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The Moon

The Moon is the only natural satellite of the Earth, and the only celestial body where humans have landed. It is approximately 384,403 kilometers (238,857 miles) away from the Earth, and has an approximate diameter of 3,476 kilometers (2,160 miles).

500 Questions

Which term would you use to describe the spinning of Earths on its axis?

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Asked by Wiki User

Rotation or Rotating.

If you stand at either the North Pole or the South Pole , you just twist/rotate on the spot.

However, if you are at the Eqautor you are rotating at about 1,000 miles per hour.

At latitudes 60N & 60 S your rotational speed is about 500 miles per hour.

Are tides high on every full moon or new moon?

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Asked by Wiki User

There are two high tides and two low tides every day.

The tides follow the Moon's drag . So as the Earth rotates daily, that part facing the Moon has an high tide. The opposite of the Earth also has an high tide at the same time; this can be thought of as a 'WHEEL BALANCING'effect.

As the Moon orbits the Earth, the height of high tides and low tides varies.

At New/Full Moon we have Spring(very High) high /low tides . This is because the Sun and Moon are pulling together.

When the Moon is at first or last Quarter. The Sun and Moon are pulling at right angles to each other, so the Earth has Neap(not so high) high/low tides.

At the Vernal and Autumnal Equinoxes The Spring tides can be even higher/lower again . This is due to the Earth's nearness to the Sun, on its ellipsoidal orbit.

Since the Moon is moving/orbiting about the Earth, the mean time between High Tide and Low Tide is 6 hours 22 minutes and a few seconds. This means that over a 24 hours period (Midnight to midnight) you may 'miss' a tide. There will be only three tides in a given day ; 2 high and one low or, one high and two lows.

I would suggest that you have a look at the yearly tide tables/times for a given location, say New York City or better still the Bay of Fundy. Just compare the high/lows times for a given location.

Itbis quite a complex, but beautiful natural system.

Hope that helps!!!!!

Is the moon a space ship?

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Asked by Snake321

We are all 'space ships'. Because we all move around in Space.

Is 600km smaller or bigger than 5m?

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Asked by Wiki User

600km 5m <,>,or =

Does the moon spin on its own axis?

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Asked by Wiki User

YES!!!

However, the spin is very slow, much slower than the Earth.

In the 1 month (28/29 days) that it orbits the Earth, it only rotates once.

Consequently, people on Earth only see one face.

It has been calculated that the Earth only sees 59% of the Moon's surface. The other 41% has always been hidden from the Earth.

Has the moon gone closer to the earth?

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Asked by Wiki User

YES!!!!

All astronimic objects move closer to and away from each other.

Its explained by Newton;s three Laws of Universal Dynamics. (Gravity).

Masses , Acceleration , Gravity all play against each other . So everything moves closer to and away from each other.

Does the sun ever move closer or farther from the earth?

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Asked by Wiki User

YES!!!

Or to put it the other way around, the Earth moves closer and further away from the Sun.

Reason. Our orbital track about the Sun is elliptical in shape, NOT cicular.

The Sun lies at one of the foci of the ellipse , NOT the centre. Ther other foci can be thought of as a 'blind' foccus.

Over a period of twelve months (1 year) the Earth travels from near the Sun (perigee) to furthest from the Sun )apogee). and then swings back again.

Go to Wikipedia. Look for 'Johannes Kepler' , who gave us the law of orbital motion of sweeping equal arcs in equal times.

Subsequent research to Kepler reveals, that the ellipse that Earth follows, over a period of time , both widens to near a circle, and then narrows to a narrow ellipse.

Also , with each circuit/orbit the ellipse does not close-up, bur slightly overlaps.

This distance given from the Sun is 93,000,000 miles. This is only a mean distance, and can close to 91,000,000 miles or extand to 94,500,000 miles

So yes , the Sun becomes closer to or futher away from the Earth . All the other planets in the Solar System do this too!!!! We all 'dance' through space.

S

All about Mars?

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Asked by Wiki User

Mars, often called the "Red Planet," is the fourth planet from the Sun in our solar system. It's known for its reddish appearance due to iron oxide (rust) on its surface. Here's a brief overview:

  1. **Physical Characteristics**: Mars has a thin atmosphere composed mostly of carbon dioxide. It has polar ice caps, which consist of water and frozen carbon dioxide. The planet has diverse terrain, including mountains, valleys, and vast plains.

  2. **Moons**: Mars has two small moons, Phobos and Deimos, which are irregularly shaped and likely captured asteroids.

  3. **Exploration**: Mars has been the subject of numerous space missions. Notable ones include the Viking missions in the 1970s, the Mars rovers Spirit, Opportunity, and Curiosity, and more recent missions like NASA's Perseverance rover.

  4. **Potential for Life**: Mars is a prime target for the search for past or present life beyond Earth. Evidence suggests that liquid water existed on its surface in the past, and there are regions where it may still exist underground.

  5. **Future Missions**: Several space agencies and private companies have plans for future missions to Mars, including crewed missions. These missions aim to further explore the planet, study its geology, and potentially prepare for human settlement.

  6. **Challenges**: Mars exploration poses numerous challenges, including the harsh environment, distance from Earth, and the need for advanced technology to support human life.

Overall, Mars continues to captivate the imagination of scientists and space enthusiasts alike as humanity explores the possibilities of reaching and even colonizing the Red Planet.

What is the weight of a 42 kg object if the object was on the moon where g is always 1.6 ms?

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Asked by Wiki User

The mass of an object does not depend on gravitational pull. Their mass would still be 42 g on the moon.

(By the way, that's one small person, with the mass of about 3 empty soda cans...)

Why does the sun shine on only one side of the earth at a time?

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Asked by Wiki User

As in realestate : location, location, location.

Has anyone gone on the moon?

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Asked by Wiki User

Yes, people have been on the moon since 1987

Does Jupiter have more or less mass than earth?

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Asked by Wiki User

Jupiter is around 318 times the mass of Earth. Jupiter has a mass of approximately 1.898 × 10^27 kilograms (4.184 × 10^27 pounds), whereas Earth's mass is around 5.972 × 10^24 kilograms (1.316 × 10^25 pounds). Jupiter is far bigger and more massive than Earth.10

What does the moon do after a full moon?

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Asked by Wiki User

It wanes to become the Last Quarter and then it becomes the next New Moon.

The Moon orbits the Earth approximately once every 28 or 29 days.

At day '1' it is a New Moon. (Possible Solar Eclipse)

At day '7' it is in First Quarter. (Seen as a half Moon shape in the evening)

Ar day '14' it is at Full Moon ( Seen completely round and bright at night. Possible Lunar Eclipse).

Ar day '21' it is at Last Quarter. (Seen as a half Moon shape in the morning).

At day 28/29 it is at New Moon gain ( to repeat the next orbit).

From day '1' to day '14' it is in the WAXING phase.

From day '14' to day '28/29' it is in the WANING phase).

From day '21' through day '1' to day '7' it is CRESCENT shaped.

From day '7' through day '14' to day '21' it is GIBBOUS shaped.

The plane of the Moon's orbit about the Earth is angled at about 5 degrees to the plane of the Earth's orbit about the Sun. This is the reason why at a given phase point it may appear to be higher/lower in sky than at the same point in its previous orbit.

The Moon makes 13 orbits about the Earth in one Year.

The Earth and the Moon follow a mean orvital track about the Sun. However, because the Moon is so large and near to Earth, it pulls the Earth in and out of this mean track.

We can think of the Earth and Moon 'dancing' through space.

The old lore in England; In very clear weather sometimes you see the crescent Moon, with the 'ghost' of the full circle of the Moon. It is said of as being the New Moon with the Old Moon in her arms'.

Where does the light come from that you see from the moon?

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Asked by Wiki User

The light comes from the Sun.

Not only does the Sun shine on Earth, but it also shines on the Moon. The sunlight that shines onto the Moon is reflected back into space and we see it as moon light.

NB All the othert planets in the Solar System will have sun lighty.

Does the earth have a face?

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Asked by Wiki User

The Earth does not have a commonly acknowledged face such as is present in the popular notions of the lunar surface visible from Earth, and which is attributed to the phenomenon of pareidolia, or the perceiving faces in things which are really inanimate objects. This man on the Moon's eyes are caused by the darker lunar basins or seas, including Seas of Serenity, Rain, Vapors, and Clouds for the eyes mouth and nose.

Earth can be and often is metaphorically said to have a face in common usage of language to describe relative positions of features - for example, the side facing the Sun etc., but these are no more prevalent than the convenient usage for any other object with a notional face.

Does the sun have any moons?

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Asked by Wiki User

no its doesnt have any moons. because its to hot for it but they consider the planets to be the suns moons

How many days did it take the isrealites to go though the wilderness?

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Asked by Wiki User

Scholars calculate the Israelites to have wandered in the wilderness for 38 or 39 years; tradition holds it was "40 years" although that number may be an ancient metaphor for a generally large number and hence simply meaning, a long time although an actual forty years would still be pretty accurate. According the the Old Testament, Moses led them out of bondage from Egypt, Joshua helped lead them into the promised land.

What is the sea of tranquillity and why is it famous?

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Asked by Wiki User

The Sea of Tranquility, or Mare Tranquillitatis, is a darker basin on the lunar surface made famous because it was the selected location for landing of the first manned mission to the Moon; during Apollo 11, astronauts Neil Armstrong and Buzz Aldrin landed there, becoming the first people to visit another celestial body.

What the phase that results when the moon is on the opposite side of the earth from the sun?

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Asked by Wiki User

Q1. What causes a solar eclipse to occur?

Q2. What time of the day are you likely to see a waning recent moon most directly overhead?

Q3. How long does it take the earth's rotation axis to complete one full precession cycle?

Q4. How do the seasons in the northern and southern hemisphere compare?

Q5. What is the phase of the moon when the moon is between the sun and the earth?

Q6. What must be the phase of the moon for a solar eclipse to occur?

Q7. What is the phase of the moon that occurs halfway after the full moon and before the new moon?

Q8. What is the phase of the moon that occurs after the waxing quarter and before the the full moon?

Q9. What must be the phase of the moon for a lunar eclipse to occur?

Q10. What is the orientation of the earth during the summer solstice in the northern hemisphere?

Q11. What is the umbra of a planet or moon?

Q12. What is the phase of the moon that occurs halfway after the new moon and before the full moon?

Q13. What causes the lunar eclipse to occur?

Q14. What is the orientation of the earth during the spring and fall equinoxes?

Q15. What is the penumbra of a planet or moon?

Q16. What is the phase of the moon when the moon is on the opposite side of the earth fro the sun?

What do you call it when the moon changes its shape?

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Asked by Wiki User

The apparent change in the sunlit portion of the moon through the month is called waxing (getting larger, from crescent through full) or waning (getting smaller, from full down to crescent).

How much would a 70 kg man weight on the moon in Newtons?

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Asked by Wiki User

Mass experiences about 1.62 Newtons per kilo on the lunar surface. Hence a 70 kg man would "weigh" only 113.4N.

What is the speed of gravity on earth?

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Asked by Wiki User

The speed of gravity can not be measured because it does not move instead it is a field denting space and time

Gravity does not have a speed but at the Earth's surface it produces an acceleration of 9.08 metres per second per second on a falling object. In other words an object that is dropped will after one second be travelling at 9.08 m/s

What is the scientific explanation of the moon's absence?

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Asked by Wiki User

The moon doesn't always rise and set at night, sometimes it rises and sets during the day.

This is dependent on the phase of the moon.

The moon circles the earth once every 28 days.

The closer to full the moon is, the more hours it spends in the sky at night, because it is on the opposite side of the earth as the sun. That's why it is full - the sun is behind you, lighting the moon in front of you. A completely full moon will rise as the sun sets, and set as the sun rises, and will be visible all night.

The closer to "new" the moon is, the fewer hours it spends in the sky during the night, and the more time it spends during the day because it is on the SAME side of the earth as the sun. It appears "new" because the sun is behind it, lighting the far side of the moon. A completely new moon will rise and set with the sun, and will only be visible in the day.. or briefly at dusk.

A half-moon is up half the day and half the night. If you don't see a half-moon at night, it has either already set or hasn't risen yet.

The different shapes of the moon seen from earth are called?

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Asked by Wiki User

Moon Phases , or Lunar Phases.