For daily and yearly motions, ancient astronomers thought that the sun, moon, stars, and planets were related to a rotating
Q: Satellite #1 and Satellite #2 are both in circular orbits around the Earth. The radius of Satellite…
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Q: Which unit of measurement is larger?
A: 1 rad = 57.3 degree. So for 1 rad we required 57.3 degree. So 1 degree = (1/57.3) < 1 rad
Q: At any moment the sun shines on how much of the mnoon?
A: Required :: At any moment the sun shines on how much of the moon.
Q: While the Earth spins around its axis and orbits around the sun, then suppose we remove the sun from…
A: While the Earth spins around its axis and orbits around the sun, then suppose we remove the sun from…
Q: 110. Which graph best represents the relationship between the mass of an object and its distance…
A: For an object as big as a planet, the distance considered in the inverse square law must be measured…
Q: A superior planet is having a sidereal period of 1.6 years. Calculate the synodic period?
A: A planet is said to be superior to another planet if the second planet's orbit lies inside the first…
Q: In what direction in space with respect to Earth's rotation axis and the plane of its orbit is the…
A: The Earth axis is tilted (23.5°). In june, sun's rays all the way to north pole ( in northern…
Q: What would be the period of revolution of a hypothetical planet whose circular orbit around the sun…
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Q: Calculate the magnitude of proper motion using ascension of 16.851 and declination-10.756 mas/yr
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Q: With the help of Kepler's law prove that the motion of a planet around the sun takes place in a…
A: The gravtational force is providing necessary centripetal forcesoGM mr2 = m…
Q: The earth is approximately spherical, but a much more accurate description is that an oblate…
A: The spherical shape is considered as a sphere with uniformity but it is not a sphere but looks…
Q: When do neap tides occur?
A: Tides are formed due to the gravitational pull of the moon and the sun as these bodies interact with…
Q: If the angular diameter of a body is 0.35 degrees and at a distance of 160 million km, then the…
A: Given,θ=0.35 degreed=160×106 km
Q: How long does its take the earth to Rotate once on its axis
A: The angular velocity of Earth is given below. ω=2πTT=2πω The angular velocity of Earth is…
Q: Calculate the difference in the gestational altitude (in km) by using solar day (24 hrs) and…
A: Where, Time in 1 Solar day T1 =(24hr x 60 min x 60 sec) =86400 sec. Time in 1 Sidereal day T2 =(23…
Q: The sidereal day is one rotation of the Earth relative to the The day is longer by 4 minutes. O Sun;…
A: Solar day is the time taken by earth to complete one rotation about its axis with respect to sun.…
Q: Saturn's moon Titan is observed to orbit with a period = 15.945 days and at a %3D distance =…
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Q: The Earth covers about 1° per day in its orbit about the Sun, and the solar day is slightly longer…
A: Step 1:If Earth spun in a retrograde direction like Venus but still had the same sidereal period of…
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: The time it takes the Earth to complete one 360-day rotation around its axis is 24 hours, 4…
A: To choose correct option for the time it takes the Earth to complete one 360-day rotation around its…
Q: What is the difference between rotation and revolution?
A: Rotation Revolution Rotation of the Earth is its turning on its axis. Revolution is the…
Q: The time it takes the Earth to complete one 360-day rotation around its axis is O 24 hours, 4…
A: Earth rotates on its axis as well as it revolves around sun .
Q: If the distance between the Earth and the Sun were halved, what would happen to the Sun's angular…
A: Angular diameter is not a distance it is an angle. In this case angle subtended by sun at earth is…
Q: Ancient astronomers believed that the sun, moon, stars, and planets were tied to a revolving what to…
A: It is required to explain the annual and daily movement of the sky.
Q: The fictional asteroid Lilliput orbits around the Sun one time every 3.605 Earth years. What is the…
A: Write the equation of Kepler’s third law. Here, T represents the time period, G represents the…
Q: Give examples where the concepts of ellipse is use in everyday activities or in any situation?
A: An ellipse is a plane curve surrounding two focal points, such that for all points on the curve, the…
Q: What is the difference between prograde rotation and retrograde rotation?
A: Given: prograde and retrograde rotation
Q: Arctic Circle OA B U Night D A pay D Equator 147 million km Sun 152 million km B (Not drawn to…
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Q: Tonight you see a waning crescent in the night sky. A few (n) days later, the night is once again…
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Q: be 6 feet. It takes about 6 hours for the tide to switch between low and high tides. Find its…
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Q: a. Describe the concept of "sphere of influence" and how it is estimated. b. Calculate the SOI for…
A: Part a: In astronomy, the sphere of influence is roughly a spherical region about an astronomical…
Q: The Earth is shown with the equator marked. Another circle is marked that corresponds to a latitude…
A: Consider the radius of the earth, Re the time period of the rotation of the rotation of the earth, T…
Q: Rotation of the sun
A: Sun: The Sun is the central star of our Solar System. It's a nearly perfect sphere of hot plasma,…
Q: Given that Earth is about 4.6 billion (4.6 x 10%) years old, how many precessional cycles have…
A: Geophysics.
Q: Define arc length, rotation angle, radius of curvature and angular velocity.
A: Arc length is defined as the distance between two points on a section of a curve(arc).
Q: )The apparent brightness of the Earth is inversely proportional to the square of the distance…
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Q: The earth revolves round the sun in one year. If the distance between them becomes double, the new…
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Q: Given that Earth is about 4.6 billion (4.6 × 10%) years old, how many precessional cycles have…
A: Precession takes place when the elliptical orbit path of an object rotates around its center.…
Q: Which of the following was used by Aristotle to prove the shape of the Earth? Which of the…
A: Introduction: Astronomy is the study of everything in the universe beyond Earth's atmosphere. That…
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