non-locality, consciousness and the emerging new
... In other words, the universe is remarkably homogeneous at large scales as observed by the microwave radiation that fills all space. The inflationary model proposed by Guth and others (cf. Guth, 1981) was developed in its various forms to account for the flatness of the universe and it appeared to al ...
... In other words, the universe is remarkably homogeneous at large scales as observed by the microwave radiation that fills all space. The inflationary model proposed by Guth and others (cf. Guth, 1981) was developed in its various forms to account for the flatness of the universe and it appeared to al ...
Slide 1
... TCP 21 • One of our favorite reasons is to look at the atomic hydrogen clouds in the Milky Way. • The clouds lay very far out from the galactic center (further out than our sun) and are rotating faster than they should be if they were just feeling the gravity of the mass we can “see” Big Bang, Blac ...
... TCP 21 • One of our favorite reasons is to look at the atomic hydrogen clouds in the Milky Way. • The clouds lay very far out from the galactic center (further out than our sun) and are rotating faster than they should be if they were just feeling the gravity of the mass we can “see” Big Bang, Blac ...
Dark Matter in the Universe
... meters (81 miles) per second. As eager spectators, we must it. For every gram of glowing material we can detect, watch this encounter for a few decades to know if M31 will strike our galaxy or merely slide by. If they do collide, we will there may be tens of grams of dark matter out there. Currently ...
... meters (81 miles) per second. As eager spectators, we must it. For every gram of glowing material we can detect, watch this encounter for a few decades to know if M31 will strike our galaxy or merely slide by. If they do collide, we will there may be tens of grams of dark matter out there. Currently ...
The universe as a whole would have continued expanding and
... what one would expect to find in the light emitted by an object that is glowing red hot. This means that we can tell a star's temperature from the spectrum of its light. Moreover, we find that certain very specific colors are missing from stars’ spectra, and these missing colors may vary from star ...
... what one would expect to find in the light emitted by an object that is glowing red hot. This means that we can tell a star's temperature from the spectrum of its light. Moreover, we find that certain very specific colors are missing from stars’ spectra, and these missing colors may vary from star ...
Laser Interferometer Space Antenna “Listening to the Universe with
... the Earth & Alpha Centauri with better than the precision of human hair! LISA’s acceleration precision: 3 x 10-15 m/s2 ...
... the Earth & Alpha Centauri with better than the precision of human hair! LISA’s acceleration precision: 3 x 10-15 m/s2 ...
CNO and F abundances in the barium star HD 123396
... otherwise normal star by material from an evolved companion on the asymptotic giant branch (AGB). Aims. We aim to derive carbon, nitrogen, oxygen, and fluorine abundances for the first time from the infrared spectra of the barium red giant star HD 123396 to quantitatively test AGB nucleosynthesis mo ...
... otherwise normal star by material from an evolved companion on the asymptotic giant branch (AGB). Aims. We aim to derive carbon, nitrogen, oxygen, and fluorine abundances for the first time from the infrared spectra of the barium red giant star HD 123396 to quantitatively test AGB nucleosynthesis mo ...
The Big Bang - Community Resources for Science
... up and use my light pen to show your classmates where these elements are in the periodic table. Do not worry I will help you. And remember not to shine the light pen in anyone’s eyes because it is very bright. Notice that some of the elements do not have a known reason for keeping us healthy. Perhap ...
... up and use my light pen to show your classmates where these elements are in the periodic table. Do not worry I will help you. And remember not to shine the light pen in anyone’s eyes because it is very bright. Notice that some of the elements do not have a known reason for keeping us healthy. Perhap ...
PHY306 Introduction to Cosmology Practice Problems
... 23. (a) As mentioned in question 18, the metal-poor star HE 1523–0901 has an age of 13.4 ± 2.2 Gyr. Again assuming that the first stars form 100 Myr after the Big Bang, calculate the value of H0 implied for an open model with Ωm0 = 0.28. Compare your answer with the one you obtained in question 18, ...
... 23. (a) As mentioned in question 18, the metal-poor star HE 1523–0901 has an age of 13.4 ± 2.2 Gyr. Again assuming that the first stars form 100 Myr after the Big Bang, calculate the value of H0 implied for an open model with Ωm0 = 0.28. Compare your answer with the one you obtained in question 18, ...
Insights into thermonuclear supernovae from the incomplete Si
... 2007; Mazzali et al. 2008; Tanaka et al. 2011). It is to be expected that the set of SNIa for which a detailed chemical composition of the ejecta is available will increase steadily in the next several years. An alternative way to gain knowledge about the chemical structure of the ejecta is through ...
... 2007; Mazzali et al. 2008; Tanaka et al. 2011). It is to be expected that the set of SNIa for which a detailed chemical composition of the ejecta is available will increase steadily in the next several years. An alternative way to gain knowledge about the chemical structure of the ejecta is through ...
GoldCreation
... all made from long dead stars. Of course, everything around us is also made of star stuff. This even includes rare elements such as gold. This paper discusses the processes of gold formation. Most main sequence stars are in the business of making helium from hydrogen. Other elements can be created t ...
... all made from long dead stars. Of course, everything around us is also made of star stuff. This even includes rare elements such as gold. This paper discusses the processes of gold formation. Most main sequence stars are in the business of making helium from hydrogen. Other elements can be created t ...
Selected topics in Nuclear Astrophysics
... reaction mechanism becomes applicable. In this case the reaction rate can be computed using statistical model using average resonance properties, also called Hauser-Feshbach approach [15, 7]. This approach is also applicable for neutron capture reactions when the reaction Q-value or the level densit ...
... reaction mechanism becomes applicable. In this case the reaction rate can be computed using statistical model using average resonance properties, also called Hauser-Feshbach approach [15, 7]. This approach is also applicable for neutron capture reactions when the reaction Q-value or the level densit ...
3 - Department of Physics and Astronomy : University of Rochester
... and combined with their apparent brightness to yield accurate luminosity measurements. These observations show a spread of luminosity and temperature that agrees very nicely with the expected cooling rate, except that there aren’t any luminosities and temperatures that correspond to ages greater t ...
... and combined with their apparent brightness to yield accurate luminosity measurements. These observations show a spread of luminosity and temperature that agrees very nicely with the expected cooling rate, except that there aren’t any luminosities and temperatures that correspond to ages greater t ...
goes the universe - Physics Department, Princeton University
... To fully appreciate the impact of the Planck measurements, it helps to take a close look at the inflationary models that proponents of inflation are putting forward, warts and all. Inflationary energy is thought to arise from a hypothetical field, called the inflaton, analogous to an electric field ...
... To fully appreciate the impact of the Planck measurements, it helps to take a close look at the inflationary models that proponents of inflation are putting forward, warts and all. Inflationary energy is thought to arise from a hypothetical field, called the inflaton, analogous to an electric field ...
"Pop Goes the Universe", Scientific American - Harvard
... map, scientists told the audience of journalists, confirms a theory that cosmologists have held dear for 35 years: that the universe began with a bang followed by a brief period of hyperaccelerated expansion known as inflation. This expansion smoothed the universe to such an extent that, billions of ...
... map, scientists told the audience of journalists, confirms a theory that cosmologists have held dear for 35 years: that the universe began with a bang followed by a brief period of hyperaccelerated expansion known as inflation. This expansion smoothed the universe to such an extent that, billions of ...
Accuracy of spectroscopy-based radioactive dating of stars
... one determines the photospheric abundance of a pair of elements, of which one is unstable. By means of theoretical modeling of the nucleosynthetic production channels for the two elements, the original abundance of the unstable nucleus can be estimated from the abundance of the stable one. This allo ...
... one determines the photospheric abundance of a pair of elements, of which one is unstable. By means of theoretical modeling of the nucleosynthetic production channels for the two elements, the original abundance of the unstable nucleus can be estimated from the abundance of the stable one. This allo ...
Integrative Studies 410 Our Place in the Universe
... The Missing Mass Problem • Dark Matter is dark at all wavelengths, not just visible light • The Universe as a whole consists of up to 25% of Dark Matter! Strange! • What is it? ...
... The Missing Mass Problem • Dark Matter is dark at all wavelengths, not just visible light • The Universe as a whole consists of up to 25% of Dark Matter! Strange! • What is it? ...
pg. 271 - Cornell University
... of the total oxygen abundance measured by Peña et al. (1995). Almost all important stages of ionization in neon (except Ne iv) and sulfur (except S ii) have been measured. To account for the unobserved stages of ionization, the optical lines at 4729 and 4728 8 (for Ne iv) by Tsamis et al. (2003) an ...
... of the total oxygen abundance measured by Peña et al. (1995). Almost all important stages of ionization in neon (except Ne iv) and sulfur (except S ii) have been measured. To account for the unobserved stages of ionization, the optical lines at 4729 and 4728 8 (for Ne iv) by Tsamis et al. (2003) an ...
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... and energy, as if sliding down the slope. In fact, the equations are similar to those of a ball rolling down a hill of the same shape as the potential energy curve. The inflaton’s potential energy can cause the universe to expand at an accelerated rate. In the process, it can smooth and flatten the ...
... and energy, as if sliding down the slope. In fact, the equations are similar to those of a ball rolling down a hill of the same shape as the potential energy curve. The inflaton’s potential energy can cause the universe to expand at an accelerated rate. In the process, it can smooth and flatten the ...
Oxygen production on the AGB and the relevance of planetary
... • Low to intermediate-mass stars are not theoretically expected to be net producers of oxygen • Except under certain conditions – Late thermal pulses during the post-AGB that mix into the CO core – or do these occur during the AGB too? – Substantial oxygen is produced at low metallicities ...
... • Low to intermediate-mass stars are not theoretically expected to be net producers of oxygen • Except under certain conditions – Late thermal pulses during the post-AGB that mix into the CO core – or do these occur during the AGB too? – Substantial oxygen is produced at low metallicities ...
distance
... All she had were relative measurements of the brightness of Cepheids in the Magellanic Clouds. She inferred that brighter Cepheids in the Clouds must be more luminous, since all the Cepheids in the Clouds are at the same ...
... All she had were relative measurements of the brightness of Cepheids in the Magellanic Clouds. She inferred that brighter Cepheids in the Clouds must be more luminous, since all the Cepheids in the Clouds are at the same ...
First life in primordial-planet oceans: the
... aromatic-hydrocarbons (PAH), strongly indicating that biological processes are commonplace in the Galaxy (Gibson and Wickramasinghe, 2010). The theory of cometary panspermia (Hoyle and Wickramasinghe, 2010) provides the logical mechanism for distribution of the seeds of life, but how are sufficient ...
... aromatic-hydrocarbons (PAH), strongly indicating that biological processes are commonplace in the Galaxy (Gibson and Wickramasinghe, 2010). The theory of cometary panspermia (Hoyle and Wickramasinghe, 2010) provides the logical mechanism for distribution of the seeds of life, but how are sufficient ...
Overview and historical perspective on Cosmology
... protons. D, He, 3He, Li. Depends on number of neutrinos. • 1 year, z = 106.5, photon number fixed, CMB can have BoseEinstein distribution with chemical potential if energy added ...
... protons. D, He, 3He, Li. Depends on number of neutrinos. • 1 year, z = 106.5, photon number fixed, CMB can have BoseEinstein distribution with chemical potential if energy added ...
Galaxies and the Universe
... compare with the lines in Figures 20B and 20C? They have shifted in position. What caused this shift? As you just read, when a star is moving toward Earth, its wavelengths of light are compressed, just as the sound waves from the train’s whistle are. This causes the dark lines in the spectrum to shi ...
... compare with the lines in Figures 20B and 20C? They have shifted in position. What caused this shift? As you just read, when a star is moving toward Earth, its wavelengths of light are compressed, just as the sound waves from the train’s whistle are. This causes the dark lines in the spectrum to shi ...
Misalignment & Nucleosynthesis in Microquasars Yousaf M. Butt , Thomas J. Maccarone
... to, the proposed jet-secondary impacts as the source of the observed Li excess. For instance, as proposed by Guessoum & Kazanas (1999), even for well-aligned microquasars (as well as misaligned ones), it is plausible that surface irradiation of the secondary star by neutrons generated in the accreti ...
... to, the proposed jet-secondary impacts as the source of the observed Li excess. For instance, as proposed by Guessoum & Kazanas (1999), even for well-aligned microquasars (as well as misaligned ones), it is plausible that surface irradiation of the secondary star by neutrons generated in the accreti ...