Cosmology
... Describe and explain asteroids and meteorites and that these usually vaporize on entering the Earth’s atmosphere. Binary stars- most stars are part of a binary system and rotate around their common centre of mass. The Big Bang Discuss cosmic background radiation and its discovery. Talk about the sig ...
... Describe and explain asteroids and meteorites and that these usually vaporize on entering the Earth’s atmosphere. Binary stars- most stars are part of a binary system and rotate around their common centre of mass. The Big Bang Discuss cosmic background radiation and its discovery. Talk about the sig ...
Powerpoint
... B. The Steady State Theory - The belief that the universe doesn’t change with time but more matter is added to the universe as it expands. • Popular during the 1950s and 1960s • The universe had no beginning and has no end (no big bang) C. Inflationary Theory - predicts that there was a sudden e ...
... B. The Steady State Theory - The belief that the universe doesn’t change with time but more matter is added to the universe as it expands. • Popular during the 1950s and 1960s • The universe had no beginning and has no end (no big bang) C. Inflationary Theory - predicts that there was a sudden e ...
presentation02 - School of Physical Sciences
... If you look up at the sky at night, the heavens appear to be unchanging. In 1917 Einstein wrote down the theory of General Relativity. His equations indicated that the universe was expanding and decelerating. He believed that the universe was unchanging so he put in the cosmological constant to fi ...
... If you look up at the sky at night, the heavens appear to be unchanging. In 1917 Einstein wrote down the theory of General Relativity. His equations indicated that the universe was expanding and decelerating. He believed that the universe was unchanging so he put in the cosmological constant to fi ...
Cosmology2 - NMSU Astronomy
... The results indicate that the universal expansion was slowing down at times further back than 6 billion ...
... The results indicate that the universal expansion was slowing down at times further back than 6 billion ...
Integrative Studies 410 Our Place in the Universe
... • Scientists often use a “back of the envelope” calculation to get a sense for how big a number should be • Recipe: round every number involved up to one sig fig and keep the exponent ...
... • Scientists often use a “back of the envelope” calculation to get a sense for how big a number should be • Recipe: round every number involved up to one sig fig and keep the exponent ...
The universe - Villanova University
... After 1 million years, temperature around 3000 K, universe is now sufficiently rare to allow a lot of atoms to form, which they do. Photons can now move large distances. Universe is “visible”. ...
... After 1 million years, temperature around 3000 K, universe is now sufficiently rare to allow a lot of atoms to form, which they do. Photons can now move large distances. Universe is “visible”. ...
ASTR100 Class 01 - University of Maryland Department of
... = total number of habitable planets in galaxy; = fraction of habitable planets with life; = fraction of life-bearing planets with civilization at some time; = fraction of civilizations around now. ...
... = total number of habitable planets in galaxy; = fraction of habitable planets with life; = fraction of life-bearing planets with civilization at some time; = fraction of civilizations around now. ...
Appendix 2
... Telescopes - such as the Hubble telescope - show we are surrounded by millions of galaxies. Observation shows that overall movement of the galaxies is to move away from each other. The speed of any two galaxies is greater the further they are apart. This is understood to be the result of space expan ...
... Telescopes - such as the Hubble telescope - show we are surrounded by millions of galaxies. Observation shows that overall movement of the galaxies is to move away from each other. The speed of any two galaxies is greater the further they are apart. This is understood to be the result of space expan ...
THE BIG BANG - Dublin City Schools
... He noticed that the light, when it was emitted, would have shorter wavelengths. But, he observed longer wavelengths…this is because….expansion of space over the years that the light was traveling to us! This redshift appeared to have a larger displacement for faint, presumably further, galaxies. Hen ...
... He noticed that the light, when it was emitted, would have shorter wavelengths. But, he observed longer wavelengths…this is because….expansion of space over the years that the light was traveling to us! This redshift appeared to have a larger displacement for faint, presumably further, galaxies. Hen ...
A Useful Hint - Division of Applied Mathematics
... ANYTHING GOES ! So why not play with other unsupported ideas? For example: Why is the exponent in Newtonian gravitation exactly 2, not 2.01 ? This is an old question that perhaps does not deserve to be asked in a scientifically correct milieu. Or, why is the usual order of derivatives in mechanics e ...
... ANYTHING GOES ! So why not play with other unsupported ideas? For example: Why is the exponent in Newtonian gravitation exactly 2, not 2.01 ? This is an old question that perhaps does not deserve to be asked in a scientifically correct milieu. Or, why is the usual order of derivatives in mechanics e ...
THE BIG BANG
... properties, it is produced in just the right quantity to be the dark matter. Supersymmetry also provides a natural way to understand why there are baryons in the universe at all (a puzzle first posed by Andrei Sakharov). ...
... properties, it is produced in just the right quantity to be the dark matter. Supersymmetry also provides a natural way to understand why there are baryons in the universe at all (a puzzle first posed by Andrei Sakharov). ...
Episode1: Overview of the radio serial
... [Note for script writer: This brief has been prepared keeping the average non-specialist viewer in mind. The attempt has been to develop the subject in a logical sequence that could bring out the excitement of the process of making new discoveries and relating them to the gradual understanding of th ...
... [Note for script writer: This brief has been prepared keeping the average non-specialist viewer in mind. The attempt has been to develop the subject in a logical sequence that could bring out the excitement of the process of making new discoveries and relating them to the gradual understanding of th ...
Age, EvoluFon, and Size of the Cosmos
... diameter (sphere defined by how far light has been able to travel since the beginning) ...
... diameter (sphere defined by how far light has been able to travel since the beginning) ...
CosmologyL1
... billion years to us. In this "baby picture" of the universe, the red and yellow patches are regions that are just a few millionths of a degree hotter than the blue and black areas. This tiny difference helped seed the formation of galaxies out of the shapeless gas that filled the early universe. CMB ...
... billion years to us. In this "baby picture" of the universe, the red and yellow patches are regions that are just a few millionths of a degree hotter than the blue and black areas. This tiny difference helped seed the formation of galaxies out of the shapeless gas that filled the early universe. CMB ...
ISP 205 Review Questions, Week 13
... intervals separated by 2 billion years. We are on the Milky Way Galaxy, and have measured the distances to a number of other galaxies at both times. Our results (in millions of light years) are shown on the figure. Another astronomer who lives in the distant galaxy MSU 1 (where everybody is Green) i ...
... intervals separated by 2 billion years. We are on the Milky Way Galaxy, and have measured the distances to a number of other galaxies at both times. Our results (in millions of light years) are shown on the figure. Another astronomer who lives in the distant galaxy MSU 1 (where everybody is Green) i ...
![00:00 [Narrator] 1. The Milky Way galaxy is our cosmic home. But it](http://s1.studyres.com/store/data/016711500_1-e28ad18319656f2204fe349d0336dd78-300x300.png)
00:00 [Narrator] 1. The Milky Way galaxy is our cosmic home. But it
... previous estimate of the number of galaxies within the observable Universe is at least ten times too low! They think that some 90% of the galaxies in the Universe are actually too faint and too far away to be observed by the current generation of telescopes. Astronomers can only infer their existenc ...
... previous estimate of the number of galaxies within the observable Universe is at least ten times too low! They think that some 90% of the galaxies in the Universe are actually too faint and too far away to be observed by the current generation of telescopes. Astronomers can only infer their existenc ...
The Big Bang Theory
... Hubble used a spectroscope to analyze the spectra of other galaxies. For each of these galaxies he noticed that the spectra were red shifted. This means that the galaxies are moving away from us. This is evidence that the Earth is expanding. -What would Hubble have concluded if he saw blue-shifting ...
... Hubble used a spectroscope to analyze the spectra of other galaxies. For each of these galaxies he noticed that the spectra were red shifted. This means that the galaxies are moving away from us. This is evidence that the Earth is expanding. -What would Hubble have concluded if he saw blue-shifting ...
Evidence of the Big Bang and Structure of the Universe
... A) Galaxy B is moving away from Earth, but galaxies A and C are moving toward Earth. B) Galaxy A is moving away from Earth, but galaxies B and C are moving toward Earth. C) Galaxies A, B, and C are all moving away from Earth. D) Galaxies A, B, and C are all moving toward Earth. ...
... A) Galaxy B is moving away from Earth, but galaxies A and C are moving toward Earth. B) Galaxy A is moving away from Earth, but galaxies B and C are moving toward Earth. C) Galaxies A, B, and C are all moving away from Earth. D) Galaxies A, B, and C are all moving toward Earth. ...
Our Vast Universe
... The ancient Greeks were the first to decide that the universe had to be one of two things: Finite or Infinite. Then in the early 1800s, German astronomer Heinrich Olbers argued that the universe must be finite. He believed that if the universe were infinite and had stars in every direction, then th ...
... The ancient Greeks were the first to decide that the universe had to be one of two things: Finite or Infinite. Then in the early 1800s, German astronomer Heinrich Olbers argued that the universe must be finite. He believed that if the universe were infinite and had stars in every direction, then th ...
Document
... • Point in any direction • That direction goes through empty space but ends on a star • Every direction should be as bright as the surface of a star • The sky should be bright at night • What’s wrong with this picture? ...
... • Point in any direction • That direction goes through empty space but ends on a star • Every direction should be as bright as the surface of a star • The sky should be bright at night • What’s wrong with this picture? ...
The Big Bang Theory:
... • Olber’s Paradox is solved: due to the finite speed of light, the observable universe does not include the entire universe. • Radius of the observable universe depends on the age of the universe and the speed of light: ~47 billion lightyears. • Result: Sky is dark at night with points of light (sta ...
... • Olber’s Paradox is solved: due to the finite speed of light, the observable universe does not include the entire universe. • Radius of the observable universe depends on the age of the universe and the speed of light: ~47 billion lightyears. • Result: Sky is dark at night with points of light (sta ...
A105 Stars and Galaxies - Indiana University Astronomy
... • The Universe is expanding (and cooling) from an initial, dense state • Radiation left over from the Big Bang is now detected in the form of microwaves—the cosmic microwave background—which we can observe with a radio telescope • Observations of helium and other light elements agree with the predic ...
... • The Universe is expanding (and cooling) from an initial, dense state • Radiation left over from the Big Bang is now detected in the form of microwaves—the cosmic microwave background—which we can observe with a radio telescope • Observations of helium and other light elements agree with the predic ...
Thermodynamics Essay Research Paper The Second Law
... Thermodynamics Essay, Research Paper The Second Law of Thermodynamics The Second Law of Thermodynamics has several variations. One version says that some heat is always wasted when converting heat into mechanical energy. In other words all heat can not be completely converted into mechanical energy. ...
... Thermodynamics Essay, Research Paper The Second Law of Thermodynamics The Second Law of Thermodynamics has several variations. One version says that some heat is always wasted when converting heat into mechanical energy. In other words all heat can not be completely converted into mechanical energy. ...
PHYSICS 113 Assignment #9 SOLUTIONS Chapter 17 13. Starting
... measuring the light curves of Cepheid Variables. By establishing the period (in days) of their brightness changes, we can deduce their luminosity. By measuring their apparent brightness, we can thus determine their distance. Note that Cepheids can also be used to measure distances within our own gal ...
... measuring the light curves of Cepheid Variables. By establishing the period (in days) of their brightness changes, we can deduce their luminosity. By measuring their apparent brightness, we can thus determine their distance. Note that Cepheids can also be used to measure distances within our own gal ...
