Revealing Galactic Scale Bars with the help of Galaxy Zoo
... We use visual classifications of the brightest 250,000 galaxies in the Sloan Digital Sky Survey Main Galaxy Sample provided by citizen scientists via the Galaxy Zoo project (www.galaxyzoo.org, Lintott et al. 2008) to identify a sample of local disc galaxies with reliable bar identifications. These d ...
... We use visual classifications of the brightest 250,000 galaxies in the Sloan Digital Sky Survey Main Galaxy Sample provided by citizen scientists via the Galaxy Zoo project (www.galaxyzoo.org, Lintott et al. 2008) to identify a sample of local disc galaxies with reliable bar identifications. These d ...
PH607lec11
... nearly all positive with values up to several hundred km/s - later to be determined to be due to the expansion of the Universe. Curtis believed that the spiral nebulae are galaxies like our own lying at distances ranging from 150 kpc (M31) to 3000 kpc for the most distant systems. Shapley believed t ...
... nearly all positive with values up to several hundred km/s - later to be determined to be due to the expansion of the Universe. Curtis believed that the spiral nebulae are galaxies like our own lying at distances ranging from 150 kpc (M31) to 3000 kpc for the most distant systems. Shapley believed t ...
Watching Galaxies Form Near the Beginning of Time
... Evidence for global winds escaping systems Exist in groupings with bright galaxies/AGN Are these the early units predicted by hierarchical schemes (and fitting dark-matter ...
... Evidence for global winds escaping systems Exist in groupings with bright galaxies/AGN Are these the early units predicted by hierarchical schemes (and fitting dark-matter ...
Steven R. Majewski - UCLA Physics & Astronomy
... • ~ 10 as for satellites at ~250 kpc (Leo I, II, CanVen) for V ~ 19.5 giant stars (SIM only) • ~ 20 as for satellites at ~100 kpc (UMi, Dra, Car, …) for V ~ 17.5 giant stars (SIM or Gaia many star average) • Gaia cannot play this game for many of the ...
... • ~ 10 as for satellites at ~250 kpc (Leo I, II, CanVen) for V ~ 19.5 giant stars (SIM only) • ~ 20 as for satellites at ~100 kpc (UMi, Dra, Car, …) for V ~ 17.5 giant stars (SIM or Gaia many star average) • Gaia cannot play this game for many of the ...
NS2-M3C17_-_The_Stars_Exam
... The position and temperature of other nearby stars in the universe. Thermonuclear fusion products drawn from other stars. Gravitational attraction of nearby stars. Amount of gases and cosmic dust which it gathers in formative stages. ...
... The position and temperature of other nearby stars in the universe. Thermonuclear fusion products drawn from other stars. Gravitational attraction of nearby stars. Amount of gases and cosmic dust which it gathers in formative stages. ...
Evidence of the Big Bang and Structure of the Universe
... A) Galaxy B is moving away from Earth, but galaxies A and C are moving toward Earth. B) Galaxy A is moving away from Earth, but galaxies B and C are moving toward Earth. C) Galaxies A, B, and C are all moving away from Earth. D) Galaxies A, B, and C are all moving toward Earth. ...
... A) Galaxy B is moving away from Earth, but galaxies A and C are moving toward Earth. B) Galaxy A is moving away from Earth, but galaxies B and C are moving toward Earth. C) Galaxies A, B, and C are all moving away from Earth. D) Galaxies A, B, and C are all moving toward Earth. ...
MAUI STARGAZING MAY OBSERVING LIST DEEP SPACE
... The Universe is comprised of one trillion Galaxies. Each galaxy contains up to hundreds of billion stars. THE MILKY WAY Our own galaxy, the Milky Way, formed 12.5 billion years ago, is estimated to contain 100 to 400 billion stars and be 100,000-180,000 light years across. GALAXIES Galaxies are the ...
... The Universe is comprised of one trillion Galaxies. Each galaxy contains up to hundreds of billion stars. THE MILKY WAY Our own galaxy, the Milky Way, formed 12.5 billion years ago, is estimated to contain 100 to 400 billion stars and be 100,000-180,000 light years across. GALAXIES Galaxies are the ...
6. Molecules other than CO, high density tracers
... important tracer of non-ionising radiation In Arp 220 CI is strong, as predicted from its FIR flux, while CII emission is depleted This could be due to higher density, optical thickness of the C+ line ...
... important tracer of non-ionising radiation In Arp 220 CI is strong, as predicted from its FIR flux, while CII emission is depleted This could be due to higher density, optical thickness of the C+ line ...
Formation of spiral and elliptical galaxies in a CDM cosmogony
... The attening of the halo (axial ratio 2:3) is too high to be a result of its rotation, i.e., it must be caused by the anisotropic velocity dispersion, while the attening of the bulge (axial ratio 1:1.3) is at least partially due to its rotation (v= 1). These results support the idea that disk ...
... The attening of the halo (axial ratio 2:3) is too high to be a result of its rotation, i.e., it must be caused by the anisotropic velocity dispersion, while the attening of the bulge (axial ratio 1:1.3) is at least partially due to its rotation (v= 1). These results support the idea that disk ...
Observing the Universe from the Classroom
... “While looking at the galaxy cluster Abell 2667, astronomers found an odd-looking spiral galaxy that ploughs through a galaxy cluster at a speed of more thsn 3.5 million km/h, to which it was accelerated by the cluster’s huge gravitational field.” ...
... “While looking at the galaxy cluster Abell 2667, astronomers found an odd-looking spiral galaxy that ploughs through a galaxy cluster at a speed of more thsn 3.5 million km/h, to which it was accelerated by the cluster’s huge gravitational field.” ...
FSA school wide Science Olympiad 12/8/2007
... navigator Ferdinand Magellan and his crew "discovered" 2 irregularlyshaped objects, which were cloud-like in appearance, in the night-sky of the Southern Hemisphere. These later came to be known as the 2 "Magellanic Clouds", the larger and the smaller being called "Large Magellanic Cloud" (LMC) and ...
... navigator Ferdinand Magellan and his crew "discovered" 2 irregularlyshaped objects, which were cloud-like in appearance, in the night-sky of the Southern Hemisphere. These later came to be known as the 2 "Magellanic Clouds", the larger and the smaller being called "Large Magellanic Cloud" (LMC) and ...
Galaxies - Where Science Meets Life
... brightness of stars on a graph. Two years later, an American astronomer named Henry Norris Russell created similar graphs. Their research was combined to form what is now called the Hertzsprung-Russell diagram, or HR diagram. ...
... brightness of stars on a graph. Two years later, an American astronomer named Henry Norris Russell created similar graphs. Their research was combined to form what is now called the Hertzsprung-Russell diagram, or HR diagram. ...
Galaxies and Stars
... Galaxy – a large system of stars held together by the same gravitational pull and separated from other large systems. ...
... Galaxy – a large system of stars held together by the same gravitational pull and separated from other large systems. ...
Uniqueness of the Earth, Lebo, 7-30
... was thrown out of planetary system) there would be no energy source. Must be a G-type star: If hotter, UV would extinguish life: If cooler, would have to be so close that tidal effects of the star on the planet would slow the planet’s rotation. ...
... was thrown out of planetary system) there would be no energy source. Must be a G-type star: If hotter, UV would extinguish life: If cooler, would have to be so close that tidal effects of the star on the planet would slow the planet’s rotation. ...
Lecture notes 17: Active Galaxies
... is moving away from it with a velocity wS = 7 km/s. The z component of the gravitational acceleration vector is directed toward the mid-plane so the Sun’s peculiar velocity must be decreasing. Eventually the direction of motion will reverse and the Sun will pass through the mid-plane heading in the ...
... is moving away from it with a velocity wS = 7 km/s. The z component of the gravitational acceleration vector is directed toward the mid-plane so the Sun’s peculiar velocity must be decreasing. Eventually the direction of motion will reverse and the Sun will pass through the mid-plane heading in the ...
Uniqueness of the Earth, Lebo, 7-30
... was thrown out of planetary system) there would be no energy source. Must be a G-type star: If hotter, UV would extinguish life: If cooler, would have to be so close that tidal effects of the star on the planet would slow the planet’s rotation. ...
... was thrown out of planetary system) there would be no energy source. Must be a G-type star: If hotter, UV would extinguish life: If cooler, would have to be so close that tidal effects of the star on the planet would slow the planet’s rotation. ...
Document
... The Milky Way Galaxy is a giant disk of stars 160,000 light-years across and 1,000 light-years thick. The Sun is located at the edge of a spiral arm, 30,000 light-years from the center It takes 250 Million years for the Sun to complete one orbit ...
... The Milky Way Galaxy is a giant disk of stars 160,000 light-years across and 1,000 light-years thick. The Sun is located at the edge of a spiral arm, 30,000 light-years from the center It takes 250 Million years for the Sun to complete one orbit ...
First Light: Physical Characterization of Early Star Formation in the
... observations with HST and ACS indicate that M31’s halo is composed by more than half of intermediate-age (6-8 Gyr) stars, challenging the conventional wisdom that halos are exclusively old8. A natural explanation for the intermediate age and metallicity of both the M31 and Cen A halos is late mergin ...
... observations with HST and ACS indicate that M31’s halo is composed by more than half of intermediate-age (6-8 Gyr) stars, challenging the conventional wisdom that halos are exclusively old8. A natural explanation for the intermediate age and metallicity of both the M31 and Cen A halos is late mergin ...
Integrative Studies 410 Our Place in the Universe
... – Solar System: the orbital velocities of planets determined by mass of Sun – Galaxy: orbital velocities of stars are determined by total mass of the galaxy contained within that star’s orbit ...
... – Solar System: the orbital velocities of planets determined by mass of Sun – Galaxy: orbital velocities of stars are determined by total mass of the galaxy contained within that star’s orbit ...
Our Universe (ES1-E) I know that our Sun is one of hundreds of
... around 30 galaxies called the _________ _________ galaxy cluster. • The largest galaxies in the Local Group are the Milky Way and the ____________ galaxy • The Andromeda galaxy is one of the __________ spiral galaxies known. It is 2.4 million light years away. ...
... around 30 galaxies called the _________ _________ galaxy cluster. • The largest galaxies in the Local Group are the Milky Way and the ____________ galaxy • The Andromeda galaxy is one of the __________ spiral galaxies known. It is 2.4 million light years away. ...
1. The distances to the most remote galaxies can be
... the disc of gas and dust surrounding a young star that will soon form a solar system. the ejected envelope of a red giant star surrounding a stellar core remnant. a type of young, medium mass star. a planet surrounded by a cool shell of molecular gas. ...
... the disc of gas and dust surrounding a young star that will soon form a solar system. the ejected envelope of a red giant star surrounding a stellar core remnant. a type of young, medium mass star. a planet surrounded by a cool shell of molecular gas. ...
Our Sun - STEMpire Central
... What is hydrostatic equilibrium, and why does this explain why larger stars have shorter lifespans than smaller stars? ...
... What is hydrostatic equilibrium, and why does this explain why larger stars have shorter lifespans than smaller stars? ...
