powerpoint file
... Cosmology: The History of the Universe The Universe originated in an explosion called the “Big Bang”. Everything started out 13.7 billion years ago with “zero” size and “infinite” temperature. Since then, it has been expanding and cooling. Now its temperature is 2.735 K. While the temperature was s ...
... Cosmology: The History of the Universe The Universe originated in an explosion called the “Big Bang”. Everything started out 13.7 billion years ago with “zero” size and “infinite” temperature. Since then, it has been expanding and cooling. Now its temperature is 2.735 K. While the temperature was s ...
Spiralicity and Motion on Cosmic Scale
... chamber to huge galaxies in the universe. Spiral galaxies are believed to form out of spinning gases and dark dust that made them to come together. The ultraviolet-light observations by the Hubble Space Telescope are unvealing a colourful picture of the universe providing information about the birth ...
... chamber to huge galaxies in the universe. Spiral galaxies are believed to form out of spinning gases and dark dust that made them to come together. The ultraviolet-light observations by the Hubble Space Telescope are unvealing a colourful picture of the universe providing information about the birth ...
Science and Beauty Take up
... Paras. 7-16 list the beauty he knows is out there but can’t be seen by the naked eye; this makes it more interesting and descriptive than the naked eye’s “twinkling points of light”. Whitman organizes the information from smaller (planets) to largest (the universe)- logical pattern. Para. 17 - retur ...
... Paras. 7-16 list the beauty he knows is out there but can’t be seen by the naked eye; this makes it more interesting and descriptive than the naked eye’s “twinkling points of light”. Whitman organizes the information from smaller (planets) to largest (the universe)- logical pattern. Para. 17 - retur ...
Great Discoveries in Astronomy and Astrophysics 171.112
... to prepare yourself for the exams. It should not take too long to complete. Homework is due at the assigned time. Greatly reduced credit, if any, will be given for late homework. It is OK to consult with others on homework, but it is NOT OK to copy someone else’s work. Solutions and answers must be ...
... to prepare yourself for the exams. It should not take too long to complete. Homework is due at the assigned time. Greatly reduced credit, if any, will be given for late homework. It is OK to consult with others on homework, but it is NOT OK to copy someone else’s work. Solutions and answers must be ...
What is a light-year?
... measuring the distance to the nearest star: a dim red dwarf called Proxima Centauri that sits a mere 24,000,000,000,000 miles away! Using a longer yard stick, so to speak, helps keep the numbers at least manageable. To an astronomer, the distance to Proxima Centauri is only four light years. Put ano ...
... measuring the distance to the nearest star: a dim red dwarf called Proxima Centauri that sits a mere 24,000,000,000,000 miles away! Using a longer yard stick, so to speak, helps keep the numbers at least manageable. To an astronomer, the distance to Proxima Centauri is only four light years. Put ano ...
Outline - Picnic Point High School
... The Universe began with a singularity in space-time. After the initial explosion, the Universe started to expand, cool and condense, forming matter. As part of this ongoing process the Sun and the Solar System were formed over 4x109 years ago from a gas cloud which resulted from a supernova explosio ...
... The Universe began with a singularity in space-time. After the initial explosion, the Universe started to expand, cool and condense, forming matter. As part of this ongoing process the Sun and the Solar System were formed over 4x109 years ago from a gas cloud which resulted from a supernova explosio ...
Dark Matter - the stuff of the Universe?
... (depends on difference between masses of the two types) these do happen but the implied mass is very small indeed ...
... (depends on difference between masses of the two types) these do happen but the implied mass is very small indeed ...
Essential Question
... Essential Question: How do scientists think our universe was created and what evidence supports it? Big Bang Theory • All galaxies started from one huge mass of densely packed matter • The densely packed matter exploded with a “big bang” sending out matter and energy in all directions • Over time th ...
... Essential Question: How do scientists think our universe was created and what evidence supports it? Big Bang Theory • All galaxies started from one huge mass of densely packed matter • The densely packed matter exploded with a “big bang” sending out matter and energy in all directions • Over time th ...
From Earth to the Galaxies
... Alpha Centauri, is located more than 40,000,000,000,000 km from our star. It’s much easier to write four light years (or 4 ly). Likewise, our Galaxy, the Milky Way, is 100,000 light years across. The same figure expressed in kilometres would contain 18 zeroes! A distance of 100,000 ly means that a r ...
... Alpha Centauri, is located more than 40,000,000,000,000 km from our star. It’s much easier to write four light years (or 4 ly). Likewise, our Galaxy, the Milky Way, is 100,000 light years across. The same figure expressed in kilometres would contain 18 zeroes! A distance of 100,000 ly means that a r ...
Photons In The Universe Tour: International Year 2015
... detected it was coming direct to me, characterized by a warm feeling, a jingling yellowish color and a soft movement that harmonized with the star space. Suddenly and surprisingly, the frequencies of the pinging of the star seemed to match to form a soft voice that began to narrate how this small am ...
... detected it was coming direct to me, characterized by a warm feeling, a jingling yellowish color and a soft movement that harmonized with the star space. Suddenly and surprisingly, the frequencies of the pinging of the star seemed to match to form a soft voice that began to narrate how this small am ...
Wild Surmise Study
... from each other so far apart they will never be able to communicate. What we observe as our universe was just one tiny zone that did, indeed, have time to come into local equilibrium. Since the laws that determine electromagnetic radiation, such as light, did not come into existence until a finite t ...
... from each other so far apart they will never be able to communicate. What we observe as our universe was just one tiny zone that did, indeed, have time to come into local equilibrium. Since the laws that determine electromagnetic radiation, such as light, did not come into existence until a finite t ...
age of the universe.
... a Doppler shift of the random motions of galaxies. an aging of light as the universe ages. space itself expanding with time, stretching light. the result of the Milky Way’s position at the center. being due to the temperature differences in the early and late universe. ...
... a Doppler shift of the random motions of galaxies. an aging of light as the universe ages. space itself expanding with time, stretching light. the result of the Milky Way’s position at the center. being due to the temperature differences in the early and late universe. ...
Hubble Law Worksheet
... -A board the thumbtacks can stick into (Anything that works: cork, wood, foam board, etc.) -A ruler -Graph paper ...
... -A board the thumbtacks can stick into (Anything that works: cork, wood, foam board, etc.) -A ruler -Graph paper ...
Archaeology of the Universe
... On map 2dF of the positions of galaxies in space, each blue point indicates a galaxy. On the map, there are about 200,000 galaxies for which we know the exact position, but they do not represent the entire universe. In the farthest regions, we cannot see anything at all: that does not mean that in t ...
... On map 2dF of the positions of galaxies in space, each blue point indicates a galaxy. On the map, there are about 200,000 galaxies for which we know the exact position, but they do not represent the entire universe. In the farthest regions, we cannot see anything at all: that does not mean that in t ...
Hubble’s Law & Black Holes at a Galaxy’s Center
... Simplicio: You tell me the universe is expanding, and some things do move away but other things do not. How does a thing know what to do? 3. Sagredo explains: The fundamental reason is a. Galaxies move away; other things do not. b. Big objects move away; little objects do not. c. If the force holdin ...
... Simplicio: You tell me the universe is expanding, and some things do move away but other things do not. How does a thing know what to do? 3. Sagredo explains: The fundamental reason is a. Galaxies move away; other things do not. b. Big objects move away; little objects do not. c. If the force holdin ...
News Release - האוניברסיטה העברית
... they merged. In such a merger, the colliding gas clouds produce a big burst of new stars at a rate of hundreds of solar masses per year. ...
... they merged. In such a merger, the colliding gas clouds produce a big burst of new stars at a rate of hundreds of solar masses per year. ...
THE 3-D UNIVERSE CONCEPTS
... Computer models of the Universe let astronomers translate their data into something they can see and experience. For example, astronomers can make predictions about what happens when two galaxies interact. They can then plug their data into a computer program and fly through a simulated 3-D model to ...
... Computer models of the Universe let astronomers translate their data into something they can see and experience. For example, astronomers can make predictions about what happens when two galaxies interact. They can then plug their data into a computer program and fly through a simulated 3-D model to ...
The relationship between difference and ratio and a proposal
... same coin’ (= universe); as synonyms to some extent. This is comparable to the synonymity of mass and energy where c2 is the ‘independent variable’. (As a matter of fact, c is the most constant ‘variable’ that we can think of; other universes may bear other physics owing to other numerical values fo ...
... same coin’ (= universe); as synonyms to some extent. This is comparable to the synonymity of mass and energy where c2 is the ‘independent variable’. (As a matter of fact, c is the most constant ‘variable’ that we can think of; other universes may bear other physics owing to other numerical values fo ...
Document
... a) supernova as standard candles to determine far distances b) patterns of small variation in the CMB c) galaxy rotation measurements ...
... a) supernova as standard candles to determine far distances b) patterns of small variation in the CMB c) galaxy rotation measurements ...
Lecture 5
... stars which were large, numerous and close together" and that the "ignition takes place in the upper part of the atmosphere." The Arabian astronomer, Alhazen (965-1037 A.D.), refuted this by making the first attempt at observing and measuring the Milky Way's parallax, and he thus "determined that be ...
... stars which were large, numerous and close together" and that the "ignition takes place in the upper part of the atmosphere." The Arabian astronomer, Alhazen (965-1037 A.D.), refuted this by making the first attempt at observing and measuring the Milky Way's parallax, and he thus "determined that be ...
Slide 1
... stars which were large, numerous and close together" and that the "ignition takes place in the upper part of the atmosphere." The Arabian astronomer, Alhazen (965-1037 A.D.), refuted this by making the first attempt at observing and measuring the Milky Way's parallax, and he thus "determined that be ...
... stars which were large, numerous and close together" and that the "ignition takes place in the upper part of the atmosphere." The Arabian astronomer, Alhazen (965-1037 A.D.), refuted this by making the first attempt at observing and measuring the Milky Way's parallax, and he thus "determined that be ...
- Philsci-Archive
... situation, be used in the production of a Euclidean algorithm process leading to convergence to a midpoint, perhaps in the infinite limit. However because of the irreversibility of time there is no way, given only the existence of C and C1 , to construct a clock pulsing in the period J. Any such con ...
... situation, be used in the production of a Euclidean algorithm process leading to convergence to a midpoint, perhaps in the infinite limit. However because of the irreversibility of time there is no way, given only the existence of C and C1 , to construct a clock pulsing in the period J. Any such con ...
class 2, S11
... —No, the observable portion of the universe is about 14 billion light-years in radius because the universe is about 14 billion years old. ALSO (not in Ch. 1 of the book), we can “see” only about 4% of the universe, 96% is made of “dark matter” and “dark energy”. ...
... —No, the observable portion of the universe is about 14 billion light-years in radius because the universe is about 14 billion years old. ALSO (not in Ch. 1 of the book), we can “see” only about 4% of the universe, 96% is made of “dark matter” and “dark energy”. ...
Goal: To understand the expansion of our universe.
... • B) They made a mistake with the observations. • C) The lines were Doppler shifted by a factor of a few. • D) They forgot to take relativity into account. ...
... • B) They made a mistake with the observations. • C) The lines were Doppler shifted by a factor of a few. • D) They forgot to take relativity into account. ...
Planck Era
... Most people are familiar with the term 'Big Bang' theory. However when astronomer Sir Fred Hoyle first coined the phrase 'Big Bang' he did so in order to mock the theory. Hoyle was a firm believer in the alternative steady state theory which gives the universe no start or end. However the name stuc ...
... Most people are familiar with the term 'Big Bang' theory. However when astronomer Sir Fred Hoyle first coined the phrase 'Big Bang' he did so in order to mock the theory. Hoyle was a firm believer in the alternative steady state theory which gives the universe no start or end. However the name stuc ...