SUN AND PLANET FACTS

SUN AND PLANET FACTS

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SUN AND PLANET FACTS
Sun -- * middle-sized yellow star
* formed from cloud of hydrogen gas and dust, 5 billion years ago
* holds 99.85% of the mass of our solar system
* 92% hydrogen and 8% helium
* Core is 27 million degrees Fahrenheit
* nuclear reactions of hydrogen atoms being forced together under
high temperature and pressure to form helium
* heat is from nuclear reactions

Terrestrial planets – dense planets

Mercury -- * orbit 88 Earth days, rotation 58 ½ Earth years
* 800° F on the Sun side to -297° F on the dark side
* no atmosphere because so small
* covered in craters, bombarded with asteroids and comets
* gray
* mostly iron and very dense

Venus -- * orbit 225 earth days, rotation 243 days; day is longer than its year
* 908° F to 710° F
* thick carbon dioxide atmosphere keeps temperatures hotter than Mercury, 90 times the atmospheric pressure of earth
* only planet to rotate clockwise
* many volcanoes
* yellowish – white

Earth -- * only planet we know has life
* orbit 365 days, rotation 24 hours
* -100° F to 120° F
* atmosphere with oxygen
* liquid water is abundant
* bluish – green

Mars -- * Orbit 2 earth years, rotation 24 hours and 30 minutes
* - 117° F to - 27° F
* thin carbon dioxide atmosphere
* red - orange color, covered in rust
* polar ice caps, liquid water in the past
* 2 rovers on its surface

Main Asteroid Belt -- Rocky remnants from our early solar system, largest rock is 620 miles across.
Gas Planets – Planets without any solid metals or rocks on the outer surface.
May not be able to walk on these planets. May have a rocky or icy center.

Jupiter -- * largest planet, made of gas with icy core
* orbits 12 years, rotates every 9 hours
* faint rings
* atmosphere filled with storms and lightning
* winds up to 250 mph
* Giant Red Spot, massive storm raging for the last 300 years
* orange, brown, red and white bands
* – 145° F
* 50 moons

Saturn -- * second largest planet, gas with solid icy core
* least dense, made of hydrogen and helium
* winds 1100 mph
* largest and most beautiful rings; made of ice, dust and rocks, up to 1000 rings in total
* rings are 150,000 miles wide but only half a mile thick
* pale yellow
* - 178° F
* orbits 30 years, rotates every 10 hours
* 53 moons

Uranus -- * gas planet with rocky, icy core
* faint rings
* light blue-green color due to methane gas atmosphere
* 84 years to orbit, rotates on its side every 17 hours. Side rotation may be due to a large object smashing into it or a moon being pulled out of it
* – 350° F
* 27 moons

Neptune -- * gas planet with rocky, icy core
* faint rings,
* Light blue color due to methane gas atmosphere
* Cloud moving quickly across the planet
* Fastest winds of 1250 mph
* 165 years to orbit, rotates every 16 hours
* – 392° F
* 13 moons
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Are Saturn’s moons in the rings? Do the moons collide with the ring particles?

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Why does Saturn have so many moons, but Earth has only one?

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Are Saturn’s moons like Earth’s Moon?

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Last Answer : Yes and no. Many of them are covered with impact craters like our Moon, but the moons of Saturn are made up of much more water ice than Earth's moon. Earth's Moon may have very tiny patches of ice, ... , and un-like all of the other 60 or so moons in the Solar System, Titan has a thick atmosphere.

How many moons does Saturn have?

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Last Answer : At least 18 moons orbit Saturn. Until recently, Saturn was the moon champion, recognized as having more than any other planet in the Solar System. However, astronomers have announced discoveries ... faces away from their direction of motion. These are called the leading and trailing hemispheres.

If Earth had rings like Saturn’s, what would they look like from the ground?

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Last Answer : If you were to scale down Saturn and its ring system so that Saturn was the size of Earth, the outer edge of the A ring would stretch about 6,400 km (4,000 mi) from Earth's ... Earth had rings like Saturn's, they would appear exceptionally beautiful on the summer solstice from midlatitudes at noon.

Why doesn’t Earth have rings?

Description : Why doesn’t Earth have rings?

Last Answer : The small inner planets may have had rings in the past and may have rings again in the future. One prevalent theory says that ring systems are much younger than the age of the Solar System, and as ... orbit around our planet. In a very short time, this debris would gather together to form the Moon.

How old are the rings? Has Saturn always had rings? Will it always have rings?

Description : How old are the rings? Has Saturn always had rings? Will it always have rings?

Last Answer : Using data collected by NASA's Pioneer and Voyager spacecraft, scientists have estimated that Saturn's rings are only 100 million years old, a small fraction of the 4.6 billion years the Solar ... Saturn. It is now apparent that Saturn's rings are complex, dynamic, and constantly evolving things.

Why does Saturn have rings? How were the rings made?

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Last Answer : The rings probably formed primarily because one or more small moons broke up close to Saturn. This breakup could have been the result of a collision with a comet or asteroid, or with another moon in ... This slowly grinds them down in size and spreads them out, gradually adding to Saturn's rings.

Does Saturn have seasons like Earth’s?

Description : Does Saturn have seasons like Earth’s?

Last Answer : Yes, sort of. Earth has seasons because of the tilt of its axis. Imagine a line drawn through Earth from the North Pole to the South Pole. This line always points toward the distant star Polaris, no ... it's summer in Australia: Earth is slightly closer to the Sun in January than it is in July. 

How long is a year on Saturn?

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Last Answer : A year is the time it takes for Earth to make one complete trip around the Sun, or about 365 Earth days. It takes Saturn 29.5 Earth years to travel once around the Sun, so one Saturn year is about 30 Earth years. ... orbit around the Sun since you were born! (15/30 = 1/2 = 0.5 of a Saturn year old)

How long is a month on Saturn?

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Last Answer : A calendar month on Earth is a bit longer than the time it takes for the Moon to completely orbit Earth and go through a full set of moon phases - about 29.5 days. Saturn has many moons whose ... , which takes about 16 Earth days to orbit Saturn, then a Saturn month would be 36 Saturn days long.

How long is a day on Saturn?

Description : How long is a day on Saturn?

Last Answer : A day on Earth is 24 hours long - the time it takes Earth to make one complete rotation relative to the Sun. Saturn's day is 10 hours 39 minutes - the time it takes Saturn to make one complete ... though Saturn is much larger than Earth, a Saturn day is less than half as long as an Earth day.

Does Saturn have a magnetic field like Earth’s?

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Last Answer : Yes. Deep inside Saturn, probably in the deepest layers of liquid hydrogen and helium, something is causing Saturn to act like a giant magnet. The same sort of thing happens in the hot liquid ... . Auroras are caused when particles streaming from the Sun interact with Saturn's magnetic field.

Is there life on Saturn?

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Since Saturn and Jupiter are both made up of mostly hydrogen and helium, why isn’t Saturn the same color as Jupiter?

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Last Answer : Saturn is a world of white and pastel yellow cloud layers, perhaps somewhat reminiscent of the colors in a lemon meringue pie. Jupiter, by contrast, displays bright yellows, oranges, and reds in exotic swirls ... do exist on Saturn, they are harder to see because the colors do not contrast as much.

Does Saturn have winds and storms?

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What is the temperature on Saturn?

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What’s gravity like on Saturn? Would I weigh the same on Saturn as on Earth?

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Is it debatable that west is wherever the sun is setting?

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Last Answer : No. Not in the north and south poles. Where night is 24 hours a day in the summer ,and reversed in the winter.

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Is it possible for the Sun to break up in two? (Two Suns)?

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Last Answer : answer:Like mitosis? Splitting like a cell? There's no evidence that I'm aware of that would suggest this has happened or could happen. It may be possible for planets to orbit a binary star ... science fiction, go right ahead and write about a planet in a binary star system. Enough people have.

Can I " get sun" in the winter?

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Is there an official video for the song "Here Comes the Sun" as recorded by The Beatles?

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Why does the sun make me sneeze?

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Last Answer : You’re not alone. This happens to me too. Here’s an article on it: http://en.wikipedia.org/wiki/Photic_sneeze_reflex

Why do freckles appear when you get more sun?

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Last Answer : answer:From wiki “The formation of freckles is triggered by exposure to sunlight. The exposure to UV-B radiation activates melanocytes to increase melanin production, which can cause freckles to become darker.”

Humans are not to look directly in to the sun. What will happen if one does?

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Last Answer : My mom said you will go blind.

Should dark skinned people use sun screen when tanning?

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Last Answer : Yes you should use sunscreen.

If the sun is closer to Earth in the winter, then why is it so cold? And if the sun is farther away in the summer, then why is it so warm?

Description : If the sun is closer to Earth in the winter, then why is it so cold? And if the sun is farther away in the summer, then why is it so warm?

Last Answer : answer:If the sun's rays hit the Earth straight on then it will be warm. This happens during the summer. If the sun's rays hit the Earth at an angle then the same amount of ... winter. The change in distance between the seasons is relatively slight and thus has negligible effect on temperature.

What would we experience if the sun suddenly did not exist?

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Last Answer : answer:Well with no solar light. 99% of our plants will die, we will slowly freeze over having nothing to heat us up, and we will be forced to live underground until we outweigh our oxygen supplies due to lack of oxygen-making plant-life. That said, we would die pretty fast.

How will you react, when the sun is gone?

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Last Answer : I think I’d be more worried if I were worried.

Why do my eyes change color in the sun?

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Last Answer : answer:Sunlight is a different color than fluorescent light. I get the same illusion when painting. If I am not painting in natural light the painting will be too green/blue/cool by natural light. ... than I can. It describes how paint color looks different on walls depending on the light source.

When you paint the sun over the sea, How can you tell if this painting is a sunrise or sunset?

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Last Answer : Good question! I think that the only way you could tell my photos are all of a sunset is simply because I wouldn't be UP at sunrise taking pictures! I'm thinking that to suggest a sunrise, maybe ... than if you wanted to suggest a sunset ..so, same colors, only slightly darker tones for a sunset ?

How long can you stare at the sun before going blind or suffer irreversible damage?

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Last Answer : Here is an excerpt from an article that I found on the Internet: The Sun gives out light, but it also gives out heat energy. This heat energy is focused and concentrated onto the central part of ... with petroleum jelly. I personally don't know anyone that was ever blinded by staring at the sun.

Why do you get freckles from the sun?

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Last Answer : my first guess would be that it has something to do with pigment saturation, i’m sure someone will pop up a wiki answer in a few minutes :)

How to Relieve Sun Burn

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Last Answer : How to Relieve Sun Burn Summer is here, and as expected, you spent a little too much time by the beach, and under the sun. You now have bad sunburn all over your body, red, painful and sometimes itchy ... If you ever get a bad case of sunburn, just try these tactics to bring back your skin's health.

How to Make a Sun Dial

Description : How to Make a Sun Dial

Last Answer : How to Make a Sun Dial Before clocks and watches were invented, there was the sundial. Sundials were created and placed in strategic areas where people can determine the time by the shadows the sun ... . Point the gnomon due north. The shadow should fall along the correct or appropriate time line.

How to Build a Sun Room

Description : How to Build a Sun Room

Last Answer : How to Build a Sun Room How to Build a Sun Room Enjoying the warmth of the sun on a cold wintry day is an excellent way of spending a weekend or perhaps the winter holidays. And ... doors and windows. This glass can withstand the scorching sun, and create a favorable condition within the sunroom.

Are facts truly relevant when someone wishes to believe them?

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Last Answer : Hypocrisy_Central GQ! I have a lot to say this, but I’m on my phone right now. I’ll be back later this evening or in the morning with a long detailed reply.

Why still wear a bra when facts show they provide no benefit against ptosis in most women?

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Last Answer : answer:Dude, this is, like, the third time you've asked this question. I have tiny A cup boobs but even for me it hurts to walk up and down stairs or to run without a bra ... passed over for job opportunities, etc. because it is currently considered unprofessional or rude to show nipple dimples.

What are some embarrassing facts about you?

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Last Answer : answer:Wow, way to open yourself to the collective, @Katniss :-p On a somewhat similar note, people rag on me when they find out I like Savage Garden, but I continue to adore them. Their ... -poppy for my taste. I'll save some other embarrassing factoids for @ETPro's next TGIF NSFW question.

Is an opinion wrong when it goes against the facts?

Description : Is an opinion wrong when it goes against the facts?

Last Answer : The opinion you state above is normative, whereas the facts you are citing are descriptive. These are two different categories that cannot directly contradict one another.

What are 4 facts about the bow(music)

Description : What are 4 facts about the bow(music)

Last Answer : I’m guessing this is homework?