Composition of the Sun
... lines of starlight to those of Earth’s elements, and identify the elements in the star’s atmosphere. Both hydrogen and helium occur in the sun. About 75% of the sun’s mass is hydrogen, and hydrogen and helium together make up about 99% of the sun’s mass. The sun’s spectrum reveals that the sun con ...
... lines of starlight to those of Earth’s elements, and identify the elements in the star’s atmosphere. Both hydrogen and helium occur in the sun. About 75% of the sun’s mass is hydrogen, and hydrogen and helium together make up about 99% of the sun’s mass. The sun’s spectrum reveals that the sun con ...
The Sun is a ball of gas!
... 200 BILLION YEARS! By comparison, the Sun shines with a luminosity of 1026 Watts. (that’s a lot of lightbulbs) ...
... 200 BILLION YEARS! By comparison, the Sun shines with a luminosity of 1026 Watts. (that’s a lot of lightbulbs) ...
Homework #2 1. There are two ways to estimate the energy carried
... increases by about 14% and the effective temperature decreases as a result by about 7%. To understand this, consider the structure of a radiative atmosphere in which gas pressure dominates and the enclosed mass, enclosed luminosity and opacity are all constant (constant Mr and Lr are quite reasonabl ...
... increases by about 14% and the effective temperature decreases as a result by about 7%. To understand this, consider the structure of a radiative atmosphere in which gas pressure dominates and the enclosed mass, enclosed luminosity and opacity are all constant (constant Mr and Lr are quite reasonabl ...
Solar System Outline
... It is about 11 times the radius and 330 times the mass of the earth. It is the first representative of the outer solar system. Unlike the inner planets, Jupiter is not a solid body, but instead is a ball of gas and liquid (mostly hydrogen and helium). – From the earth, there are two obvious clues to ...
... It is about 11 times the radius and 330 times the mass of the earth. It is the first representative of the outer solar system. Unlike the inner planets, Jupiter is not a solid body, but instead is a ball of gas and liquid (mostly hydrogen and helium). – From the earth, there are two obvious clues to ...
RMH_Stellar_Evolution_Ast2001_09_29_09
... Indirect: -- must know distance Luminosity – depends on surface area (size) and temperature (Stefan-Boltzman Law) Mass -- with luminosity + physics , mass – luminosity relation ...
... Indirect: -- must know distance Luminosity – depends on surface area (size) and temperature (Stefan-Boltzman Law) Mass -- with luminosity + physics , mass – luminosity relation ...
Which of the following statements is TRUE
... D. If both stars were at the same distance from us, the Sun would appear 81 times fainter than star X E. ...
... D. If both stars were at the same distance from us, the Sun would appear 81 times fainter than star X E. ...
Star Energy Packet:
... The sun warms the earth and allows life to exist. It provides us with most of our energy and with light. But how does it keep giving off light? Will it ever stop shining? The answer to the 2nd question is that the sun has been burning for 5 billion years and should burn for another 5 billion years. ...
... The sun warms the earth and allows life to exist. It provides us with most of our energy and with light. But how does it keep giving off light? Will it ever stop shining? The answer to the 2nd question is that the sun has been burning for 5 billion years and should burn for another 5 billion years. ...
STARS
... giants are HUGE. They’re not all the same size as each other, but they are all big. *The little white dot is how big our sun is right now, compared to the red giant Antares, the biggest one shown in the picture at left. ...
... giants are HUGE. They’re not all the same size as each other, but they are all big. *The little white dot is how big our sun is right now, compared to the red giant Antares, the biggest one shown in the picture at left. ...
Our Solar System
... primary energy source for all processes on Earth much closer to Earth than any other star! about 4 ½ billion years old ...
... primary energy source for all processes on Earth much closer to Earth than any other star! about 4 ½ billion years old ...
The Solar System
... Revolution and Rotation of the Planets • All the planets in the solar system revolve around the sun in a ...
... Revolution and Rotation of the Planets • All the planets in the solar system revolve around the sun in a ...
The Inner Planets of Our Solar System
... Largest thing in our A ball of glowing gas! solar system – 99.8% of the mass of the solar system ...
... Largest thing in our A ball of glowing gas! solar system – 99.8% of the mass of the solar system ...
Solar Geometry - TeachEngineering
... The sun is mostly made up of hydrogen (about 73% by mass) and helium (about 25% by mass). The remaining 2% consists of traces of other elements. All the heavier elements were produced by thermonuclear fusion reactions in the sun. In every thermonuclear reaction, some of the original mass is converte ...
... The sun is mostly made up of hydrogen (about 73% by mass) and helium (about 25% by mass). The remaining 2% consists of traces of other elements. All the heavier elements were produced by thermonuclear fusion reactions in the sun. In every thermonuclear reaction, some of the original mass is converte ...
Integrative Studies 410 Our Place in the Universe
... • But: come up with theory that explains all the features of the Sun and predicts new things • Do more experiments to test predictions • This lends plausibility to theory ...
... • But: come up with theory that explains all the features of the Sun and predicts new things • Do more experiments to test predictions • This lends plausibility to theory ...
Timeline of the Nebular Theory
... that consisted of all the matter and energy that exists today. o About 4.6 billion years ago shockwaves caused the solar nebula (dust and gas that developed into our solar system) to contract. o As the solar nebula condensed its temperature increased and began glowing, forming the protosun (the prot ...
... that consisted of all the matter and energy that exists today. o About 4.6 billion years ago shockwaves caused the solar nebula (dust and gas that developed into our solar system) to contract. o As the solar nebula condensed its temperature increased and began glowing, forming the protosun (the prot ...
