OUSNMAY06 - The George Abell Observatory
... NGC4631 (9.7) sg and NG4656 (10.4) pc. are a fine example of a pair of interacting galaxies, both edge-on to our view, located mid-way between Cor Coroli and the Coma star cluster. One end of NGC4656 has a distinct hook which may be glimpsed in 8" telescopes under good seeing conditions. NGC4736 (M9 ...
... NGC4631 (9.7) sg and NG4656 (10.4) pc. are a fine example of a pair of interacting galaxies, both edge-on to our view, located mid-way between Cor Coroli and the Coma star cluster. One end of NGC4656 has a distinct hook which may be glimpsed in 8" telescopes under good seeing conditions. NGC4736 (M9 ...
LAB #6 - GEOCITIES.ws
... that magnitudes are a “backwards” scale). If this is the case, the (B-V) index is a POSITIVE number, and it indicates a relatively cool star. On the other hand, if the B magnitude is a small number compared the V magnitude, the star is putting out a high percentage of blue light and is thus relative ...
... that magnitudes are a “backwards” scale). If this is the case, the (B-V) index is a POSITIVE number, and it indicates a relatively cool star. On the other hand, if the B magnitude is a small number compared the V magnitude, the star is putting out a high percentage of blue light and is thus relative ...
8-3-Star_Classification STUDENT
... get a view without them in the way. These stars are in the way of our view as we are looking out of our ...
... get a view without them in the way. These stars are in the way of our view as we are looking out of our ...
Star Formation
... evolutionary track – stars do not evolve along it • It is a way station where stars stop and spend most of their lives • Once on the main sequence, a star stays in the same location on the H-R diagram until it runs out of fuel and begins to die ...
... evolutionary track – stars do not evolve along it • It is a way station where stars stop and spend most of their lives • Once on the main sequence, a star stays in the same location on the H-R diagram until it runs out of fuel and begins to die ...
NAME ______ PERIOD ______ DATE_________ OGT Practice
... NAME _____________ PERIOD _______ DATE_________ OGT Practice QUIZ #8 ...
... NAME _____________ PERIOD _______ DATE_________ OGT Practice QUIZ #8 ...
Lecture 5: Stars
... We only know the absolute luminosity if we know the distance, but we only know the parallax distances out to about 100 pc (further to some bright stars). The problem is that if we see a star with a surface temperature of 3000K – is it a nearby red dwarf, or a distant red giant? Without more informat ...
... We only know the absolute luminosity if we know the distance, but we only know the parallax distances out to about 100 pc (further to some bright stars). The problem is that if we see a star with a surface temperature of 3000K – is it a nearby red dwarf, or a distant red giant? Without more informat ...
Handout 3 1-2 ppt
... sky. It struck the earth in what is now northern Arizona, exploding with the force of 2 ½ million tons of TNT. ...
... sky. It struck the earth in what is now northern Arizona, exploding with the force of 2 ½ million tons of TNT. ...
1 WHY DO THE STARS IN ORION LOOK SO DIFFERENT FROM
... The apparent magnitude of a star (as we view it from earth) gives no indication of the stars luminosity. In astronomy the luminosity of a star is as if one were viewing it from a distance of 10 parsecs. For example, Algiebba viewed from 10 pc is 6,604 times more luminous than our sun, or can be expr ...
... The apparent magnitude of a star (as we view it from earth) gives no indication of the stars luminosity. In astronomy the luminosity of a star is as if one were viewing it from a distance of 10 parsecs. For example, Algiebba viewed from 10 pc is 6,604 times more luminous than our sun, or can be expr ...
Objective 10 Study Guide
... __E__16. These galaxies contain mostly old stars. __S__17. The Milky Way is probably this type of galaxy. __I__18. Many of these galaxies may have their shape distorted by neighboring galaxies. __S__19. Most galaxies are of this type. __E__20. These galaxies are massive blobs of stars. __I__21. Thes ...
... __E__16. These galaxies contain mostly old stars. __S__17. The Milky Way is probably this type of galaxy. __I__18. Many of these galaxies may have their shape distorted by neighboring galaxies. __S__19. Most galaxies are of this type. __E__20. These galaxies are massive blobs of stars. __I__21. Thes ...
MULTIPLE CHOICE. Choose the one alternative that best
... A) mass on the horizontal axis and luminosity on the vertical axis B) surface temperature on the horizontal axis and radius on the vertical axis C) mass on the horizontal axis and stellar age on the vertical axis D) interior temperature on the horizontal axis and mass on the vertical axis E) surface ...
... A) mass on the horizontal axis and luminosity on the vertical axis B) surface temperature on the horizontal axis and radius on the vertical axis C) mass on the horizontal axis and stellar age on the vertical axis D) interior temperature on the horizontal axis and mass on the vertical axis E) surface ...
Sydney Observatory night sky map June 2014
... towards the east in Libra. Mars can be seen high in the sky towards the north in Virgo. The best time to view the Moon with a small telescope or binoculars is a few days either side of the first quarter Moon on the 6th. The Southern Cross is high in the sky towards the south and is easily located us ...
... towards the east in Libra. Mars can be seen high in the sky towards the north in Virgo. The best time to view the Moon with a small telescope or binoculars is a few days either side of the first quarter Moon on the 6th. The Southern Cross is high in the sky towards the south and is easily located us ...
2 Kepler`s Laws
... 1 Astronomical Unit (AU)= average radius of the orbit of the earth about the sun. When T is measured in earth years and r in AU then K for our solar system =1 y2 / AU3 . ...
... 1 Astronomical Unit (AU)= average radius of the orbit of the earth about the sun. When T is measured in earth years and r in AU then K for our solar system =1 y2 / AU3 . ...
NIE10x301Sponsor Thank You (Page 1)
... about a third of the way towards Leo’s brightest star, Regulus. M105 is notable. Many galaxies, both spiral and elliptical, appear to have giant black holes at their centres; M105 has one with a mass of about 50 million solar masses! (The Milky Way is thought to contain a 3 million solar mass black ...
... about a third of the way towards Leo’s brightest star, Regulus. M105 is notable. Many galaxies, both spiral and elliptical, appear to have giant black holes at their centres; M105 has one with a mass of about 50 million solar masses! (The Milky Way is thought to contain a 3 million solar mass black ...
Lec7_2D
... blackbody law, hot things emit more light. But a star’s brightness also depends on its size – the larger the area, the more light that is emitted. The relationship between luminosity, radius, and temperature is ...
... blackbody law, hot things emit more light. But a star’s brightness also depends on its size – the larger the area, the more light that is emitted. The relationship between luminosity, radius, and temperature is ...
Astronomy Quiz Units 1 to 3
... planet. Why not? Answer in a sentence. The answer as to why this object is not a planet is that it is not spherical. “A planet (from Greek πλανήτης, alternative form of πλάνης "wanderer") is a celestial body orbiting a star or stellar remnant that is massive enough to be rounded by its own gravity, ...
... planet. Why not? Answer in a sentence. The answer as to why this object is not a planet is that it is not spherical. “A planet (from Greek πλανήτης, alternative form of πλάνης "wanderer") is a celestial body orbiting a star or stellar remnant that is massive enough to be rounded by its own gravity, ...
Great Migrations & other natural history tales
... On the similarities of chemical composition of most pop. I stars Observations show that many stars are surrounded by dust and sometimes detectable gas, in the form of the so-called debris disks or replenished dust disks, originally called Vega-type disks. The Sun has a zodiacal light disk, which is ...
... On the similarities of chemical composition of most pop. I stars Observations show that many stars are surrounded by dust and sometimes detectable gas, in the form of the so-called debris disks or replenished dust disks, originally called Vega-type disks. The Sun has a zodiacal light disk, which is ...
Apparent Magnitude - RanelaghALevelPhysics
... emitted per second (units of Watts). • The Sun’s luminosity is about 4 x 1026 W. • The most luminous stars have a luminosity of about million times that of the Sun! ...
... emitted per second (units of Watts). • The Sun’s luminosity is about 4 x 1026 W. • The most luminous stars have a luminosity of about million times that of the Sun! ...
Student 4
... Red Dwarfs and Barnard’s star. Their origin and significance to astronomy. What is a Red Dwarf? A red dwarf is a small and relatively cool star on the main sequence, being a M spectral type. Red dwarfs range in mass from a low of 0.075 solar masses (M☉) to about 0.50 M☉ and have a surface temperatur ...
... Red Dwarfs and Barnard’s star. Their origin and significance to astronomy. What is a Red Dwarf? A red dwarf is a small and relatively cool star on the main sequence, being a M spectral type. Red dwarfs range in mass from a low of 0.075 solar masses (M☉) to about 0.50 M☉ and have a surface temperatur ...
Practice questions for Stars File
... Life cycle of large and massive stars 1. Describe the difference in the stages of the life cycle for a large and massive star compared to an average star 2. Describe the fuel use changes from birth to death for a black hole 3. Describe the fuel use changes from birth to death for a neutron star 4. E ...
... Life cycle of large and massive stars 1. Describe the difference in the stages of the life cycle for a large and massive star compared to an average star 2. Describe the fuel use changes from birth to death for a black hole 3. Describe the fuel use changes from birth to death for a neutron star 4. E ...
Stellar Evolution
... No, only out to a few hundred light years, i.e., in the neighborhood of our Sun, within our Milky Way. No, not in other galaxies, but throughout our Milky Way. Yes, but only nearby galaxies in our Local Group. Yes, out to about half the distance through the ...
... No, only out to a few hundred light years, i.e., in the neighborhood of our Sun, within our Milky Way. No, not in other galaxies, but throughout our Milky Way. Yes, but only nearby galaxies in our Local Group. Yes, out to about half the distance through the ...
Astronomy and Space articles by Martin George of the Launceston
... recently, we had established only the fact that there exist planets that orbit one of the two stars. That is, there are systems in which two stars orbit each other (actually, orbiting their common centre of mass), with one of the stars having one or more planetary companions in orbit around itself. ...
... recently, we had established only the fact that there exist planets that orbit one of the two stars. That is, there are systems in which two stars orbit each other (actually, orbiting their common centre of mass), with one of the stars having one or more planetary companions in orbit around itself. ...
Stellar Evolution
... After the red giant phase, massive stars contract again allowing the core to become hot enough to fuse heavier and heavier elements until they reach iron. When this occurs the star doesn’t have enough energy to further fuse iron so gravity quickly crushes the star, causing the protons and electrons ...
... After the red giant phase, massive stars contract again allowing the core to become hot enough to fuse heavier and heavier elements until they reach iron. When this occurs the star doesn’t have enough energy to further fuse iron so gravity quickly crushes the star, causing the protons and electrons ...
Life cycle of the Stars - Christos N. Hadjichristidis
... Materials for Life Cycles of Stars This presentation, and other materials on the Life Cycles of Stars, are available on the Imagine the Universe! web site at: http://imagine.gsfc.nasa.gov/docs/teachers/lifecycles/stars.html ...
... Materials for Life Cycles of Stars This presentation, and other materials on the Life Cycles of Stars, are available on the Imagine the Universe! web site at: http://imagine.gsfc.nasa.gov/docs/teachers/lifecycles/stars.html ...
Characteristics of Stars ppt.
... using the sun, moon and Earth. 3. Illustrate the position of the sun, moon and Earth during a solar eclipse. 4. Illustrate the position of the sun, moon and Earth during a lunar eclipse. No talking. When finished, quietly study for root words test #4. Thank you. ...
... using the sun, moon and Earth. 3. Illustrate the position of the sun, moon and Earth during a solar eclipse. 4. Illustrate the position of the sun, moon and Earth during a lunar eclipse. No talking. When finished, quietly study for root words test #4. Thank you. ...
Corvus (constellation)
Corvus is a small constellation in the Southern Celestial Hemisphere. Its name comes from the Latin word ""raven"" or ""crow"". It includes only 11 stars with brighter than 4.02 magnitudes. One of the 48 constellations listed by the 2nd-century astronomer Ptolemy, it remains one of the 88 modern constellations. The four brightest stars, Gamma, Delta, Epsilon, and Beta Corvi from a distinctive quadrilateral in the night sky. The young star Eta Corvi has been found to have two debris disks.