The New Cosmology: Our Expanding Universe
... Distant galaxies are moving rapidly away from us; they are all red-shifted. Furthermore, not only are galaxies moving away, but there is a correlation between their distance from us and their velocity. In other words, the father away they are from us, the faster they move away. This is the Hubble La ...
... Distant galaxies are moving rapidly away from us; they are all red-shifted. Furthermore, not only are galaxies moving away, but there is a correlation between their distance from us and their velocity. In other words, the father away they are from us, the faster they move away. This is the Hubble La ...
The New Cosmology: Our Expanding Universe
... Distant galaxies are moving rapidly away from us; they are all red-shifted. Furthermore, not only are galaxies moving away, but there is a correlation between their distance from us and their velocity. In other words, the father away they are from us, the faster they move away. This is the Hubble La ...
... Distant galaxies are moving rapidly away from us; they are all red-shifted. Furthermore, not only are galaxies moving away, but there is a correlation between their distance from us and their velocity. In other words, the father away they are from us, the faster they move away. This is the Hubble La ...
The Universe - staff.harrisonburg.k12.va
... football. • “Clean” galaxies: Very little dust and gas. ...
... football. • “Clean” galaxies: Very little dust and gas. ...
Olber`s Paradox
... So if the universe is infinitely big then the sky should be bright But the sky is dark So the universe is not infinitely big So it should have collapsed ...
... So if the universe is infinitely big then the sky should be bright But the sky is dark So the universe is not infinitely big So it should have collapsed ...
May 2009 Tz 2
... Observations of the night sky indicate that there are many regions of the universe that do not contain any stars. ...
... Observations of the night sky indicate that there are many regions of the universe that do not contain any stars. ...
TheExpansionoftheUniverse
... was first found by Einstein -Disagreed with this point- as he believed the earth was static and unchanging. - In his equation he created what is called the ‘cosmological constant’ - Which proved the universe was static and unchanging ...
... was first found by Einstein -Disagreed with this point- as he believed the earth was static and unchanging. - In his equation he created what is called the ‘cosmological constant’ - Which proved the universe was static and unchanging ...
Galaxies and the Universe
... • At 0.5 c, 24% greater • At 0.9 c, 3 x greater • At 0.99 c, 12 x greater • At 0.999 c, 43 x greater • Each extra 9 more than triples the energy • Getting our 1000 ton ship to 0.9 c takes 1.1 x 1023 joules = U.S. energy use for 1100 years ...
... • At 0.5 c, 24% greater • At 0.9 c, 3 x greater • At 0.99 c, 12 x greater • At 0.999 c, 43 x greater • Each extra 9 more than triples the energy • Getting our 1000 ton ship to 0.9 c takes 1.1 x 1023 joules = U.S. energy use for 1100 years ...
ASTR 2020 Space Astronomy Homework #3 Due Tuesday, 4
... age of the Universe, tU = 13.7 billion years (=13.7 x 109 years). Note that if you re-write the Hubble constant H = 71 km s-1 Mpc-1 in purely c.g.s units, H = 2.3 x 10-18 s-1. Thus, 1 / H = tU in seconds. ...
... age of the Universe, tU = 13.7 billion years (=13.7 x 109 years). Note that if you re-write the Hubble constant H = 71 km s-1 Mpc-1 in purely c.g.s units, H = 2.3 x 10-18 s-1. Thus, 1 / H = tU in seconds. ...
Before people could understand the history of the universe, they had
... • It is the force of gravity which keeps all the planets in their elliptical orbits around the Sun • Newton's Laws say that nothing is naturally at rest; all heavenly bodies should be constantly moving, with no limits on space and time • Newton believed that the Universe was eternal and infinite; th ...
... • It is the force of gravity which keeps all the planets in their elliptical orbits around the Sun • Newton's Laws say that nothing is naturally at rest; all heavenly bodies should be constantly moving, with no limits on space and time • Newton believed that the Universe was eternal and infinite; th ...
Guide to Deep Space Poster PDF
... and hence moving away from us. By the late 1920s Hubble was using the 100 inch Mount Wilson telescope, the largest in the world at the time, to look at distant galaxies. By 1929 he had catalogued 46 galaxies by their distance and speed (measured by the Doppler Effect). The conclusions were unmistake ...
... and hence moving away from us. By the late 1920s Hubble was using the 100 inch Mount Wilson telescope, the largest in the world at the time, to look at distant galaxies. By 1929 he had catalogued 46 galaxies by their distance and speed (measured by the Doppler Effect). The conclusions were unmistake ...
Outline 8: History of the Universe and Solar System
... http://www.cbsnews.com/8301-205_162-57520513/hubble-looks-back13.2-billion-years-in-deepest-view-yet/?tag=cbsContent;cbsCarousel ...
... http://www.cbsnews.com/8301-205_162-57520513/hubble-looks-back13.2-billion-years-in-deepest-view-yet/?tag=cbsContent;cbsCarousel ...
1.1 Fundamental Observers
... proposed by Edwin Hubble in 1929, when he combined his Cepheids3 measurements to those of Slipher. A recessional velocity proportional to distance is the natural result of an expansion which is both isotropic and homogeneous. All fundamental observers see other observers moving away with a velocity ...
... proposed by Edwin Hubble in 1929, when he combined his Cepheids3 measurements to those of Slipher. A recessional velocity proportional to distance is the natural result of an expansion which is both isotropic and homogeneous. All fundamental observers see other observers moving away with a velocity ...
The Big Bang Theory:
... theoretical leap and theorized that the universe’s expansion is directly balanced by gravitational contraction, thus yielding a static universe. • Without this idea of a “cosmological constant”, Einstein could’ve been the first to predict that the universe is not static. ...
... theoretical leap and theorized that the universe’s expansion is directly balanced by gravitational contraction, thus yielding a static universe. • Without this idea of a “cosmological constant”, Einstein could’ve been the first to predict that the universe is not static. ...
Introduction to the Earth
... emissions from a distant supernova and then hoped to make a map of radio emissions from the Milky Way. They adapted a radio dish previously used for communication satellites. They were startled to find that no matter where they pointed the antenna, they measured the same low-level radio signal. Afte ...
... emissions from a distant supernova and then hoped to make a map of radio emissions from the Milky Way. They adapted a radio dish previously used for communication satellites. They were startled to find that no matter where they pointed the antenna, they measured the same low-level radio signal. Afte ...
Activity 2 The Signature of the Stars
... Type 1a supernovas are incredibly bright and almost all identical, two characteristics that make them very useful for studying the universe on the largest (and oldest) scale. The distances to Type 1a su ...
... Type 1a supernovas are incredibly bright and almost all identical, two characteristics that make them very useful for studying the universe on the largest (and oldest) scale. The distances to Type 1a su ...
Linking Asteroids and Meteorites through Reflectance
... • At the dawn of the 20th century, most astronomers thought that the Milky Way Galaxy was the universe, and it measured only a few thousand light-years across. ...
... • At the dawn of the 20th century, most astronomers thought that the Milky Way Galaxy was the universe, and it measured only a few thousand light-years across. ...
THE BIG BANG - Dublin City Schools
... more distant galaxies had higher redshifts (light takes millions or even billions of years to reach us from a distant galaxy) This means we are seeing an image from millions or billions of years ago. He noticed that the light, when it was emitted, would have shorter wavelengths. But, he observed lon ...
... more distant galaxies had higher redshifts (light takes millions or even billions of years to reach us from a distant galaxy) This means we are seeing an image from millions or billions of years ago. He noticed that the light, when it was emitted, would have shorter wavelengths. But, he observed lon ...
New Directions
... signals from Saturn The curvature of spacetime near the Sun is tested Einstein is correct! ...
... signals from Saturn The curvature of spacetime near the Sun is tested Einstein is correct! ...
1. a) Astronomers use the parallax method to measure
... a) What sort of a measurement did I make to determine that speed? I measured the Doppler shift. That is, I measured the shift in the spectrum to longer wavelengths from what was emitted. With our balloons we measured the change in distance with time, but we can’t do that with the real Universe. b) W ...
... a) What sort of a measurement did I make to determine that speed? I measured the Doppler shift. That is, I measured the shift in the spectrum to longer wavelengths from what was emitted. With our balloons we measured the change in distance with time, but we can’t do that with the real Universe. b) W ...
A time travel of 14 billion years
... with about the same apparent diameter as the moon, and showed it was about a hundred thousand times as far away as the nearest stars. It had to be a separate galaxy, comparable in size our own Milky Way but much further away. Hubble was able to measure the distances to only a handful of other galaxi ...
... with about the same apparent diameter as the moon, and showed it was about a hundred thousand times as far away as the nearest stars. It had to be a separate galaxy, comparable in size our own Milky Way but much further away. Hubble was able to measure the distances to only a handful of other galaxi ...
Galaxies and the Universe
... • The sum of all space, matter, and energy that exists, has existed, or will exist • There is only one • You are part of it too! • We see it as it was in the past • Contains many other galaxies • Most of it is empty space ...
... • The sum of all space, matter, and energy that exists, has existed, or will exist • There is only one • You are part of it too! • We see it as it was in the past • Contains many other galaxies • Most of it is empty space ...
Problem Set # 7: The Penultimate Problem Set Due Wednesday
... percentage of the total age of the universe have the following things existed? a) neutral (as opposed to ionized) atoms b) the first galaxies to have formed c) the Great Pyramid in Giza, Egypt (Its date of completion is something you can look up.) d) you ...
... percentage of the total age of the universe have the following things existed? a) neutral (as opposed to ionized) atoms b) the first galaxies to have formed c) the Great Pyramid in Giza, Egypt (Its date of completion is something you can look up.) d) you ...
Other Galaxies, their Distances, and the Expansion of the Universe
... n Making mistakes because objects are getting dim and hard to measure n Finding a standard candle in the first place. n ...
... n Making mistakes because objects are getting dim and hard to measure n Finding a standard candle in the first place. n ...