Earth apart.
... concluded the supernovae must be even more distant than expected, which means the universe's expansion is increasing. • Cosmic microwave background (eMB) observations first showed in the 1%Os that microwave radiation emanates from all directions in space. This observation was evidence for the Big Ba ...
... concluded the supernovae must be even more distant than expected, which means the universe's expansion is increasing. • Cosmic microwave background (eMB) observations first showed in the 1%Os that microwave radiation emanates from all directions in space. This observation was evidence for the Big Ba ...
Will Dark Energy Tear the Universe Apart?
... axy clusters must have additional mass that isn't luminous. A massive object in this case, a cluster of galaxies - can warp space-time. The light from a dis tant object follows this bent space-time, which allows the observer to see what sits behind the galaxy cluster. The lumi nous mass in a gala ...
... axy clusters must have additional mass that isn't luminous. A massive object in this case, a cluster of galaxies - can warp space-time. The light from a dis tant object follows this bent space-time, which allows the observer to see what sits behind the galaxy cluster. The lumi nous mass in a gala ...
PowerPoint
... • Yep! It’s redshift down to the microwave. Called the Cosmic Microwave Background. • First detected by Robert Wilson and Arno Penzias. ...
... • Yep! It’s redshift down to the microwave. Called the Cosmic Microwave Background. • First detected by Robert Wilson and Arno Penzias. ...
The Hubble Mission - Indiana University Astronomy
... Brightness measurements of distant, ancient supernovae indicate that expansion of the universe began to speed up four to six billion years ago, when the Dark Energy's repulsive force began to overcome the attractive force of gravity over cosmic distances Supernovae measured with Hubble hint that Dar ...
... Brightness measurements of distant, ancient supernovae indicate that expansion of the universe began to speed up four to six billion years ago, when the Dark Energy's repulsive force began to overcome the attractive force of gravity over cosmic distances Supernovae measured with Hubble hint that Dar ...
Section 19.3
... The Big Bang theory says the universe began as a huge explosion between 10 billion and 20 billion years ago. According to this theory, all matter and energy started in a space smaller than the nucleus of an atom. ...
... The Big Bang theory says the universe began as a huge explosion between 10 billion and 20 billion years ago. According to this theory, all matter and energy started in a space smaller than the nucleus of an atom. ...
Chapter 5 Telescope Test
... is called the_____________/______________. 5. In order to get better resolution, radio telescopes are placed in a(n) _____________. 6. A special room where light from the telescope is diverted is called the _____________ room. 7. The Dobsonian telescope is a _______________ telescope. 8. The giant K ...
... is called the_____________/______________. 5. In order to get better resolution, radio telescopes are placed in a(n) _____________. 6. A special room where light from the telescope is diverted is called the _____________ room. 7. The Dobsonian telescope is a _______________ telescope. 8. The giant K ...
Word
... isotropic to one of our ant-astronomers. In each direction within the 2-d surface of the balloon, he/she will see the same general appearance of the Universe (our 2-d ant-astronomers are not allowed to even think of the third dimension, let alone look in that direction!). Furthermore, that view of t ...
... isotropic to one of our ant-astronomers. In each direction within the 2-d surface of the balloon, he/she will see the same general appearance of the Universe (our 2-d ant-astronomers are not allowed to even think of the third dimension, let alone look in that direction!). Furthermore, that view of t ...
Current status of Subaru Telescope
... – It would be very useful to have non-sidereal guiding implemented for solar system targets • We will test the new feature at Cassegrain in February 2008 • Release date to open use observations to be discussed after test – Background at NsIR in L-band and M-band is higher than at Cassegrain • Image ...
... – It would be very useful to have non-sidereal guiding implemented for solar system targets • We will test the new feature at Cassegrain in February 2008 • Release date to open use observations to be discussed after test – Background at NsIR in L-band and M-band is higher than at Cassegrain • Image ...
AWG recommendation on Cosmic Vision
... The AWG believes that these scientific issues will remain at the centre of cosmological interest for at least the next two decades and that great progress towards their solution can be achieved within the Cosmic Vision programme. To maintain Europe's leading role in widefield imaging, and correspond ...
... The AWG believes that these scientific issues will remain at the centre of cosmological interest for at least the next two decades and that great progress towards their solution can be achieved within the Cosmic Vision programme. To maintain Europe's leading role in widefield imaging, and correspond ...
Astronomy 401 Lecture 1 Overview of the Universe 1 Class overview
... by distance, and it has the units km s−1 Mpc−1 (note that the actual units are inverse time). Hubble’s original estimate was H0 = 500 km s−1 Mpc−1 , but he was severely underestimating the distances to galaxies. The Hubble constant has been measured with precision only in the last ∼ 10 years; curren ...
... by distance, and it has the units km s−1 Mpc−1 (note that the actual units are inverse time). Hubble’s original estimate was H0 = 500 km s−1 Mpc−1 , but he was severely underestimating the distances to galaxies. The Hubble constant has been measured with precision only in the last ∼ 10 years; curren ...
Facilitator`s Guide PDF
... See the Doppler. Use the PhET “Wave Interference” simulation. Choose the “Water” tab. Demonstrate the basic features of the simulation, such as the ability to adjust the frequency and amplitude of the waves. Choose low frequency and high amplitude waves. You may now use the mouse to grab the faucet ...
... See the Doppler. Use the PhET “Wave Interference” simulation. Choose the “Water” tab. Demonstrate the basic features of the simulation, such as the ability to adjust the frequency and amplitude of the waves. Choose low frequency and high amplitude waves. You may now use the mouse to grab the faucet ...
Powerpoint - UIUC HEP Group
... Dark energy was discovered in 1998 by observing the apparent luminosity of “type Ia” supernovas as a function of distance. Distance was measured using the fact that these supernovas are “standard candles” (all about the same brightness). The inverse-square law tells us the distance. The data came fr ...
... Dark energy was discovered in 1998 by observing the apparent luminosity of “type Ia” supernovas as a function of distance. Distance was measured using the fact that these supernovas are “standard candles” (all about the same brightness). The inverse-square law tells us the distance. The data came fr ...
creation of a cosmology: big bang theory _eng
... CREATION OF A COSMOLOGY: BIG BANG THEORY various authors ...
... CREATION OF A COSMOLOGY: BIG BANG THEORY various authors ...
Slides
... Multi-epoch data set with return to each point on the sky approximately every 4 nights for up to 10 years. A new 10 square degree field every 40 seconds. Prompt alerts (within 60 seconds of detection) to transients. Deliverables Archive over 3 billion galaxies with photometric redshifts to z = 3. De ...
... Multi-epoch data set with return to each point on the sky approximately every 4 nights for up to 10 years. A new 10 square degree field every 40 seconds. Prompt alerts (within 60 seconds of detection) to transients. Deliverables Archive over 3 billion galaxies with photometric redshifts to z = 3. De ...
Nucleosynthesis in the Early Universe.
... Best estimates from all the matter we can see in galaxies[visible matter] is that = 0.02. From the way galaxies rotate we also have evidence that there is a large amount of matter we cannot see--Dark Matter. This raises the value of to 0.2 or so.This value has a large uncertainty but it is remar ...
... Best estimates from all the matter we can see in galaxies[visible matter] is that = 0.02. From the way galaxies rotate we also have evidence that there is a large amount of matter we cannot see--Dark Matter. This raises the value of to 0.2 or so.This value has a large uncertainty but it is remar ...
Document
... • The current round of experiments (~1000 detectors) can only hope for a statistical detection. • To perform high S/N imaging of lensing B-polarization, one must increase the survey speed by 102. • The ground based platforms (DASI “drum”, SPT) will be maxed out already in the current round of exp. ...
... • The current round of experiments (~1000 detectors) can only hope for a statistical detection. • To perform high S/N imaging of lensing B-polarization, one must increase the survey speed by 102. • The ground based platforms (DASI “drum”, SPT) will be maxed out already in the current round of exp. ...
Type Ia supernovae and the ESSENCE supernova survey
... density that is not necessarily the same as Einstein's cosmological constant is: ...
... density that is not necessarily the same as Einstein's cosmological constant is: ...
Theory of the Infinite Universe
... process releases energy. Massive stars begin as a giant ball of burning hydrogen. Over time the composition of the massive star is converted into helium. The nucleosynthesis, or fusion of lighter ...
... process releases energy. Massive stars begin as a giant ball of burning hydrogen. Over time the composition of the massive star is converted into helium. The nucleosynthesis, or fusion of lighter ...
Cosmology and Particle Physics
... that are discussed in Dark Matter and Closure . The rst results, published in 1999, are only the beginning of emerging data, with astronomy now entering a data-rich era. Figure 5 shows how the recession of galaxies looks like the remnants of a gigantic explosion, the famous Big Bang. Extrapolating ...
... that are discussed in Dark Matter and Closure . The rst results, published in 1999, are only the beginning of emerging data, with astronomy now entering a data-rich era. Figure 5 shows how the recession of galaxies looks like the remnants of a gigantic explosion, the famous Big Bang. Extrapolating ...
Galaxies
... Hubble Expansion of Universe During 1920‘s and 30‘s Edwin Hubble was Measuring the distances of stars and galaxies and comparing them to the redshift of their spectra. He discovered that the radial speed of the galaxies increased in proportion to their distance. A plot of later data is shown in the ...
... Hubble Expansion of Universe During 1920‘s and 30‘s Edwin Hubble was Measuring the distances of stars and galaxies and comparing them to the redshift of their spectra. He discovered that the radial speed of the galaxies increased in proportion to their distance. A plot of later data is shown in the ...
TR-16
... Inflationary theory indicates the universe should have a flat geometry or zero curvature. The Wilkinson Microwave Anisotropy Probe determined that the universe is flat to within 2% margin of error by analyzing fluctuations in the cosmic microwave background radiation. Astronomers also found that the ...
... Inflationary theory indicates the universe should have a flat geometry or zero curvature. The Wilkinson Microwave Anisotropy Probe determined that the universe is flat to within 2% margin of error by analyzing fluctuations in the cosmic microwave background radiation. Astronomers also found that the ...
Beyond the Big Bang - Physics Department, Princeton University
... The key to discovering the structure of the universe, the way it evolved, and where it is headed is to gather light from distant sources. Light travels through empty space at a finite speed, 186,000 miles per second, so the light collected today from a distant source must have been emitted long ago. ...
... The key to discovering the structure of the universe, the way it evolved, and where it is headed is to gather light from distant sources. Light travels through empty space at a finite speed, 186,000 miles per second, so the light collected today from a distant source must have been emitted long ago. ...
Caribbean - Telescopes
... The “ C seafa aribbean” a ring f olk us nd its ma in the ny e i r ev tele dang ers th ery day liv scopes es at help of len are ahea to see d. Wi ses th t are p ese teles h the cope ossib s le. ...
... The “ C seafa aribbean” a ring f olk us nd its ma in the ny e i r ev tele dang ers th ery day liv scopes es at help of len are ahea to see d. Wi ses th t are p ese teles h the cope ossib s le. ...
california association for research in astronomy
... the NGS loop onto one of the other members of the cluster. This will change the field positions of all of the cluster members without altering the test setup. ...
... the NGS loop onto one of the other members of the cluster. This will change the field positions of all of the cluster members without altering the test setup. ...
How Big Is Our Universe? - Harvard
... galaxies not as they are today, but as they looked long before there was life on Earth. Some galaxies are so far away that they appear as tiny smudges, even through the largest telescopes. It’s tough to determine how large or bright these fuzzy distant galaxies are. But astronomers can figure out th ...
... galaxies not as they are today, but as they looked long before there was life on Earth. Some galaxies are so far away that they appear as tiny smudges, even through the largest telescopes. It’s tough to determine how large or bright these fuzzy distant galaxies are. But astronomers can figure out th ...