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Once there was a proposed planet called Vulcan (no reference to Star Trek) located a distance...
A planet is discovered to orbit around a star in the galaxy Andromeda, with the same...
A planet is discovered to orbit around a star in the galaxy Andromeda, with the same orbital diameter as the Earth around our Sun. If that star has 4 times the mass of our Sun, what will the period of revolution of that new planet be, compared to the Earth's orb o One-fourth as much o One-half as much Twice as much A. Four times much The average distance from the Earth to the Sun is defined as one "astronomical...
Tau Ceti is a star that is located 11.753 ly away. There is a planet orbiting...
Tau Ceti is a star that is located 11.753 ly away. There
is a planet orbiting this star with an orbital radius of 0.538 AU
(AU stands for astronimcal unit - the average distance between
Earth & the Sun). Fill in the table below by determining the
minimum diameter the objective of a telescope would need to be in
order to resolve the planet from the star at the stated
wavelengths. 1 ly = 9.461 × 1015 m & 1...
In recent years, scientists have discovered hundreds of planets orbiting other stars. Some of these planets...
In recent years, scientists have discovered hundreds of planets orbiting other stars. Some of these planets are in orbits that are similar to that of earth, which orbits the sun (Msun = 1.99 × 1030 kg) at a distance of 1.50 × 1011 m, called 1 astronomical unit (1 au). Others have extreme orbits that are much different from anything in our solar system. The following problem relates to one of these planets that follows circular orbit around its star....
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...
1. An object is orbiting around the planet Quakers with an average distance of 75,000 km....
1. An object is orbiting around the planet Quakers with an average distance of 75,000 km. The value of "k" - 6.9 x 10" (units of days and km). What is the orbital period in days? 2. If an object has an orbital period of 85 years and is at an average distance of 24 AU from the object it orbits, what is the value of "k"? 3. If an object is orbiting the Sun with an orbital period of...
6. Given that the distance to the Moon is 384000 km, and taking the Moon’s orbit...
6. Given that the distance to the Moon is 384000 km, and taking the Moon’s orbit around Earth to be circular, estimate the speed (in kilometers per second) at which the Moon orbits the Earth. 7. The baseline in Figure 0.19 in the textbook is 100 m and the angle at B is 60 degrees. Using the tangent function, calculate the distance from A to the tree Ch. 1 Discussion Questions 2. The benefit of our current knowledge lets us...
2) Planet Velocities and Energy (10 pts) We talked about how planet formation involves the collisions...
2) Planet Velocities and Energy (10 pts) We talked about how planet formation involves the collisions of bodies (planetesimals, embryos) leading to the growth (and heating) of a planet. Let's think about the velocities and energies involved here. a) The speed of a body in its orbit around the Sun is given by the equation V2= GM.[(2/r) - (1/a)] Here Vis the speed of the body in m/s, G is the gravitational constant, M. is the mass of the Sun...
3a. A planet that keeps the same hemisphere pointed towards the Sun must rotate once per...
3a. A planet that keeps the same hemisphere pointed towards the Sun must rotate once per orbit in the prograde direction. Draw a diagram to demonstrate this fact. The rotational period in an inertial frame, the sidereal day, for such a planet is equal to the orbital period, the length of the solar day on such a planet is infinite (this is known as being tidally locked). b. If a planet rotated once per orbit in the retrograde direction, how...
3a. A planet that keeps the same hemisphere pointed towards the Sun must rotate once per...
3a. A planet that keeps the same hemisphere pointed towards the Sun must rotate once per orbit in the prograde direction. Draw a diagram to demonstrate this fact. The rotational period in an inertial frame, the sidereal day, for such a planet is equal to the orbital period, the length of the solar day on such a planet is infinite (this is known as being tidally locked). b. If a planet rotated once per orbit in the retrograde direction, how...
In all parts of this problem, assume the planet is located at its mean distance from...
In all parts of this problem, assume the planet is located at its mean distance from the Sun as shown in Chapter 5 of the textbook. (These same distances can be found at http://theanswermachine.tripod.com/id2.html.) How long would it take a message sent as radio waves from Earth to reach the following? (a) Mars when it is nearest to Earth minutes (b) Pluto when farthest from the Earth minutes
A planet is discovered to orbit around a star in the galaxy Andromeda, with the same orbital diameter as the Earth around our Sun. If that star has 4 times the mass of our Sun, what will the period of revolution of that new planet be, compared to the Earth's orb o One-fourth as much o One-half as much Twice as much A. Four times much The average distance from the Earth to the Sun is defined as one "astronomical...
Tau Ceti is a star that is located 11.753 ly away. There
is a planet orbiting this star with an orbital radius of 0.538 AU
(AU stands for astronimcal unit - the average distance between
Earth & the Sun). Fill in the table below by determining the
minimum diameter the objective of a telescope would need to be in
order to resolve the planet from the star at the stated
wavelengths. 1 ly = 9.461 × 1015 m & 1...
1. An object is orbiting around the planet Quakers with an average distance of 75,000 km. The value of "k" - 6.9 x 10" (units of days and km). What is the orbital period in days? 2. If an object has an orbital period of 85 years and is at an average distance of 24 AU from the object it orbits, what is the value of "k"? 3. If an object is orbiting the Sun with an orbital period of...
2) Planet Velocities and Energy (10 pts) We talked about how planet formation involves the collisions of bodies (planetesimals, embryos) leading to the growth (and heating) of a planet. Let's think about the velocities and energies involved here. a) The speed of a body in its orbit around the Sun is given by the equation V2= GM.[(2/r) - (1/a)] Here Vis the speed of the body in m/s, G is the gravitational constant, M. is the mass of the Sun...
3a. A planet that keeps the same hemisphere pointed towards the Sun must rotate once per orbit in the prograde direction. Draw a diagram to demonstrate this fact. The rotational period in an inertial frame, the sidereal day, for such a planet is equal to the orbital period, the length of the solar day on such a planet is infinite (this is known as being tidally locked). b. If a planet rotated once per orbit in the retrograde direction, how...
3a. A planet that keeps the same hemisphere pointed towards the Sun must rotate once per orbit in the prograde direction. Draw a diagram to demonstrate this fact. The rotational period in an inertial frame, the sidereal day, for such a planet is equal to the orbital period, the length of the solar day on such a planet is infinite (this is known as being tidally locked). b. If a planet rotated once per orbit in the retrograde direction, how...
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