Ancient astronomers postulated that the sun, moon, stars, and planets were tied to a revolving what to account for their daily and annual movements.
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: If Earth be one half of its present distance from the Sun, by how many days will the present one…
A: According to Kepler’s third law, the orbital time period and the semi major axis of the orbit are…
Q: Although we say that the Earth orbits the Sun, in reality they are both orbiting the center of mass.…
A:
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…
A:
Q: If the semi-major axis, a, is measured in AU and the orbital period, p, is measured in years, then…
A: No, its too big. We know Jupiter as like other planets rotates around sun. Although the Jupiter not…
Q: A newly discovered planet orbits a star identical to our own with a period of 0.5years and an…
A: Newton gave his well know law of gravitation. Kepler gave 3 laws which govern the motion of…
Q: The Earth is not a perfect sphere because it is spinning with respect to most of the universe. The…
A: We know that ,due to non spherical shape of tidal force exerted by sun and moon as a torque on a…
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: What does the greek symbol u mean in Physics? (Pronounced mu?) Also, what does angular mean? (As…
A: a- To define the greak symbol μ (Pronounced as mu). b- To define angular (ω).
Q: believe that Earth should be
A: The concept of spherical earth originated in the mind of Greek philosophers. In India the spherical…
Q: discuss some of the cultural and philosophical implications related to the geocentric model
A: The geocentric model, which places the Earth at the center of the universe, has had significant…
Q: Tycho Brahe's observations of the stars and planets were accurate to about 1 arc minute. To what…
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Q: Every 30 days, the area swept in space by the planet is different. Every 30 days, the distance…
A:
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: A newly discovered planet orbits a star identical to our own with a period of 0.5years and an…
A: We have a planet which orbits around a star of mass say M in an orbit with eccentricity e=0.4 and…
Q: If we see the stars at night on a point of the equator line on the earth, the most stars motion is…
A: 1. Stars at the Celestial Poles (e.g., North or South Pole):Stars appear to move in perfect circles…
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: UUse the table to answer questions T13 A student collects the following data about the Sun, stars,…
A:
Q: Explain how the earth’s rotation affects the apparent weight of an object at different latitudes?
A:
Q: Where is the Sun relative to Mars on April 14, 2012?
A: On April 14, 2012 Sun was 57.4 million miles away from Mars.
Q: Saturn's moon Titan is observed to orbit with a period = 15.945 days and at a %3D distance =…
A:
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: A space ship lands on an unknown planet. The occupants notice that the stars never rise or set but…
A: A planet can be considered to have two halves, one half is its northern hemisphere and the other…
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: If Earth rotated once every 48 hours, and everything else was the same, which of the following…
A: It is the rotation of the Earth, which decides about day and night.
Q: For daily and yearly motions, ancient astronomers thought that the sun, moon, stars, and planets…
A: Give: Ancient astronomers thought that the sun, moon, and stars were locked to concentric circles…
Q: Choose the BEST answer to the following: The highest ocean tides occur when the Earth and Moon are…
A: Tides are long period waves that roll around the planet as the ocean by the gravitational pull of…
Q: law of planetary motion tells us about the constant variable in planetary orbits in line with the…
A: Keplers law of planetary motion tells us about the constant variable in planetary orbits in line…
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: Suppose there's a hole through the centre of the earth. An object is dropped through that hole from…
A: Height from which the object is dropped is given as, h = 100 km Gravitational Constant, G =…
Ancient astronomers postulated that the sun, moon, stars, and planets were tied to a revolving what to account for their daily and annual movements.
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