Astronomy and Cosmology Exam Review
... 2) What does the red shift tell us about the motion of the universe? It is expanding 3) What is currently the most accepted theory about the origin of the universe called? Big Bang 4) What can I tell about a star based on its color? What elements are present 5) What is the most common unit for measu ...
... 2) What does the red shift tell us about the motion of the universe? It is expanding 3) What is currently the most accepted theory about the origin of the universe called? Big Bang 4) What can I tell about a star based on its color? What elements are present 5) What is the most common unit for measu ...
Origins of the Universe - Fraser Heights Chess Club
... 1. What happens to a spaceship that falls into a black hole? 2. Will the black holes in our Galaxy eventually suck up everything in it - a cosmic vacuum cleaner? 3. What would happen to Earth if the Sun was replaced by a black hole of the same mass? 4. If we can’t see black holes, how do we know the ...
... 1. What happens to a spaceship that falls into a black hole? 2. Will the black holes in our Galaxy eventually suck up everything in it - a cosmic vacuum cleaner? 3. What would happen to Earth if the Sun was replaced by a black hole of the same mass? 4. If we can’t see black holes, how do we know the ...
The Cosmic Dawn : Physics of the First Luminous Objects
... One of the paramount problems in modern cosmology is to elucidate how the first generation of luminous objects, stars, accreting black holes (BHs) and galaxies, shaped the early universe at the end of the cosmic dark ages. According to the modern theory of cosmological structure formation, the hiera ...
... One of the paramount problems in modern cosmology is to elucidate how the first generation of luminous objects, stars, accreting black holes (BHs) and galaxies, shaped the early universe at the end of the cosmic dark ages. According to the modern theory of cosmological structure formation, the hiera ...
The Universe: “Beyond the Big Bang” Video Questions
... 2. What is a major problem with the Big Bang theory? It doesn’t explain everything. 3. The Big Bang theory only deals with the aftermath. 4. What is the sun mostly made of? Hydrogen, mostly (and Helium) 5. What is the surface temperature of the Sun? 10,000° F 6. When did our Solar System form? 4.5 b ...
... 2. What is a major problem with the Big Bang theory? It doesn’t explain everything. 3. The Big Bang theory only deals with the aftermath. 4. What is the sun mostly made of? Hydrogen, mostly (and Helium) 5. What is the surface temperature of the Sun? 10,000° F 6. When did our Solar System form? 4.5 b ...
Name Origins: Back to the Beginning Video Questions http://www
... http://www.pbs.org/wgbh/nova/space/origins-series-overview.html#origins-back-beginning 1. The Big Bang theory has been called the greatest discovery in cosmology. Describe it. ...
... http://www.pbs.org/wgbh/nova/space/origins-series-overview.html#origins-back-beginning 1. The Big Bang theory has been called the greatest discovery in cosmology. Describe it. ...
The Universe - UMass Astronomy
... bends the space-time, pretty much like a Black Hole bends the space around itself. • The geometry of the Universe determines its fate: • a closed Universe will at some point reverse its expansion into a contraction, and proceed towards a Big Crunch • a flat or open Universe will expand forever. ...
... bends the space-time, pretty much like a Black Hole bends the space around itself. • The geometry of the Universe determines its fate: • a closed Universe will at some point reverse its expansion into a contraction, and proceed towards a Big Crunch • a flat or open Universe will expand forever. ...
Doppler Effect • The Doppler Effect is the change in frequency
... Light from a distant galaxy is found to contain the spectral lines of hydrogen. One line has a wavelength measured as 466 nm. When the same line is observed from a hydrogen source on Earth it has a wavelength of 434 nm. a) Calculate the extent of redshift, z, for this galaxy. b) Calculate the speed ...
... Light from a distant galaxy is found to contain the spectral lines of hydrogen. One line has a wavelength measured as 466 nm. When the same line is observed from a hydrogen source on Earth it has a wavelength of 434 nm. a) Calculate the extent of redshift, z, for this galaxy. b) Calculate the speed ...
ISP 205: Visions of the Universe
... • We see objects as they were in the past: • Light travels at a finite speed (300,000 km/s). • The farther away we look in distance, the further back we look in time. • Allows us to study the history of the Universe. ...
... • We see objects as they were in the past: • Light travels at a finite speed (300,000 km/s). • The farther away we look in distance, the further back we look in time. • Allows us to study the history of the Universe. ...
OUR EARTH AND UNIVERSE --- WHERE WE LIVE (by Charles
... years. Our universe began to form about 13.7 billion years ago (the Big Bang). Our planet Earth began to form about 4.5 billion years ago? How big is a billion? Consider that there are 60 seconds in a minute and 3,600 seconds in an hour. There are one million seconds in 12 days. There are one billio ...
... years. Our universe began to form about 13.7 billion years ago (the Big Bang). Our planet Earth began to form about 4.5 billion years ago? How big is a billion? Consider that there are 60 seconds in a minute and 3,600 seconds in an hour. There are one million seconds in 12 days. There are one billio ...
Humanism for Secondary School Pupils S4 – 6
... the Big Bang. You can hear it yourself – it is the static you get when you try to tune in a radio or TV station. It is important to realise that this was the beginning of space and time. To ask, “what was there before the Big Bang?” is meaningless because time did not exist. What Can We See? Powerfu ...
... the Big Bang. You can hear it yourself – it is the static you get when you try to tune in a radio or TV station. It is important to realise that this was the beginning of space and time. To ask, “what was there before the Big Bang?” is meaningless because time did not exist. What Can We See? Powerfu ...
Space Science Ch. 1 Notes - Mr. Ruggiero`s Science 8-2
... Extra: What zodiac sign are you? Find the constellation for your sign and draw it in the box. ...
... Extra: What zodiac sign are you? Find the constellation for your sign and draw it in the box. ...
The Origin of the Universe - Christos N. Hadjichristidis
... If there is not so much matter but rather dark energy -- the force that acts like anti-gravity -- then the Universe will continue to expand until every single speck of matter is pulled infinitely apart from each other. A more pleasant notion is the situation where the Universe has just the right amo ...
... If there is not so much matter but rather dark energy -- the force that acts like anti-gravity -- then the Universe will continue to expand until every single speck of matter is pulled infinitely apart from each other. A more pleasant notion is the situation where the Universe has just the right amo ...
Where We Were to Where We Are: The History of Astronomy
... • Most of what we know about Astronomy and Space we learned in the last 20 years • In your lifetimes there will be much, much more that we understand and learn • Never stop asking questions and wondering why? And how? • This is how we got to where we are today ...
... • Most of what we know about Astronomy and Space we learned in the last 20 years • In your lifetimes there will be much, much more that we understand and learn • Never stop asking questions and wondering why? And how? • This is how we got to where we are today ...
What could it be?: the nature of dark matter
... •Doppler shifts tells us rotation velocity •Gravitational force should decrease as radius increases •The result should be a decreasing rotation velocity with increasing radius, following Kepler’s theory ...
... •Doppler shifts tells us rotation velocity •Gravitational force should decrease as radius increases •The result should be a decreasing rotation velocity with increasing radius, following Kepler’s theory ...
Using Galaxy Clusters to Study Structure Evolution
... – The whole universe is expanding, and observers on any other planet in any other galaxy would note the same proportionality between recession velocity and distance- the Hubble Law. BNH ...
... – The whole universe is expanding, and observers on any other planet in any other galaxy would note the same proportionality between recession velocity and distance- the Hubble Law. BNH ...
universe - Northwest ISD Moodle
... 3. What is dark matter, and why can’t it be detected via optical (light) or radio astronomy? 4. How old do scientists think the Universe is, and how do they ...
... 3. What is dark matter, and why can’t it be detected via optical (light) or radio astronomy? 4. How old do scientists think the Universe is, and how do they ...
AST101_lect_25
... Olber’s Paradox Suppose the universe is infinite • In whatever direction you look, you will see a star • The brightness of an individual star falls by the inverse square law: I ~ d-2 • The number of stars increases as d2 The night sky should be as bright as the surface of the Sun! ...
... Olber’s Paradox Suppose the universe is infinite • In whatever direction you look, you will see a star • The brightness of an individual star falls by the inverse square law: I ~ d-2 • The number of stars increases as d2 The night sky should be as bright as the surface of the Sun! ...
AST101 Lecture 25 Why is the Night Sky Dark?
... Olber’s Paradox Suppose the universe is infinite • In whatever direction you look, you will see a star • The brightness of an individual star falls by the inverse square law: I ~ d-2 • The number of stars increases as d2 The night sky should be as bright as the surface of the Sun! ...
... Olber’s Paradox Suppose the universe is infinite • In whatever direction you look, you will see a star • The brightness of an individual star falls by the inverse square law: I ~ d-2 • The number of stars increases as d2 The night sky should be as bright as the surface of the Sun! ...
origins powerpoint
... tremendously. • The initial expansion was faster than the speed of light. • The universe is still expanding today. ...
... tremendously. • The initial expansion was faster than the speed of light. • The universe is still expanding today. ...
Contents: 1. The Value of G 2. Two Alternatives 3. G Units 4
... G = ( 6:6742 Æ 0 :0010) Â 1 0 À 11 The error is: G U =G Ù 1 :932982 ...
... G = ( 6:6742 Æ 0 :0010) Â 1 0 À 11 The error is: G U =G Ù 1 :932982 ...
Our place in the Universe
... Energy. • As the universe expanded, it cooled. This allowed the first subatomic particles to form (protons, neutron, electrons). • The simplest elements were the first to form. Hydrogen and helium. The fuel for STARS! ...
... Energy. • As the universe expanded, it cooled. This allowed the first subatomic particles to form (protons, neutron, electrons). • The simplest elements were the first to form. Hydrogen and helium. The fuel for STARS! ...
The Components and Origin of the Universe
... single raison and so it appears you are sitting still The ...
... single raison and so it appears you are sitting still The ...
Relativity
... • GPS won’t work without corrections for general relativity J. Rhoads (STScI) et al., WIYN, AURA, NOAO, NSF ...
... • GPS won’t work without corrections for general relativity J. Rhoads (STScI) et al., WIYN, AURA, NOAO, NSF ...