our solar system is the asteroid belt between Mars and Jupiter. One...
A well-known feature of our solar system is the asteroid belt between Mars and Jupiter. One theory about the asteroid belt is that it's made of primordial material that was prevented from forming another planet by the gravitational pull of Jupiter when the solar system was formed. One of the largest asteroids is 951 Gaspra. Its distance from the Sun is 207.16 million miles. Use your linear regression equation to interpolate the length of its sidereal year. Please take the...
QUESTION 2 If a hypothetical planet in our Solar System had a sidereal period of 20.6 Earth years and a circular orbit, how far from the Sun in Astronomical Units would it be? Enter your answer to the nearest 0.01 AU.
Problem 13.03 Part A Suppose you're making a scale model of the solar system showing the eight planets (not including the dwarf planet Pluto) and having each planet at its farthest position from the Sun If you use a marble of radius 16 mm for Mercury how far from the Sun must you place your outermost planet? Express your answer with the appropriate units Lalue!Units Submit My Answers Give Up Incorrect; Iry Again; 3 attempts remaining Provide Feedback Continue
In our derivation of Kepler's laws, we assumed the only force on
a planet is due to the Sun. In a real solar system, however, the
gravitational forces from the other planets can sometimes be
important. Calculate the gravitational force of Jupiter on the
Earth. Do the calculations for the cases when Jupiter is both
closest (Fc) to and farthest
(Ff) from the Earth (see the figure below).
(The properties of several objects in the solar system are given in...
Now M is the sum of the two masses in units of the solar mass .e. the mass of our Sun), while a is still in AU and P in years. An important application of Newton's generalization of Kepler's third law is being able to dete mine mass of a central body based on the motion of a satellite around that body. If the satellite is much less massive than the body it's orbiting, then M is essentially equal to...
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