PSCI 1414 General Astronomy
... When a big planet knocks a small planetesimal inward, the planet itself is kicked slightly outward. Over a few hundred million years, as numerous planetesimals were knocked inward by Saturn, Neptune, and Uranus, these Jovian planets slowly migrated outward to their current locations. Most of the inw ...
... When a big planet knocks a small planetesimal inward, the planet itself is kicked slightly outward. Over a few hundred million years, as numerous planetesimals were knocked inward by Saturn, Neptune, and Uranus, these Jovian planets slowly migrated outward to their current locations. Most of the inw ...
Cosmic Collisions
... scattered in random directions, but gravity acts so gradually that planetary orbits are not disturbed. A collision takes about a billion years; during the last billion years, life on Earth evolved from single-celled organisms to amazingly primative apes who still think digital watches are pretty nea ...
... scattered in random directions, but gravity acts so gradually that planetary orbits are not disturbed. A collision takes about a billion years; during the last billion years, life on Earth evolved from single-celled organisms to amazingly primative apes who still think digital watches are pretty nea ...
Solar System Exploration
... Students will refer to the planetary note page in their booklets as the guiding questions for the presentation. They will watch a presentation using Magic Planet (a digital globe to help students visualize the various planets). The focus will be on space exploration, the Sun & the eight planets of t ...
... Students will refer to the planetary note page in their booklets as the guiding questions for the presentation. They will watch a presentation using Magic Planet (a digital globe to help students visualize the various planets). The focus will be on space exploration, the Sun & the eight planets of t ...
Earth in space and time
... • Differentiation of this world developed compositional zones – Central core: dense and hot • Composed of nickel (Ni) and iron (Fe) – Mantle: thick zone that surrounds the core • Composed of ultramafic and mafic rocks and magma • Heat from core escapes by convective circulation – Crust: chemically d ...
... • Differentiation of this world developed compositional zones – Central core: dense and hot • Composed of nickel (Ni) and iron (Fe) – Mantle: thick zone that surrounds the core • Composed of ultramafic and mafic rocks and magma • Heat from core escapes by convective circulation – Crust: chemically d ...
Coronal Mass Ejections and Angular Momentum Loss in Young Stars
... It is remarkable that the post-flare loop masses even lie near the extrapolated solar CME mass/flare energy relationship, several orders of magnitude away in parameter space. In Fig. 1, we have also shown representative ranges of X-ray flare energy and prominence mass for two K dwarfs intermediate i ...
... It is remarkable that the post-flare loop masses even lie near the extrapolated solar CME mass/flare energy relationship, several orders of magnitude away in parameter space. In Fig. 1, we have also shown representative ranges of X-ray flare energy and prominence mass for two K dwarfs intermediate i ...
8th Grade in Review
... 39. In an exothermic reaction, _____________. Example? 40. Why does an exothermic reaction require activation energy? 41. A change of state is a physical change because 42. Name three changes of state. 43. The parts of a mixture can be separated by 44. Describe how you can identify a bas ...
... 39. In an exothermic reaction, _____________. Example? 40. Why does an exothermic reaction require activation energy? 41. A change of state is a physical change because 42. Name three changes of state. 43. The parts of a mixture can be separated by 44. Describe how you can identify a bas ...
Interpretations of Solar System Phenomena according to the
... It is clear that the angular momentum problem, the apparent Alfven-Hoyle solution notwithstanding, is a false problem from the perspective of the transformation hypothesis. This problem only arose because of the belief that the Sun and the planets constitute a primordial system sharing a common orig ...
... It is clear that the angular momentum problem, the apparent Alfven-Hoyle solution notwithstanding, is a false problem from the perspective of the transformation hypothesis. This problem only arose because of the belief that the Sun and the planets constitute a primordial system sharing a common orig ...
Astronomy
... Describe the position and motion of our solar system in our galaxy and the overall scale, structure, and age of the universe. E5.1b Describe how the Big Bang theory accounts for the formation of the universe. E5.1c Explain how observations of the cosmic background radiation have helped determine the ...
... Describe the position and motion of our solar system in our galaxy and the overall scale, structure, and age of the universe. E5.1b Describe how the Big Bang theory accounts for the formation of the universe. E5.1c Explain how observations of the cosmic background radiation have helped determine the ...
Devil physics The baddest class on campus IB Physics
... forced into the same quantum state Pauli exclusion principle says they will acquire large kinetic energy which allows the star to resist gravitational pressure to collapse ...
... forced into the same quantum state Pauli exclusion principle says they will acquire large kinetic energy which allows the star to resist gravitational pressure to collapse ...
UT 3.4 - Homeschool Academy
... gravitational force than the terrestrial planets. This prevents their gases from escaping, so they have thick atmospheres. All of the giants have many moons and are surrounded by a set of rings. A ring is a thin disk of small particles of ice and rock. Jupiter is the largest and most massive planet. ...
... gravitational force than the terrestrial planets. This prevents their gases from escaping, so they have thick atmospheres. All of the giants have many moons and are surrounded by a set of rings. A ring is a thin disk of small particles of ice and rock. Jupiter is the largest and most massive planet. ...
New Suns in the Cosmos?
... large number of previous studies. Indeed, quoting Gustafsson (2008), Is the Sun unique as a star – and, if so, why? The question of the normality of the Sun has known a large upsurge along the past 15 years, with the discovery of many extra-solar planetary systems, demonstrating that the Sun is not ...
... large number of previous studies. Indeed, quoting Gustafsson (2008), Is the Sun unique as a star – and, if so, why? The question of the normality of the Sun has known a large upsurge along the past 15 years, with the discovery of many extra-solar planetary systems, demonstrating that the Sun is not ...
Dynamics of neutrino-driven winds: inclusion of accurate weak
... The results of the electron chemical potentials as a function of density at different temperatures and MFs are shown in Figure 1. The MF strengths considered were 0, 1013 , 1014 and 1015 G. Compared to that without an MF, there are obvious changes of the electron chemical potentials for the MF B = 1 ...
... The results of the electron chemical potentials as a function of density at different temperatures and MFs are shown in Figure 1. The MF strengths considered were 0, 1013 , 1014 and 1015 G. Compared to that without an MF, there are obvious changes of the electron chemical potentials for the MF B = 1 ...
Announcements
... At low pressure (low temperature and density): Electromagnetic force takes over → repulsion At high pressure (high speeds and density): particles get close enough together for the “velcro” effect of the strong nuclear force to win. Particles with same change can stick together → fusion ...
... At low pressure (low temperature and density): Electromagnetic force takes over → repulsion At high pressure (high speeds and density): particles get close enough together for the “velcro” effect of the strong nuclear force to win. Particles with same change can stick together → fusion ...
Dog - World Book
... temperature of the solar surface is about 5800 K. Temperatures in the sun's core reach over 15 million K. The energy of the sun comes from nuclear fusion reactions that occur deep inside the sun's core. In a fusion reaction, two atomic nuclei join together, creating a new nucleus. Fusion produces en ...
... temperature of the solar surface is about 5800 K. Temperatures in the sun's core reach over 15 million K. The energy of the sun comes from nuclear fusion reactions that occur deep inside the sun's core. In a fusion reaction, two atomic nuclei join together, creating a new nucleus. Fusion produces en ...
3OriginoftheUniverseandSS
... • Considered to be a “revised” Big Bang theory • The universe expanded and cooled until about 10-35 second after the big bang when it became so cool that the forces of nature caused the universe to inflate tremendously. • Also works with the concept of a Multiverse--our observable universe is just o ...
... • Considered to be a “revised” Big Bang theory • The universe expanded and cooled until about 10-35 second after the big bang when it became so cool that the forces of nature caused the universe to inflate tremendously. • Also works with the concept of a Multiverse--our observable universe is just o ...
here
... 1: Red dwarf (e.g., an M star) implies low-mass. Low-metallicity implies Pop II. Perpendicular through the disk implies not a disk-like orbit. Thus, this is likely an old, Pop II star from the stellar halo of the Milky Way. 2: Before Big Bang Nucleosynthesis, the universe was too hot for nuclei like ...
... 1: Red dwarf (e.g., an M star) implies low-mass. Low-metallicity implies Pop II. Perpendicular through the disk implies not a disk-like orbit. Thus, this is likely an old, Pop II star from the stellar halo of the Milky Way. 2: Before Big Bang Nucleosynthesis, the universe was too hot for nuclei like ...
The Stars education kit - Student activities 5-10
... fusion ends. The star begins to contract gravitationally, causing the pressure and temperature inside the star’s core to rise. Heat generated by the collapsing core spreads to the inner layers of the star. Hydrogen in the inner layers then becomes hot enough to fuse into helium and nuclear fusion re ...
... fusion ends. The star begins to contract gravitationally, causing the pressure and temperature inside the star’s core to rise. Heat generated by the collapsing core spreads to the inner layers of the star. Hydrogen in the inner layers then becomes hot enough to fuse into helium and nuclear fusion re ...
