Great Galaxies 5 - School Performance Tours
... Fill in the spaces in the sentences below. In the show Great Galaxy, Jared explained that earth is in the _________________ Galaxy. Our galaxy is not the only galaxy out there. Most scientists believe there are _____________ of galaxies in the universe. In our solar system there are _____________ pl ...
... Fill in the spaces in the sentences below. In the show Great Galaxy, Jared explained that earth is in the _________________ Galaxy. Our galaxy is not the only galaxy out there. Most scientists believe there are _____________ of galaxies in the universe. In our solar system there are _____________ pl ...
Are planetary systems flat?
... – it is astonishing to see all the planets move around the Sun from west to east, and almost in the same plane; all the satellites move around their planets in the same direction and nearly in the same plane as the planets; finally, the Sun, the planets, and all the satellites that have been observe ...
... – it is astonishing to see all the planets move around the Sun from west to east, and almost in the same plane; all the satellites move around their planets in the same direction and nearly in the same plane as the planets; finally, the Sun, the planets, and all the satellites that have been observe ...
Stellar Physics
... temperature, mass, luminosity and apparent brightness. Although temperature has been met at Higher, a possible introduction to students could be through a demonstration on apparent brightness. This is how bright we perceive a star when viewed from Earth. For example, imagine you are a rabbit crossin ...
... temperature, mass, luminosity and apparent brightness. Although temperature has been met at Higher, a possible introduction to students could be through a demonstration on apparent brightness. This is how bright we perceive a star when viewed from Earth. For example, imagine you are a rabbit crossin ...
AAS/AAPT meeting consolidated synopses by Richard Berry PDF
... Terrestrial Planet Finder Survey Project. (Anne Kinney, NASA-HST) The TPF survey will look at 150 F, G, and K class stars to search for Earth-like planets and clues to origins of life. Extra-Solar Planets. (Geoff Marcy) Data indicates about 7 percent of stars have planets; so far over 50 systems, mo ...
... Terrestrial Planet Finder Survey Project. (Anne Kinney, NASA-HST) The TPF survey will look at 150 F, G, and K class stars to search for Earth-like planets and clues to origins of life. Extra-Solar Planets. (Geoff Marcy) Data indicates about 7 percent of stars have planets; so far over 50 systems, mo ...
First Stars II
... The 3D calculation has reached n~1012cm-3 (radiative transfer needed for higher density; cf. n~1022cm-3 for protostars) Overall evolution is similar to the 1D calculation. The collapse velocity is slower. (why? the effect of rotation, initial condition, turbulence) ...
... The 3D calculation has reached n~1012cm-3 (radiative transfer needed for higher density; cf. n~1022cm-3 for protostars) Overall evolution is similar to the 1D calculation. The collapse velocity is slower. (why? the effect of rotation, initial condition, turbulence) ...
printer-friendly version of benchmark
... 2. Students have a misconception that nighttime visible stars are located within our solar system. Such a notion has been considered since the times of the ancient Greeks. Aristotle proposed a geocentric model of the solar system with Earth at the center. Crystalline spheres surrounded Earth. Each o ...
... 2. Students have a misconception that nighttime visible stars are located within our solar system. Such a notion has been considered since the times of the ancient Greeks. Aristotle proposed a geocentric model of the solar system with Earth at the center. Crystalline spheres surrounded Earth. Each o ...
Jura et al. 2004 - Department of Physics and Astronomy
... 0.06 M⊕ . The summed mass of the KBOs in the Solar System is uncertain and is currently estimated to be between 0.02 M⊕ and 0.1 M⊕ (Bernstein et al. 2003; Luu & Jewitt 2002). Typical analogs of the Kuiper Belt may have total masses ≤ 0.1 M⊕ (Jura 2004). Since we observed stars with notable infrared ...
... 0.06 M⊕ . The summed mass of the KBOs in the Solar System is uncertain and is currently estimated to be between 0.02 M⊕ and 0.1 M⊕ (Bernstein et al. 2003; Luu & Jewitt 2002). Typical analogs of the Kuiper Belt may have total masses ≤ 0.1 M⊕ (Jura 2004). Since we observed stars with notable infrared ...
June, 2001 AAS poster - David P. Bennett
... probability that the event will pass our time sampling criteria decreases quite sharply as indicated in our “# of detected planets” plot (on page 7). For planets in the 10-100 M⊕ range, there are very few planetary lensing events which have a light curve deviation short enough to be covered from a s ...
... probability that the event will pass our time sampling criteria decreases quite sharply as indicated in our “# of detected planets” plot (on page 7). For planets in the 10-100 M⊕ range, there are very few planetary lensing events which have a light curve deviation short enough to be covered from a s ...
here
... especially Jupiter, is close to that of the Sun. • The internal structures of these planets is completely different from that of the Earth. In particular, there is no hard surface. • These planets are relatively far from the Sun (more than 5 times the Earth-Sun distance), so heating by the Sun is no ...
... especially Jupiter, is close to that of the Sun. • The internal structures of these planets is completely different from that of the Earth. In particular, there is no hard surface. • These planets are relatively far from the Sun (more than 5 times the Earth-Sun distance), so heating by the Sun is no ...
Chapter 8 Formation of Stars
... • Observation of many hot O and B spectral class stars in and near nebulae is a rather strong indicator that stars are being born there. • These stars are so luminous that they must consume their nuclear fuel at a prodigious rate. • Their time on the main sequence is probably only a million years or ...
... • Observation of many hot O and B spectral class stars in and near nebulae is a rather strong indicator that stars are being born there. • These stars are so luminous that they must consume their nuclear fuel at a prodigious rate. • Their time on the main sequence is probably only a million years or ...
Research Essay “On the Origin of the Solar System”
... allowed us to peek below Venus’s highly reflective atmosphere.14 An issue with the Nebular Hypothesis is that 99.9 percent of the mass of the Solar System (just about all of it) is in the Sun. Diagrams showing planetary orbits often misleadingly suggest distribution is quit different; the very thick ...
... allowed us to peek below Venus’s highly reflective atmosphere.14 An issue with the Nebular Hypothesis is that 99.9 percent of the mass of the Solar System (just about all of it) is in the Sun. Diagrams showing planetary orbits often misleadingly suggest distribution is quit different; the very thick ...
Chapter 7 Formation of Stars
... • Observation of many hot O and B spectral class stars in and near nebulae is a rather strong indicator that stars are being born there. • These stars are so luminous that they must consume their nuclear fuel at a prodigious rate. • Their time on the main sequence is probably only a million years or ...
... • Observation of many hot O and B spectral class stars in and near nebulae is a rather strong indicator that stars are being born there. • These stars are so luminous that they must consume their nuclear fuel at a prodigious rate. • Their time on the main sequence is probably only a million years or ...
02b_geometricoptics_14inch_lpc
... The overall magnification of the angular size is given by the ratio of the focal lengths ...
... The overall magnification of the angular size is given by the ratio of the focal lengths ...
Analemma - Stony Brook University
... Most are of Arabic origin •Aldebaran: The Follower (rises after the Pleiades) •Algol: The Ghoul (the demon star) •Antares: Rival of Ares (Mars) •Betelgeuse: Armpit of the central one (Orion) •Fomalhaut: Mouth of the Southern Fish •Rigel: left leg (of Orion) ...
... Most are of Arabic origin •Aldebaran: The Follower (rises after the Pleiades) •Algol: The Ghoul (the demon star) •Antares: Rival of Ares (Mars) •Betelgeuse: Armpit of the central one (Orion) •Fomalhaut: Mouth of the Southern Fish •Rigel: left leg (of Orion) ...
Introduction to Stars: Their Properties
... Describe the methods used to determine the temperature, luminosity, and radius of a star. ...
... Describe the methods used to determine the temperature, luminosity, and radius of a star. ...
ES Chapter 30
... – A binary star is two stars that are gravitationally bound together and that orbit a common center of mass. – More than half of the stars in the sky are either binary stars or members of multiple-star systems. – Astronomers are able to identify binary stars through several methods. • Accurate measu ...
... – A binary star is two stars that are gravitationally bound together and that orbit a common center of mass. – More than half of the stars in the sky are either binary stars or members of multiple-star systems. – Astronomers are able to identify binary stars through several methods. • Accurate measu ...
PHYS3380_110215_bw - The University of Texas at Dallas
... •In stars more than 1.3 times the mass of the Sun, the nuclear fusion of hydrogen into helium occurs via CNO cycle instead of the proton-proton chain. The CNO process is very temperature sensitive, so the core is very hot but the temperature falls off rapidly. Therefore, the core region forms a conv ...
... •In stars more than 1.3 times the mass of the Sun, the nuclear fusion of hydrogen into helium occurs via CNO cycle instead of the proton-proton chain. The CNO process is very temperature sensitive, so the core is very hot but the temperature falls off rapidly. Therefore, the core region forms a conv ...
Powerpoint - UIUC HEP Group
... The angular resolution (with adaptive optics) will be about 10-3 arcsecond: • About 1 cm when looking from NYC to LA. • About 100,000 km when looking at nearby human stars. That’s good enough to image large planets (super-Jupiters) and study planetary atmospheres. ...
... The angular resolution (with adaptive optics) will be about 10-3 arcsecond: • About 1 cm when looking from NYC to LA. • About 100,000 km when looking at nearby human stars. That’s good enough to image large planets (super-Jupiters) and study planetary atmospheres. ...