Chapter 12
... into a large globule of gas and dust that contracts under its own gravity Stage 2 – The condensing matter begins to heat up and glow forming Protostars. Stage 3 – If there is enough matter the central temperature reaches 15 million degrees and ...
... into a large globule of gas and dust that contracts under its own gravity Stage 2 – The condensing matter begins to heat up and glow forming Protostars. Stage 3 – If there is enough matter the central temperature reaches 15 million degrees and ...
IOSR Journal of Applied Physics (IOSR-JAP) ISSN: 2278-4861.
... began as a nebula, an area in the Milky Way Galaxy that was a swirling concentration of cold gas and dust. Due to some perturbation, possibly from the nearby supernova this cloud of gas and dust began to condense (fig. 1), or pull together under the force of its own gravity. Condensation was slow at ...
... began as a nebula, an area in the Milky Way Galaxy that was a swirling concentration of cold gas and dust. Due to some perturbation, possibly from the nearby supernova this cloud of gas and dust began to condense (fig. 1), or pull together under the force of its own gravity. Condensation was slow at ...
Galaxy Zoo: Pre and post‐workshop information
... Hubble analysed the light from very distant galaxies and found that their spectra were all redshifted. This Doppler effect whereby wavelengths of spectral lines are affected by the motion of the light source indicates all distant galaxies are receding from us. This was a huge discovery as previously ...
... Hubble analysed the light from very distant galaxies and found that their spectra were all redshifted. This Doppler effect whereby wavelengths of spectral lines are affected by the motion of the light source indicates all distant galaxies are receding from us. This was a huge discovery as previously ...
Integrative Studies 410 Our Place in the Universe
... • The final rung on the cosmic distance ladder • Hubble’s observations (1920’s): – Light from distant galaxies is redshifted – The more distant the galaxy, the greater the red-shift ...
... • The final rung on the cosmic distance ladder • Hubble’s observations (1920’s): – Light from distant galaxies is redshifted – The more distant the galaxy, the greater the red-shift ...
Lecture082602 - Florida State University
... Astronomy 1002 is a science class in which we will study what the universe is made of There are a wide range of objects out there, including planets, stars and galaxies Next time we will start learning how these objects move around relative to each other This class can be one of the most interesting ...
... Astronomy 1002 is a science class in which we will study what the universe is made of There are a wide range of objects out there, including planets, stars and galaxies Next time we will start learning how these objects move around relative to each other This class can be one of the most interesting ...
ITB - In the Beginning
... This universe has a beginning – Big Bang and will collapse into a Big Crunch at the end. A new universe will arise in a new Big Bang – which will collapse again – etc. This fits in with Hindu cosmology! ...
... This universe has a beginning – Big Bang and will collapse into a Big Crunch at the end. A new universe will arise in a new Big Bang – which will collapse again – etc. This fits in with Hindu cosmology! ...
Slide 1
... The BIG Questions (courtesy of Jonathan M. Dorfan). The epochs (Eras) are ordered by their time after the instant of the “Big Bang.” Scientific units are used for the time of the beginning of each epoch. To translate to decimals, 10-10 s would equal 0.0000000001 sec, while 3 x 105 yr would equal 300 ...
... The BIG Questions (courtesy of Jonathan M. Dorfan). The epochs (Eras) are ordered by their time after the instant of the “Big Bang.” Scientific units are used for the time of the beginning of each epoch. To translate to decimals, 10-10 s would equal 0.0000000001 sec, while 3 x 105 yr would equal 300 ...
The Merger of Two Disk Galaxies
... the material becomes part of the young Sun, but some debris forms a disk. Within this disk form the planets, moons, comets, asteroids, and meteoroids. Note that this process is repeated on a smaller scale in the ...
... the material becomes part of the young Sun, but some debris forms a disk. Within this disk form the planets, moons, comets, asteroids, and meteoroids. Note that this process is repeated on a smaller scale in the ...
Astronomy 101 Section 4
... A quasar (it’s the “star” on the right) - pretty boring until you get close. But not too close! ...
... A quasar (it’s the “star” on the right) - pretty boring until you get close. But not too close! ...
Redshift takes us from 2-D to 3-D
... 2) The Universe is observed to be expanding (so in the past it was smaller). The Steady State Universe tried to get around this by supposing that new galaxies appear out of nowhere to fill the increasing volume (no more unreasonable than supposing that the Universe appeared). But then the past shoul ...
... 2) The Universe is observed to be expanding (so in the past it was smaller). The Steady State Universe tried to get around this by supposing that new galaxies appear out of nowhere to fill the increasing volume (no more unreasonable than supposing that the Universe appeared). But then the past shoul ...
Stars, Galaxies, and the Universe
... • A white dwarf is is a star that has used up all of its hydrogen and is the leftover center of an older star. • Class F stars are yellow-white • The majority of stars in our galaxy are main sequence stars. ...
... • A white dwarf is is a star that has used up all of its hydrogen and is the leftover center of an older star. • Class F stars are yellow-white • The majority of stars in our galaxy are main sequence stars. ...
Pre-lab 12: Galaxies and the Expansion of the Universe So far we
... Our galaxy, the Milky Way, is 100,000 light years across. The Andromeda galaxy is the closest spiral galaxy to us. It can be seen as a faint blob on a dark night in the constellation Andromeda. It is located about 3 million light years away. Clearly, even with units as big as a light year (1013 kilo ...
... Our galaxy, the Milky Way, is 100,000 light years across. The Andromeda galaxy is the closest spiral galaxy to us. It can be seen as a faint blob on a dark night in the constellation Andromeda. It is located about 3 million light years away. Clearly, even with units as big as a light year (1013 kilo ...
The Expanding Universe - Best - armstrong
... •matter that does not give off electromagnetic radiation •23% of universe’s mass ...
... •matter that does not give off electromagnetic radiation •23% of universe’s mass ...
Origins of the Universe
... • When we look into the sky all the stars we can see are red shifted. • The farther a star is from us the more it is red shifted • The only explanation for that is if everything is moving away from us. • This means the universe is expanding ...
... • When we look into the sky all the stars we can see are red shifted. • The farther a star is from us the more it is red shifted • The only explanation for that is if everything is moving away from us. • This means the universe is expanding ...
123mt13a
... The Universe of Aristotle is infinite In the Aristotelian Universe there is no void The observed retrograde motion of Mars Proves Aristotle Wrong The Newtonian universe is infinite The Observed Phases of Venus are expected in the model of Copernicus Tycho successfully detected stellar parallax In th ...
... The Universe of Aristotle is infinite In the Aristotelian Universe there is no void The observed retrograde motion of Mars Proves Aristotle Wrong The Newtonian universe is infinite The Observed Phases of Venus are expected in the model of Copernicus Tycho successfully detected stellar parallax In th ...
History of the universe timeline
... few billion years after the Big Bang, the expansion began to accelerate. The acceleration is caused by a mysterious force known as ‘dark energy’, the nature of which is completely unknown. ...
... few billion years after the Big Bang, the expansion began to accelerate. The acceleration is caused by a mysterious force known as ‘dark energy’, the nature of which is completely unknown. ...
Not a limitation
... Big Bang Theory • EVERYTHING was in one small point (singularity) that “blew up” and is still moving outwards today • Not really an explosion, so much as a very rapid expansion…like blowing up a balloon • About 13.7 billion years ago • Microwave radiation detected in the 1960’s supports this theory ...
... Big Bang Theory • EVERYTHING was in one small point (singularity) that “blew up” and is still moving outwards today • Not really an explosion, so much as a very rapid expansion…like blowing up a balloon • About 13.7 billion years ago • Microwave radiation detected in the 1960’s supports this theory ...
AY5 Homework for Quiz 4: Spring 2015
... 3. Dark matter has been invoked to explain three observations on very different spatial scales. What are these observations? ...
... 3. Dark matter has been invoked to explain three observations on very different spatial scales. What are these observations? ...
Going to the End of the Earth to Learn About the Beginning of the
... Cartoon of a Big Bang Universe 14 billion years ago the Universe was literally “on-fire”. No stars, no galaxies, ...
... Cartoon of a Big Bang Universe 14 billion years ago the Universe was literally “on-fire”. No stars, no galaxies, ...
What is the Big Bang Theory?
... Eventually matter cooled and condensed into galaxies and stars. How did the big bang form galaxies? Hydrogen and Helium are left in space after the Big Bang. Planets formed. That the universe is still expanding. ...
... Eventually matter cooled and condensed into galaxies and stars. How did the big bang form galaxies? Hydrogen and Helium are left in space after the Big Bang. Planets formed. That the universe is still expanding. ...
Cosmology
... • The expansion redshifts the starlight to longer wavelengths than the visible so distant stars cannot be seen by our eyes ...
... • The expansion redshifts the starlight to longer wavelengths than the visible so distant stars cannot be seen by our eyes ...