3.1 Radio Astronomy Research Results For much of PY 2010, radio
... AGES Virgo cluster data, and is taking up a post-doctoral position at Arecibo. An NSF REU student, Tim Taber, will present his work on UGC2082 at the winter AAS. An AGES objective is to investigate the number of low mass gas rich dwarf galaxies that reside around isolated galaxies and within galaxy ...
... AGES Virgo cluster data, and is taking up a post-doctoral position at Arecibo. An NSF REU student, Tim Taber, will present his work on UGC2082 at the winter AAS. An AGES objective is to investigate the number of low mass gas rich dwarf galaxies that reside around isolated galaxies and within galaxy ...
Solutions
... 1. In class, I told you that if the Sun were a grain of sand and Proxima Centauri (the closest star to the Sun) were another grain of sand, they would be something 20 miles apart. Create a similar analogy for the Milky Way and Andromeda galaxies, only using frisbees or dinner plates to represent the ...
... 1. In class, I told you that if the Sun were a grain of sand and Proxima Centauri (the closest star to the Sun) were another grain of sand, they would be something 20 miles apart. Create a similar analogy for the Milky Way and Andromeda galaxies, only using frisbees or dinner plates to represent the ...
Two Dissipating Exoplanet Atmospheres Taken from: Hubble
... Before astronauts installed COS in Hubble, astronomers first used the Space Telescope Imaging Spectrograph (STIS) to observe HD 209458b in 2003. The STIS data also showed an active, evaporating atmosphere, which the team envisioned as a comet-like tail. However, STIS was unable to achieve the spectr ...
... Before astronauts installed COS in Hubble, astronomers first used the Space Telescope Imaging Spectrograph (STIS) to observe HD 209458b in 2003. The STIS data also showed an active, evaporating atmosphere, which the team envisioned as a comet-like tail. However, STIS was unable to achieve the spectr ...
Reflecting telescopes - School
... sources is greater than λ/d the two sources can be resolved (we can see them as two separate sources). Where d is the diameter of the aperture and λ is the wavelength of the ...
... sources is greater than λ/d the two sources can be resolved (we can see them as two separate sources). Where d is the diameter of the aperture and λ is the wavelength of the ...
Apparent magnitude
... blue light is scattered and absorbed more than red (amount of extinction is larger for shorter λ) the light of distant stars is redder than would be expected on the basis of their spetral class ...
... blue light is scattered and absorbed more than red (amount of extinction is larger for shorter λ) the light of distant stars is redder than would be expected on the basis of their spetral class ...
Patterns in the Sky - Madison Public Schools
... What does the universe look like from Earth? Why do stars rise and set? Why do the constellations we see depend on latitude and time of year? ...
... What does the universe look like from Earth? Why do stars rise and set? Why do the constellations we see depend on latitude and time of year? ...
Gravity - Indiana University Astronomy
... Discuss with a partner what assumptions might be reasonable for scientists to make about the Universe. List three or four. For each describe why this is a reasonable assumption for our universe, and what the assumptions might imply for the origin, evolution, or structure of our universe. a) ...
... Discuss with a partner what assumptions might be reasonable for scientists to make about the Universe. List three or four. For each describe why this is a reasonable assumption for our universe, and what the assumptions might imply for the origin, evolution, or structure of our universe. a) ...
Prime Focus - Tri-City Astronomy Club
... and background stars plus a planet. But due to the blurring effects of our atmosphere, a number of unrelated stars are also blended with the foreground and background stars in the very crowded star field in the direction of our galaxy's center. The sharp Hubble and Keck Observatory images allowed th ...
... and background stars plus a planet. But due to the blurring effects of our atmosphere, a number of unrelated stars are also blended with the foreground and background stars in the very crowded star field in the direction of our galaxy's center. The sharp Hubble and Keck Observatory images allowed th ...
Astrophysics notes - School
... sources is greater than λ/d the two sources can be resolved (we can see them as two separate sources). Where d is the diameter of the aperture and λ is the wavelength of the ...
... sources is greater than λ/d the two sources can be resolved (we can see them as two separate sources). Where d is the diameter of the aperture and λ is the wavelength of the ...
SHELL H II REGIONS IN NGC 6334
... Why can we do better than astrometric satellites for this type of stars? ...
... Why can we do better than astrometric satellites for this type of stars? ...
Lecture 25&26
... The dark circle would expand toward the bright edge of the Sun and, 2 seconds later, all would be dark The 2 second delay happens because the center of the Sun is closer to us than the edges by about 2 ...
... The dark circle would expand toward the bright edge of the Sun and, 2 seconds later, all would be dark The 2 second delay happens because the center of the Sun is closer to us than the edges by about 2 ...
Astrophysics
... describe the properties of stars: luminosity, radius and mass, temperature and spectral type; use the Hertzsprung-Russell diagram to describe types of stars, their evolution and death; explain fusion as the energy source of a star; compare the Milky Way galaxy to other galaxies; describe characteris ...
... describe the properties of stars: luminosity, radius and mass, temperature and spectral type; use the Hertzsprung-Russell diagram to describe types of stars, their evolution and death; explain fusion as the energy source of a star; compare the Milky Way galaxy to other galaxies; describe characteris ...
practice exam - UW-Madison Astronomy
... d) no, the atmosphere is opaque at radio wavelengths e) yes, because the Earth’s atmosphere converts radio waves into optical 3. The wavelength is: a) the amplitude of the radiation. b) the rate at which the atoms are oscillating. c) smaller than 1cm for all types of radiation. d) the distance betwe ...
... d) no, the atmosphere is opaque at radio wavelengths e) yes, because the Earth’s atmosphere converts radio waves into optical 3. The wavelength is: a) the amplitude of the radiation. b) the rate at which the atoms are oscillating. c) smaller than 1cm for all types of radiation. d) the distance betwe ...
Life_Cycle_of_a_Star_Powerpoint
... Cover of booklet – slide 9 Page 1 of booklet – slide 10 Page 2 of booklet – slide 11 Page 3 of booklet (divide in half) – slides 12 and 13. Page 4 of booklet (divide in three) – title is “Main Sequence Period”, slide 15 goes in the first section, slide 16 goes in the second section, slide 17 goes in ...
... Cover of booklet – slide 9 Page 1 of booklet – slide 10 Page 2 of booklet – slide 11 Page 3 of booklet (divide in half) – slides 12 and 13. Page 4 of booklet (divide in three) – title is “Main Sequence Period”, slide 15 goes in the first section, slide 16 goes in the second section, slide 17 goes in ...
Bellringer - Madison County Schools
... • This tiny universe was incredibly hot and dense. • This universe then exploded in what scientists call the big bang. ...
... • This tiny universe was incredibly hot and dense. • This universe then exploded in what scientists call the big bang. ...
ALFALFA H-alpha: The Star-Formation-Rate Density
... surveys underestimate dwarf and other galaxies of low-surface-brightness; yet such galaxies contain approximately one-third of all the HI gas (neutral hydrogen gas) of the Universe and thus significantly contribute to star formation. Dwarfs and other low-surface-brightness galaxies are not detected ...
... surveys underestimate dwarf and other galaxies of low-surface-brightness; yet such galaxies contain approximately one-third of all the HI gas (neutral hydrogen gas) of the Universe and thus significantly contribute to star formation. Dwarfs and other low-surface-brightness galaxies are not detected ...
The Evolution of Galaxy - Tufts Institute of Cosmology
... cluster contains stars and galaxies of every age and type, it represents an average sample of cosmic material—including the dark matter that choreographs the movements of celestial objects yet The Evolution of Galaxy Clusters ...
... cluster contains stars and galaxies of every age and type, it represents an average sample of cosmic material—including the dark matter that choreographs the movements of celestial objects yet The Evolution of Galaxy Clusters ...
PHYSICS 1500 - The University of Sydney
... + 2.3 for l Carinae. Which of the following statements most accurately describes the brightness of l Carinae? (a) (b) (c) (d) (e) ...
... + 2.3 for l Carinae. Which of the following statements most accurately describes the brightness of l Carinae? (a) (b) (c) (d) (e) ...
High Resolution Imaging of Satellites with Ground-Based
... correction will suffer from a cone effect (Foy & Labeyrie 1985). Since these objects are at higher altitude compared to a sodium laser guide stars (Thompson & Gardner 1987) (400 km instead of 70 km altitude), the effect will be less severe. Off-axis PSF for 400 km satellites are thus produced by pro ...
... correction will suffer from a cone effect (Foy & Labeyrie 1985). Since these objects are at higher altitude compared to a sodium laser guide stars (Thompson & Gardner 1987) (400 km instead of 70 km altitude), the effect will be less severe. Off-axis PSF for 400 km satellites are thus produced by pro ...
Astronomy - Bemidji State University
... Making the far near The invention that set the stage for the telescope was the eyeglass, which appeared in the mid-13th century. The first spectacles, designed to correct farsightedness, bore glass magnifiers that were biconvex, meaning they curved outward on both sides. (Each resembled a lentil, or ...
... Making the far near The invention that set the stage for the telescope was the eyeglass, which appeared in the mid-13th century. The first spectacles, designed to correct farsightedness, bore glass magnifiers that were biconvex, meaning they curved outward on both sides. (Each resembled a lentil, or ...
distance
... We see distant galaxies as young galaxies: looking back in time to learn what galaxies were like when they were young. ...
... We see distant galaxies as young galaxies: looking back in time to learn what galaxies were like when they were young. ...
Hubble Deep Field
The Hubble Deep Field (HDF) is an image of a small region in the constellation Ursa Major, constructed from a series of observations by the Hubble Space Telescope. It covers an area 2.5 arcminutes across, about one 24-millionth of the whole sky, which is equivalent in angular size to a 65 mm tennis ball at a distance of 100 metres. The image was assembled from 342 separate exposures taken with the Space Telescope's Wide Field and Planetary Camera 2 over ten consecutive days between December 18 and December 28, 1995.The field is so small that only a few foreground stars in the Milky Way lie within it; thus, almost all of the 3,000 objects in the image are galaxies, some of which are among the youngest and most distant known. By revealing such large numbers of very young galaxies, the HDF has become a landmark image in the study of the early universe, with the associated scientific paper having received over 900 citations by the end of 2014.Three years after the HDF observations were taken, a region in the south celestial hemisphere was imaged in a similar way and named the Hubble Deep Field South. The similarities between the two regions strengthened the belief that the universe is uniform over large scales and that the Earth occupies a typical region in the Universe (the cosmological principle). A wider but shallower survey was also made as part of the Great Observatories Origins Deep Survey. In 2004 a deeper image, known as the Hubble Ultra-Deep Field (HUDF), was constructed from a few months of light exposure. The HUDF image was at the time the most sensitive astronomical image ever made at visible wavelengths, and it remained so until the Hubble Extreme Deep Field (XDF) was released in 2012.