Sun - Revision history

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2026-02-06T00:10:54Z

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wikipedia:simple>Veritas Sapientiae: Reverted edits by the previous user

2025-11-07T10:25:31Z

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wikipedia:simple>Hiàn: Reverted edits by 203.6.69.2 (talk) to last version by ChenzwBot

2019-02-27T02:52:37Z

Reverted edits by 203.6.69.2 (talk) to last version by ChenzwBot

← Older revision		Revision as of 21:52, 26 February 2019
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	[[File:India Goa Fort Chapora Chapora River.jpg\|thumb\|250px\|The Sun as it is seen from [[Earth]]]]		[[File:India Goa Fort Chapora Chapora River.jpg\|thumb\|250px\|The Sun as it is seen from [[Earth]]]]

	The '''Sun''' in the center of our solar system is a yellow dwarf star. It gives off [[energy]] as [[electromagnetic radiation\|light]]. That includes light, [[infra-red]] energy (heat), [[ultraviolet light]] and [[radio]] waves. It also gives off a stream of [[particle]]s, which reaches Earth as "[[solar wind]]". The source of all this energy is the reaction in the star which turns [[hydrogen]] into [[helium]] and makes huge amounts of energy.		The '''Sun''' in the center of our solar system is a yellow dwarf star. It gives off [[energy]] as [[electromagnetic radiation\|light]]. That includes light, [[infra-red]] energy (heat), [[ultraviolet light]] and [[radio]] waves. It also gives off a stream of [[particle]]s, which reaches Earth as "[[solar wind]]". The source of all this energy is the reaction in the star which turns [[hydrogen]] into [[helium]] and makes huge amounts of energy.

	~~Adam Lazar somtimes stares into the sun for pleasure (he is now colour blind)~~

	The Sun is a star like many others in our [[Milky Way]] [[galaxy]]. It has existed for a little over 4.5 [[billion]] years, and is going to continue for at least as long. The Sun is about a hundred times as wide as the Earth. It has a mass of {{val\|1.9891\|e=30\|u=kg}}, which is 333,000 times the mass of the Earth. The Earth can also fit inside the Sun 1.3 million times.		The Sun is a star like many others in our [[Milky Way]] [[galaxy]]. It has existed for a little over 4.5 [[billion]] years, and is going to continue for at least as long. The Sun is about a hundred times as wide as the Earth. It has a mass of {{val\|1.9891\|e=30\|u=kg}}, which is 333,000 times the mass of the Earth. The Earth can also fit inside the Sun 1.3 million times.

203.6.69.2: /* How it works */

2019-02-27T02:50:18Z

How it works

← Older revision		Revision as of 21:50, 26 February 2019
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	[[File:India Goa Fort Chapora Chapora River.jpg\|thumb\|250px\|The Sun as it is seen from [[Earth]]]]		[[File:India Goa Fort Chapora Chapora River.jpg\|thumb\|250px\|The Sun as it is seen from [[Earth]]]]

	The '''Sun''' in the center of our solar system is a yellow dwarf star. It gives off [[energy]] as [[electromagnetic radiation\|light]]. That includes light, [[infra-red]] energy (heat), [[ultraviolet light]] and [[radio]] waves. It also gives off a stream of [[particle]]s, which reaches Earth as "[[solar wind]]". The source of all this energy is the reaction in the star which turns [[hydrogen]] into [[helium]] and makes huge amounts of energy.		The '''Sun''' in the center of our solar system is a yellow dwarf star. It gives off [[energy]] as [[electromagnetic radiation\|light]]. That includes light, [[infra-red]] energy (heat), [[ultraviolet light]] and [[radio]] waves. It also gives off a stream of [[particle]]s, which reaches Earth as "[[solar wind]]". The source of all this energy is the reaction in the star which turns [[hydrogen]] into [[helium]] and makes huge amounts of energy.

			Adam Lazar somtimes stares into the sun for pleasure (he is now colour blind)

	The Sun is a star like many others in our [[Milky Way]] [[galaxy]]. It has existed for a little over 4.5 [[billion]] years, and is going to continue for at least as long. The Sun is about a hundred times as wide as the Earth. It has a mass of {{val\|1.9891\|e=30\|u=kg}}, which is 333,000 times the mass of the Earth. The Earth can also fit inside the Sun 1.3 million times.		The Sun is a star like many others in our [[Milky Way]] [[galaxy]]. It has existed for a little over 4.5 [[billion]] years, and is going to continue for at least as long. The Sun is about a hundred times as wide as the Earth. It has a mass of {{val\|1.9891\|e=30\|u=kg}}, which is 333,000 times the mass of the Earth. The Earth can also fit inside the Sun 1.3 million times.

wikipedia:simple>ChenzwBot: Reverted edits by 142.118.114.203 (talk) to last version by Savh

2019-02-04T22:17:35Z

Reverted edits by 142.118.114.203 (talk) to last version by Savh

← Older revision		Revision as of 17:17, 4 February 2019
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	== Atmosphere ==		== Atmosphere ==
	Five layers make up the [[atmosphere]] of the Sun. The chromosphere, transition region, and corona are much hotter than the outer photosphere surface of the Sun.<ref name=Abhyankar1977/> It is believed that [[Alfvén wave]]s may pass through to heat the corona.<ref>		Five layers make up the [[atmosphere]] of the Sun. The chromosphere, transition region, and corona are much hotter than the outer photosphere surface of the Sun.<ref name=Abhyankar1977/> It is believed that [[Alfvén wave]]s may pass through to heat the corona.<ref>
	{{Cite journal\|last=De Pontieu B. ''et al''\|title=Chromospheric Alfvénic waves strong enough to power the solar wind\|journal=Science\|volume=318 \|issue=5856 \|pages=1574–77\|year=2007\|doi=10.1126/science.1151747\|pmid=18063784\|ref=harv\|bibcode = 2007Sci...318.1574D }}</ref>hi		{{Cite journal\|last=De Pontieu B. ''et al''\|title=Chromospheric Alfvénic waves strong enough to power the solar wind\|journal=Science\|volume=318 \|issue=5856 \|pages=1574–77\|year=2007\|doi=10.1126/science.1151747\|pmid=18063784\|ref=harv\|bibcode = 2007Sci...318.1574D }}</ref>

	The '''minimum temperature zone''', the coolest layer of the Sun, is about {{val\|500\|u=km}} above the photosphere. It has a temperature of about {{val\|4100\|ul=K}}.<ref name=Abhyankar1977>{{Cite journal\|last=Abhyankar K.D.\|title=A survey of the solar atmospheric models\|year=1977\|journal=Bull. Astr. Soc. India\|volume=5\|bibcode=1977BASI....5...40A\|pages=40–44\|url=http://prints.iiap.res.in/handle/2248/510\|ref=harv}}</ref> This part of the Sun is cool enough to allow simple molecules such as [[carbon monoxide]] and water to form. These molecules can be seen on the Sun with special instruments called spectroscopes.<ref name=Solanki1994>{{Cite journal\|last=Solanki S.K; Livingston W. & Ayres T\|title=New light on the heart of darkness of the solar chromosphere \|year=1994\|journal=Science\|pmid=17748350\|volume=263\|issue=5143\|pages=64–66\|doi=10.1126/science.263.5143.64\|ref=harv\|bibcode = 1994Sci...263...64S }}</ref>		The '''minimum temperature zone''', the coolest layer of the Sun, is about {{val\|500\|u=km}} above the photosphere. It has a temperature of about {{val\|4100\|ul=K}}.<ref name=Abhyankar1977>{{Cite journal\|last=Abhyankar K.D.\|title=A survey of the solar atmospheric models\|year=1977\|journal=Bull. Astr. Soc. India\|volume=5\|bibcode=1977BASI....5...40A\|pages=40–44\|url=http://prints.iiap.res.in/handle/2248/510\|ref=harv}}</ref> This part of the Sun is cool enough to allow simple molecules such as [[carbon monoxide]] and water to form. These molecules can be seen on the Sun with special instruments called spectroscopes.<ref name=Solanki1994>{{Cite journal\|last=Solanki S.K; Livingston W. & Ayres T\|title=New light on the heart of darkness of the solar chromosphere \|year=1994\|journal=Science\|pmid=17748350\|volume=263\|issue=5143\|pages=64–66\|doi=10.1126/science.263.5143.64\|ref=harv\|bibcode = 1994Sci...263...64S }}</ref>

142.118.114.203: /* Atmosphere */

2019-02-04T22:17:30Z

Atmosphere

← Older revision		Revision as of 17:17, 4 February 2019
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	== Atmosphere ==		== Atmosphere ==
	Five layers make up the [[atmosphere]] of the Sun. The chromosphere, transition region, and corona are much hotter than the outer photosphere surface of the Sun.<ref name=Abhyankar1977/> It is believed that [[Alfvén wave]]s may pass through to heat the corona.<ref>		Five layers make up the [[atmosphere]] of the Sun. The chromosphere, transition region, and corona are much hotter than the outer photosphere surface of the Sun.<ref name=Abhyankar1977/> It is believed that [[Alfvén wave]]s may pass through to heat the corona.<ref>
	{{Cite journal\|last=De Pontieu B. ''et al''\|title=Chromospheric Alfvénic waves strong enough to power the solar wind\|journal=Science\|volume=318 \|issue=5856 \|pages=1574–77\|year=2007\|doi=10.1126/science.1151747\|pmid=18063784\|ref=harv\|bibcode = 2007Sci...318.1574D }}</ref>		{{Cite journal\|last=De Pontieu B. ''et al''\|title=Chromospheric Alfvénic waves strong enough to power the solar wind\|journal=Science\|volume=318 \|issue=5856 \|pages=1574–77\|year=2007\|doi=10.1126/science.1151747\|pmid=18063784\|ref=harv\|bibcode = 2007Sci...318.1574D }}</ref>hi

	The '''minimum temperature zone''', the coolest layer of the Sun, is about {{val\|500\|u=km}} above the photosphere. It has a temperature of about {{val\|4100\|ul=K}}.<ref name=Abhyankar1977>{{Cite journal\|last=Abhyankar K.D.\|title=A survey of the solar atmospheric models\|year=1977\|journal=Bull. Astr. Soc. India\|volume=5\|bibcode=1977BASI....5...40A\|pages=40–44\|url=http://prints.iiap.res.in/handle/2248/510\|ref=harv}}</ref> This part of the Sun is cool enough to allow simple molecules such as [[carbon monoxide]] and water to form. These molecules can be seen on the Sun with special instruments called spectroscopes.<ref name=Solanki1994>{{Cite journal\|last=Solanki S.K; Livingston W. & Ayres T\|title=New light on the heart of darkness of the solar chromosphere \|year=1994\|journal=Science\|pmid=17748350\|volume=263\|issue=5143\|pages=64–66\|doi=10.1126/science.263.5143.64\|ref=harv\|bibcode = 1994Sci...263...64S }}</ref>		The '''minimum temperature zone''', the coolest layer of the Sun, is about {{val\|500\|u=km}} above the photosphere. It has a temperature of about {{val\|4100\|ul=K}}.<ref name=Abhyankar1977>{{Cite journal\|last=Abhyankar K.D.\|title=A survey of the solar atmospheric models\|year=1977\|journal=Bull. Astr. Soc. India\|volume=5\|bibcode=1977BASI....5...40A\|pages=40–44\|url=http://prints.iiap.res.in/handle/2248/510\|ref=harv}}</ref> This part of the Sun is cool enough to allow simple molecules such as [[carbon monoxide]] and water to form. These molecules can be seen on the Sun with special instruments called spectroscopes.<ref name=Solanki1994>{{Cite journal\|last=Solanki S.K; Livingston W. & Ayres T\|title=New light on the heart of darkness of the solar chromosphere \|year=1994\|journal=Science\|pmid=17748350\|volume=263\|issue=5143\|pages=64–66\|doi=10.1126/science.263.5143.64\|ref=harv\|bibcode = 1994Sci...263...64S }}</ref>

wikipedia:simple>Savh: Reverted edits by 80.175.71.218 (talk) to last version by ImprovedWikiImprovment

2019-01-18T14:33:41Z

Reverted edits by 80.175.71.218 (talk) to last version by ImprovedWikiImprovment

@@ Line 60: / Line 60: @@
 The '''Sun''' in the center of our solar system is a yellow dwarf star. It gives off [[energy]] as [[electromagnetic radiation|light]]. That includes light, [[infra-red]] energy (heat), [[ultraviolet light]] and [[radio]] waves. It also gives off a stream of [[particle]]s, which reaches Earth as "[[solar wind]]". The source of all this energy is the reaction in the star which turns [[hydrogen]] into [[helium]] and makes huge amounts of energy.
-The Sun is a star like many others in our [[Milky Way]] [[galaxy]]. It has existed for a little over 4.5 [[billion]] years, and is going to continue for at least as long. The Sun is about a hundred times as wide as the Earth. It has a mass of {{val|1.9891|e=30|u=kg}}, which is 333,000 times the mass of the Earth. The Earth can also fit inside the Sun 1.3 million times.Over the course of human history the Sun has been feared and worshipped. Rightfully so. What our ancestors knew on a fundamental level was that the Sun provides a vital ingredient for most of the life on Earth. Without the energy provided through sunlight, vegetation cannot grow, and without vegetation animals do not have a source of nourishment. However, what we know today that our ancestors did not is just how far reaching the scope of the Sun's influence is.As our scientific knowledge has increased so too has our understanding that the Earth is merely a piece in the larger structure we know as the Solar System. What we have also discovered is that although other planets and bodies in the Solar System may not possess life, the Sun is just as influential to them.The Sun is what is known as a main sequence star; that is, a sphere composed primarily of the two gases hydrogen and helium such that certain conditions are met. The first condition is that it must have a mass falling within a certain range. Though debated, this range is generally accepted to be between approximately 1.4 x 1029 kg and 3.0 x 1032 kg. (This range is often describe as at least 75 times the mass of Jupiter and no more than 150 times the mass of the Sun itself.) The second and most important condition is that nuclear fusion must be present. Nuclear fusion is the process whereby two lighter atomic nuclei join or “fuse” together to produce a heavier atomic nucleus. In the context of stars, hydrogen is the lighter and helium the heavier.The size of the Sun compared to the largest known stars ('''red giants''') is not very big. However, if compared to the most common type of star in the universe, the red dwarf, the Sun is quite a bit larger. Thus, the Sun is not the biggest type of star in the universe, but it is definitely larger than most.
+The Sun is a star like many others in our [[Milky Way]] [[galaxy]]. It has existed for a little over 4.5 [[billion]] years, and is going to continue for at least as long. The Sun is about a hundred times as wide as the Earth. It has a mass of {{val|1.9891|e=30|u=kg}}, which is 333,000 times the mass of the Earth. The Earth can also fit inside the Sun 1.3 million times.
 == Physics of the Sun ==