How fast does the moon spin

    • What is the Moon's average speed?

      • The moon orbits the Earth at an average speed of 2,300 miles an hour (3,700 kilometers an hour). • The moon's gravitational pull on the Earth is the main cause of the rise and fall of ocean tides.


    • Does the Moon rotate on its own axis?

      The moon is rotating around its own axis, one revolution around the its own axis in the same time that it takes to make one full circle around the earth. One way to see this is to imagine that you are hovering motionless in space (relative to the earth) somewhere outside the moon's orbit, and looking in the direction of the earth.


    • How fast does the Moon rotate on its axis?

      The moon orbits the Earth at approximately 2,288 miles per hour and completes one full orbit every 27.322 days. Additionally, the moon takes approximately 27 days to complete one full rotation on its own axis, called its rotational period, which closely matches its orbit around Earth.



    • [PDF File]Problem 1 - NASA

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      How does this orbit period compare to the period of particles at the inner edge of the Cassini Division? Answer: 22.5/11.49 = 1.94 which is nearly 2.0. This means that every time Mimas orbits once, the particles in the Cassini Division orbit about twice around Saturn. This is an example of an orbit resonance.

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    • [PDF File]L-11 Rotational Inertia symbol I - University of Iowa

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      How fast does it spin? • For spinning or rotational motion, the rotational inertia of an object plays the same role as ordinary mass for simple ... • The Moon is getting farther from the Earth because the Earth’s daily rotation is slowing down due to friction …

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    • [PDF File]Moons of the Solar System - NASA

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      Pluto, has a small moon of its own, named Dysnomia. Haumea, another dwarf planet, has two satellites, Hi’iaka and Namaka. FAST FACTS — PLANETS AND SELECTED MOONS. Mean Radius Mean Radius Planet Moon (km) (mi) Earth Moon 1,737.4 1,079.6 Mars Phobos 11.1 6.9 . Mars Deimos 6.2 3.9 Jupiter Io 1,821.6 1,131.9 Jupiter Europa41,560.8 969.8

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    • [PDF File]How Did the Moon Form?

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      Earth’s and Moon’s rotations and the Moon’s orbit) does this hypothesis require? [The Moon would be moving very fast when it was captured, giving a very large angular momentum to the Earth-Moon system. There should be an extremely largeamount of angular momentum in the system now.] 3.

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    • [PDF File]Spin-Orbit Coupling in the Earth-Moon System

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      Spin-Orbit Coupling in the Earth-Moon System Kirk T. McDonald Joseph Henry Laboratories, Princeton University, Princeton, NJ 08544 (November 2, 1982; updated July 12, 2013) 1Problem A prominent astronomical fact is that the Moon always shows the same face to the Earth. This means that the Moon rotates once about its axis each Earth month.

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    • [PDF File]How fast does the sun spin? 4 - NASA

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      Problem 2 – About how many days does it take to rotate once at the equator? The circumference of the sun is 2 π (696,000 km) = 4,400,000 kilometers. The equatorial speed is 66,000 km/day so the number of days equals 4,400,000/165,000 = 26.6 days. Inquiry Question:

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    • [PDF File]Origin of the Moon - University of Cambridge

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      Origin of the Moon The Earth-Moon system The Moon orbits the Earth at a moon = 385,000 km ... so Earth’s spin is also slowing (days are lengthening by 23µs/year) 4 ... But could Earth be spinning that fast (probably requires previous giant impact),

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    • [PDF File]How Fast Are You Moving When You Are Sitting Still? …

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      How Fast Are You Moving When You Are Sitting Still? ... The Earth as seen by the Apollo 17 Crew on the way to the Moon. Universe in the Classroom No. 71 • Spring 2007 Page 2 speed of 66,000 miles per hour ... Although the details of the Galaxy’s spin are complicated (stars at different distances move at different

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    • [PDF File]Does the Moon Rotate? - NASA

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      that the Moon does rotate, in the same amount of time it takes to make one orbit. Topics Covered • The rotation of the Moon • Rotation and orbits Participants Use this activity with families, the general public, and school or youth groups ages 7 and up. Location and Timing

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    • [DOC File]Rotational Motion:

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      If Earth rotated twice as fast as it currently does, but its motion around the Sun stayed the same, then. The would be twice as long. The night would be half as long. The year would be half as long. The length of the day would be unchanged. A long, thin cloud that stretched from directly overhead to the western horizon would have an angular ...

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    • [DOC File]Four theories for the origin of the Moon and Fourteen ...

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      The Moon is pulled towards Earth by Earth's _____, but because it is so far away and is moving so fast around Earth, it will never fall down. If the Moon were moving a lot faster it would escape Earth's gravity and fly off into ____________.

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    • Moon, Seasons, and Tides Test Review

      One key takeaway is that the moon is a mystery, but it impacts life on Earth. How does the author use diagrams to help you gain information? One key takeaway is that the author uses diagrams and pictures to help the reader understand the vocabulary and theories about the moon.

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    • [DOC File]UC Observatories

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      Global winds on earth (if earth didn’t spin or rotate) But, because earth does spin, the coriolis effect changes the winds to look like this: This can be found where? _____ Moisture. Changes in State. In reference tables on page ____ Evaporation: water to water vapor. It requires 540 calories of energy to convert . 1 gram of liquid water to ...

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    • RAP Chapter Book, The Moon.docx

      He realized it must be the same force that causes the apple to fall that causes the moon to fall toward earth. He then determined the acceleration of each object caused by this force to determine some relationship. Apple: Use simple kinematics, a – 9.8 m/s2. Moon: use rotational motion: a = v2/r . V is = x/t = 2(pi)r / (period) = 2(pi)r/T

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    • How fast does the Moon travel around Earth? | Cool Cosmos

      The light weight nature of the moon suggests this could be true; but how could it get slung out of the earth? There is no manner this could happen unless the Earth was spinning at an enormous speed. There is no way the Earth could spin that fast and then slow down to today’s rate of once a day.

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    • [DOC File]Astronomy Today, 5e Instructor’s Resource Manual

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      8) The Moon orbits Earth in an average of 27.3 days at an average distance of 384,000 kilometers. Using Newton's version of Kepler's third law. p2 = determine the mass of Earth. You may neglect the mass of the Moon in comparison to the mass of Earth. Answer: Using the Moon's orbital period and distance, the mass of Earth is about 6.0 × 1024 kg.

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    • [DOC File]Universities Space Research Association

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      However, Earth does orbit in the same direction as the other planets and, like them, has a nearly circular orbit. Impact with an object the size (mass) of Mars would significantly and permanently alter Earth’s orbit. 9 Calculations suggest Earth has never spun fast enough to throw off a moon-like body.

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    • [DOCX File]Universities Space Research Association

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      How much angular momentum in the Earth-Moon system (the combined energy of Earth’s and Moon’s rotations and the Moon’s orbit) does this hypothesis require? The giant impact hypothesis states that when the Earth formed, about 4.5 billion years ago, a nearby …

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