Macro\micro - shoukath.net
... stopped... But really we could have continued our trip with out limits to our imagination!!!! ...
... stopped... But really we could have continued our trip with out limits to our imagination!!!! ...
File - Flipped Out Science with Mrs. Thomas!
... • Moving beyond our galaxy, it’s just over two million light years to our nearest galactic neighbor, the Andromeda galaxy. The light we currently see from that galaxy left there about the same time the ancestors of modern humans were first discovering stone tools. Astronomers measure the distance to ...
... • Moving beyond our galaxy, it’s just over two million light years to our nearest galactic neighbor, the Andromeda galaxy. The light we currently see from that galaxy left there about the same time the ancestors of modern humans were first discovering stone tools. Astronomers measure the distance to ...
Cosmology Notes
... Coma cluster of galaxies were rotating so fast that they should fly apart. In 1962, astronomer Vera Rubin studied the rotation of the Milky Way galaxy and found the same problem. In 1978, Rubin and her colleagues had examined eleven spiral galaxies, all of which were spinning too fast to stay togeth ...
... Coma cluster of galaxies were rotating so fast that they should fly apart. In 1962, astronomer Vera Rubin studied the rotation of the Milky Way galaxy and found the same problem. In 1978, Rubin and her colleagues had examined eleven spiral galaxies, all of which were spinning too fast to stay togeth ...
Explainer: Light-years and units for the stars
... There is a flash of lightning and some seconds later Magellanic Cloud, which can be seen on very dark we hear the roll of thunder. The speed of sound is nights, is 160,000 light-years away! roughly 340 metres every second, or 1,200 kilometres an hour. Light travels almost a million times faster than ...
... There is a flash of lightning and some seconds later Magellanic Cloud, which can be seen on very dark we hear the roll of thunder. The speed of sound is nights, is 160,000 light-years away! roughly 340 metres every second, or 1,200 kilometres an hour. Light travels almost a million times faster than ...
Astrophysics * Glossary - Uplift Summit International
... • there is a finite time since the Big Bang. Hence if you go back far enough in time (if you look far enough out in distance), eventually there will be no stars • The universe is not unchanging in time, it is expanding. Hence the most distant stars/ galaxies are strongly red- shifted, out of the vis ...
... • there is a finite time since the Big Bang. Hence if you go back far enough in time (if you look far enough out in distance), eventually there will be no stars • The universe is not unchanging in time, it is expanding. Hence the most distant stars/ galaxies are strongly red- shifted, out of the vis ...
Big Bang and Synthesis of Elements
... exists today it is possible to learn a great deal about its past. Much effort has gone into understanding the formation and number of baryons present today. Through finding answers to these modern questions, it is possible to trace their role in the universe back to the Big Bang. Subsequently, by st ...
... exists today it is possible to learn a great deal about its past. Much effort has gone into understanding the formation and number of baryons present today. Through finding answers to these modern questions, it is possible to trace their role in the universe back to the Big Bang. Subsequently, by st ...
Lecture 24, PPT version
... • Cosmological redshift is technically not a Doppler shift (photons lose energy as they travel to us) • Energy density in light drops faster than energy density in mass due to redshift of the photons • Big Bang predictions • Olbers’ paradox (darkness at night) ...
... • Cosmological redshift is technically not a Doppler shift (photons lose energy as they travel to us) • Energy density in light drops faster than energy density in mass due to redshift of the photons • Big Bang predictions • Olbers’ paradox (darkness at night) ...
1 Introduction for non-astronomers 1.1 Our expanding universe
... (which includes stars, dust, and everything else that we can see around us) was being helped in this task by an additional component of invisible “dark matter”. Although dark matter seems to have the same gravitational attraction as baryonic matter, it does not emit light, at any wavelength. This ma ...
... (which includes stars, dust, and everything else that we can see around us) was being helped in this task by an additional component of invisible “dark matter”. Although dark matter seems to have the same gravitational attraction as baryonic matter, it does not emit light, at any wavelength. This ma ...
The Big Bang
... curve outward. Most new stars are found in the arms. Elliptical – A round flattened ball. Contains mostly old stars. Irregular – No certain shape. Contain many bright young stars and much dust and gas. ...
... curve outward. Most new stars are found in the arms. Elliptical – A round flattened ball. Contains mostly old stars. Irregular – No certain shape. Contain many bright young stars and much dust and gas. ...
WHERE DO ELEMENTS COME FROM?
... • Meanwhile, in Princeton (?) the design of a microwave detector was underway - Trying to find the left over light from the big bang. • Then the phone rang…it was Penzias and Wilson…they had a problem they didn’t understand…oh what a lucky problem! ...
... • Meanwhile, in Princeton (?) the design of a microwave detector was underway - Trying to find the left over light from the big bang. • Then the phone rang…it was Penzias and Wilson…they had a problem they didn’t understand…oh what a lucky problem! ...
TCE Syllabus Summary Blank
... identify data sources, and gather, process and analyse information to assess one of the models of the Universe developed from the time of Aristotle to the time of Newton to identify limitations placed on the development of the model by the technology available at the time ...
... identify data sources, and gather, process and analyse information to assess one of the models of the Universe developed from the time of Aristotle to the time of Newton to identify limitations placed on the development of the model by the technology available at the time ...
galaxy.
... toward the red, it is equivalent to say that the redshifts of galaxies increase with distance. ...
... toward the red, it is equivalent to say that the redshifts of galaxies increase with distance. ...
GCSE P1 1.5.4 Red shift
... after exploding suddenly in a Big Bang from a very small initial point, some 13.5 billion years ago. ...
... after exploding suddenly in a Big Bang from a very small initial point, some 13.5 billion years ago. ...
11.3 Measuring Distances in Space
... years ago (is 4.2 years old). This star is so dim it can only be seen through a telescope. It is the red object in the centre of the picture. ...
... years ago (is 4.2 years old). This star is so dim it can only be seen through a telescope. It is the red object in the centre of the picture. ...
Ch 20 Notes Stars
... • When a scientist observes a galaxy that is 1 billion years away, they are observing light that left the galaxy 1 billion years ago • Scientists don’t know what the galaxy looks like now, but can study similar closer galaxies to piece together the evolution of galaxies • The gas, dust and stars tha ...
... • When a scientist observes a galaxy that is 1 billion years away, they are observing light that left the galaxy 1 billion years ago • Scientists don’t know what the galaxy looks like now, but can study similar closer galaxies to piece together the evolution of galaxies • The gas, dust and stars tha ...
Hubble Redshift - at www.arxiv.org.
... [email protected] Recent measurements of Hubble redshift from supernovae are inconsistent with the standard theoretical model of an expanding Friedmann universe. Figure 1 shows the Hubble redshift for 37 supernovae measured by Riess et al.1 illustrating that a positive cosmological constant must b ...
... [email protected] Recent measurements of Hubble redshift from supernovae are inconsistent with the standard theoretical model of an expanding Friedmann universe. Figure 1 shows the Hubble redshift for 37 supernovae measured by Riess et al.1 illustrating that a positive cosmological constant must b ...
Demo: An Expanding universe
... Demo: An Expanding Universe: Background: In fact, the universe is getting even bigger than it already is! Astronomers believe that the universe is expanding - that distant galaxies in the universe are getting farther apart all the time. It's not that stars and galaxies are getting bigger; rather, th ...
... Demo: An Expanding Universe: Background: In fact, the universe is getting even bigger than it already is! Astronomers believe that the universe is expanding - that distant galaxies in the universe are getting farther apart all the time. It's not that stars and galaxies are getting bigger; rather, th ...
Key Topics Astronomy Unit
... • States that 12-14 billion years ago, the universe was only a few millimeters across. • According to this theory, the contents of the universe expanded explosively into existence about 13.7 billion years ago. • After the big bang, the universe expanded quickly, and continues to expand, and cooled e ...
... • States that 12-14 billion years ago, the universe was only a few millimeters across. • According to this theory, the contents of the universe expanded explosively into existence about 13.7 billion years ago. • After the big bang, the universe expanded quickly, and continues to expand, and cooled e ...
13. Time and the past and future histories of the universe
... We have seen that time is the critical fact of all our theories about our universe. We can conceive, even if it is difficult, of time ranging from 10-43 seconds to times of 10105 years (or if you wish 10112 seconds). We are starting to wonder if, for very short times, time itself must be quantized a ...
... We have seen that time is the critical fact of all our theories about our universe. We can conceive, even if it is difficult, of time ranging from 10-43 seconds to times of 10105 years (or if you wish 10112 seconds). We are starting to wonder if, for very short times, time itself must be quantized a ...
Scientific Models and a Comprehensive Picture of
... This hypothesis has been known to some physicists; e.g. Richard Feynman discussed this topic in his teachings on gravitation in the 1960s. However, this idea and its implications have not been widely known, since during recent years, the zero-energy principle has appeared again in several papers wit ...
... This hypothesis has been known to some physicists; e.g. Richard Feynman discussed this topic in his teachings on gravitation in the 1960s. However, this idea and its implications have not been widely known, since during recent years, the zero-energy principle has appeared again in several papers wit ...
Stars and Galaxies
... still moving away from this explosion. Scientists don’t know if the universe will expand forever or stop expanding. If there is enough matter in the universe, gravity might stop the expansion. Then the universe would contract until everything came back to a single point. But studies show the univers ...
... still moving away from this explosion. Scientists don’t know if the universe will expand forever or stop expanding. If there is enough matter in the universe, gravity might stop the expansion. Then the universe would contract until everything came back to a single point. But studies show the univers ...
Powerpoint
... However, the Universe is so big that it takes a long time for light to travel from one galaxy to another. It takes 2.5 million years for light from the nearby Andromeda Galaxy to reach us. If you look at the Andromeda Galaxy today, you see it as it looked 2.5 million years ago. ...
... However, the Universe is so big that it takes a long time for light to travel from one galaxy to another. It takes 2.5 million years for light from the nearby Andromeda Galaxy to reach us. If you look at the Andromeda Galaxy today, you see it as it looked 2.5 million years ago. ...
Our Place in the Universe (Chapter 1) The Structure and Size of the
... However, the Universe is so big that it takes a long time for light to travel from one galaxy to another. It takes 2.5 million years for light from the nearby Andromeda Galaxy to reach us. If you look at the Andromeda Galaxy today, you see it as it looked 2.5 million years ago. ...
... However, the Universe is so big that it takes a long time for light to travel from one galaxy to another. It takes 2.5 million years for light from the nearby Andromeda Galaxy to reach us. If you look at the Andromeda Galaxy today, you see it as it looked 2.5 million years ago. ...
Getting to Know: Evidence for the Big Bang Theory
... Although challenged by such theories as the Steady State Theory, the Big Bang Theory continues to be the most widely accepted theory of the universe’s origin among scientists. It states that the universe formed approximately 10 to 20 billion years ago when a single point in space began to expand rap ...
... Although challenged by such theories as the Steady State Theory, the Big Bang Theory continues to be the most widely accepted theory of the universe’s origin among scientists. It states that the universe formed approximately 10 to 20 billion years ago when a single point in space began to expand rap ...