Gaia Theory – Earth System Science

Posts Tagged ‘Sun’

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I learned here that the standard theory of ice ages is: Sun gets to maximum distance from earth > slight reduction in earth’s temperature > CO2 absorbed > further slight reduction in temperature > more CO2 absorbed > etc.. Opposite positive feedback when sun gets closer.

But why might Gaia set up, as it were, this situation. What, as it were, is in it for Gaia. Any ideas?
Thanks for the interesting answer. Since you bring up: ‘It suggests that salts in the ocean are regulated by life. How? ‘ This is one of my favourite bits so:

Coral island. Makes a ring of coral. Sea water inside the ring evaporates, leaving rock salt. Re floods. Process repeats …..

Lovelock may have distanced himself from this argument. It strikes me as particularly pretty.

Edit: The constancy of the salinity of the sea over opocks seems a bit ‘designed’. I assume rock salt deposits are where the excess salt has been put(?) It must be fairly simple to come up with a mechanism consistant with Gaia consistent with their geological context. Easier to believe Gaia if you imagine yourself the size of the moon.

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Help I really need to know this for my science project! I’m doing a presentation about the solar system.
Oh are you serious? Wow I always thought the sun went around the Earth.

Looks like I would have failed my project lol haha.

Ok then how many times does the Earth revolve around the Sun in one month?

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1. Describe the Sun-centered model of the solar system. What holds the solar system together?

2. explain how the planets in the solar system formed.

3. infer why life is unlikely on the outer planets in spite of the presence of water, methane, and ammonia — materials needed for life to develop.

4. List two reasons why the outer planets take longer to orbit the sun than the inner planets do.

5. Think Critically– Would a year on the planet neptune be longer or shorter than an earth year? explain.

I will pick a best answer!

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……cosmology and geology?

After all, for a long time Christians were adamant that Biblical statements like "the earth is fixed and cannot be moved" as denied any science saying that the earth revolved/rotated OR that it orbited around the sun. But somehow we as Christians were able to revise our interpretation of the Bible to accept a Copernican model of the earth’s place in the universe. BUT WHY HAS THE AGE OF THE EARTH BEEN AN ONGOING CONFLICT WITH SCIENCE?

So why were we able to admit our flawed Bible interpretation with the one idea but not the other?
=================================================
>proof

You will have to be more specific. Are you saying that Christians were satisfied with the scientific proof for heliocentric worldview OR are you asking for proof that Christians have admitted that their original exegesis was flawed????

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Large Objects (such as Mars and Jupiter) that orbit a star belong to a group of objects known as…..

A small chunk of ice and dust that revolve around the sun in a highly ellipitical orbit would be called a…..

A rocky object orbiting the sun to small to be a planet would be called a….

The planet that is most nearly the same as Earth in diameter mass and strenth of gravity is…

WORD BANK;

Jupiter
Neptune
Asteroid
Terrestrial
Venus
inertia
meteorite
planets
Mars
comet
gas
masses

THANK YOOH!

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I need to do a powerpoint on the solar system, if u can can u plz answer these questions?
1.What is the sun why is it important to the earth?
2.Explain day night and seasons, how do they occour?
3.Why is sun warmer in the summer?
4.What happens to the length of days during different seasons?
5.Why does the length of your shadow change in different seasons?
6.What is a satellite?
7. what are Artificial and natural satellites?
8. Uses of ARTIFICIAL satellites?
9. What is the moon?
10. Where is the moons place in the solar system?
11.Describe the phases of the moon as seen from earth.
12. Explain what happens in a solar and lunar eclipse
13. What are asteroids?
14. Describe our solar system and explain why we see the planets at night and why they look brighter than stars
15. How big is the earth compared to the sun and planets?
16. How do planets move and what keeps the in place?

I will chooooose a best answer so plzzz help me!

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Which object in our outer solar system has been changed in status from a planet to a dwarf planet?
Neptune
Uranus
Pluto
Jupiter

Which planet in our outer solar system is the largest?
Pluto
Saturn
Uranus
Jupiter

Which planet in our outer solar system has yellow and gold banding?
Pluto
Saturn
Uranus
Jupiter

Which planet in our outer solar system looks blue colored because of methane gas in its atmosphere and is also the farthest planet from the sun?
Neptune
Uranus
Pluto
Jupiter

Which planet in our outer solar system looks blue colored because of methane gas in its atmosphere and also has a year that lasts more than 30,000 Earth days?
Neptune
Uranus
Pluto
Saturn

Best answer for the person the helps out.
thanks.
much apreciatted,
These are questions i think will most likely be on my science test i just want help.

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1. About 99% of all matter contained in the solar nebula now exists in ______.

2. A rotating cloud of gas and dust from which Earth’s solar system formed is call a(n) ________.

3. Venus and Earth both experience a ___________ ____________ because of heat trapped by their atmosphere.

4. Compared to Earth today, early Earth had more _________.

5. The early atmosphere developed when many volcanic eruptions released large amounts of gases in a process called ___________.

6. The sun was formed when energy caused by ________ in the center of the cloud of gas and dust radiated into space.

7. About 90 percent of the stars in space are _____________ stars. <—-main sequence stars??

8. The sun produces energy by fusing hydrogen atoms into _________ atoms in its core.

9.The sun uses Hydrogen to produce ________ and __________ in its core.

10. Our sun is considered average because its temperature and absolute magnitude place it in the middle range of the ____________ on the H-R diagram.

11. Most of the mass of the universe that we can directly detect is found in __________.

12. Our solar system is located near the edge of which galaxy?

Please answer as many as you can and Thank You.

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Most, if not all would agree, that the sun is vital for human life to exist on earth. The sun with its solar system rotates around an arm of the Milky Way Galaxy composed of many stars, which in turn rotates around the centre of the Milky Way Galaxy composed of millions of stars. The Milky Way Galaxy
itself rotates around the local group of galaxies, which in turn probably rotate around a larger group. Perhaps this continues indefinately. It appears to mean that for life to exist on earth all these billions of heavenly bodies must exist as part of a great clock perhaps to infinity. If this is true, it is an awesome thought. The cost of our existence is beyond calculation. Is this true, using the facts of science alone ?

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As in, this is what Wiki says about the Sun:

"Solar formation is dated in two ways: the Sun’s current main sequence age, determined using computer models of stellar evolution and nucleocosmochronology, is thought to be about 4.57 billion years.This is in close accord with the radiometric date of the oldest solar system material, at 4.567 billion years ago"

Well they also say that 750 million years ago, or roughly a billion years ago, the earth start having volcanic activity and water started evaporating and stuff, etc, etc.

Well science also says that if the Sun became like three degrees cooler, the earth would freeze. So since a billion years ago, the sun was obviously three degrees cooler because the sun gets bigger over time, isn’t that proof that the things they said happened on earth a billion years ago, well, didn’t happen?
hehe, well I can’t back up the three degree cooler thing, that’s what someone told me that science says. ^_^
Thomas H does have a point.
well, lets put up Genesis 1 to see what it says:

Genesis 1
The History of Creation
1 In the beginning God created the heavens and the earth.
He may not believe the earth is billions of years old, I don’t know. What I do know is that he also was no science major, and most likely didn’t like school.

But those are the exact same people who every now and then, say something brilliant.
Religiuous Amanda, are you religious?

I’ve always wondered. ^_^
I did ask. ^_^