Astronomical Distance Determination • etc.
... parsec away would subtend an angle of 1 arc second ...
... parsec away would subtend an angle of 1 arc second ...
1 1. The Solar System
... Celestial Sphere: The celestial sphere is an imaginary shell of infinite radius, centered on the observer. This concept is useful for determining positions in the sky. Zenith: This is the point in the sky directly above the observer. Celestial Poles: As the Earth rotates, the sky appears to rotate a ...
... Celestial Sphere: The celestial sphere is an imaginary shell of infinite radius, centered on the observer. This concept is useful for determining positions in the sky. Zenith: This is the point in the sky directly above the observer. Celestial Poles: As the Earth rotates, the sky appears to rotate a ...
Sample
... that stars disappear in the daytime. If you have a campus observatory or can set up a small telescope, it’s well worth offering a daytime opportunity to point the telescope at some bright stars, showing the students that they are still there. In class, you may wish to go further in explaining the co ...
... that stars disappear in the daytime. If you have a campus observatory or can set up a small telescope, it’s well worth offering a daytime opportunity to point the telescope at some bright stars, showing the students that they are still there. In class, you may wish to go further in explaining the co ...
How many stars are visible to the naked eye in the night sky?
... Since the Canadian Astronaut Program was established in 1983, twelve Canadians have been selected to become astronauts. Currently there are two active Canadian Astronauts. They are: LieutenantColonel Jeremy Hansen and Dr. David SaintJacques. ...
... Since the Canadian Astronaut Program was established in 1983, twelve Canadians have been selected to become astronauts. Currently there are two active Canadian Astronauts. They are: LieutenantColonel Jeremy Hansen and Dr. David SaintJacques. ...
i. relative age of rock strata or events
... SOLAR SYSTEM REVISITED: IMPROVEMENTS ON HELIOCENTRIC MODEL ANOTHER DEAD SMART GUY (with a really neat name): TYCHO BRAHE *RECORDED EXTENSIVE OBSERVATIONS OF C.B. OVER 20 YRS. *HAD A METAL NOSE ...
... SOLAR SYSTEM REVISITED: IMPROVEMENTS ON HELIOCENTRIC MODEL ANOTHER DEAD SMART GUY (with a really neat name): TYCHO BRAHE *RECORDED EXTENSIVE OBSERVATIONS OF C.B. OVER 20 YRS. *HAD A METAL NOSE ...
Stars Power Point
... distance away, their absolute magnitudes would be the same as their apparent magnitudes. ...
... distance away, their absolute magnitudes would be the same as their apparent magnitudes. ...
Problem 4: magnitude of the star?
... ( 2GM ) ⁄ c 2 ∆t This is precisely the same relationship used when we studied Cygnus X-1 and also appeared on the second class exam. The rate at which mass is used is therefore ...
... ( 2GM ) ⁄ c 2 ∆t This is precisely the same relationship used when we studied Cygnus X-1 and also appeared on the second class exam. The rate at which mass is used is therefore ...
Right Ascension and Declination
... Right Ascension and Declination Declination and right ascension are coordinates resembling latitude and longitude, but instead of giving the position of location on Earth, they give a position of an object, like a star, on the sphere of the sky. Together, they make up the equatorial coordinate syste ...
... Right Ascension and Declination Declination and right ascension are coordinates resembling latitude and longitude, but instead of giving the position of location on Earth, they give a position of an object, like a star, on the sphere of the sky. Together, they make up the equatorial coordinate syste ...
Old Final
... Fill in your name and ID number on the bubble sheet. Use a #2 pencil on the bubble sheet. Make your bubbles dark and neat. These tests will be available for pick up in my office M-F, 10am-4pm after July 15th and until July 22nd. After this period of time you'll need to email me to set up a time to p ...
... Fill in your name and ID number on the bubble sheet. Use a #2 pencil on the bubble sheet. Make your bubbles dark and neat. These tests will be available for pick up in my office M-F, 10am-4pm after July 15th and until July 22nd. After this period of time you'll need to email me to set up a time to p ...
Exhibit Scavenger Hunt - Friends of the Observatory
... been erased by weather, oceans, plant life, volcanoes and plate tectonics. Today there isn’t as much stuff in the solar system to make many new craters. And Earth’s atmosphere burns most material up before it can reach us. But, the Moon has no atmosphere to protect it, so it also has ...
... been erased by weather, oceans, plant life, volcanoes and plate tectonics. Today there isn’t as much stuff in the solar system to make many new craters. And Earth’s atmosphere burns most material up before it can reach us. But, the Moon has no atmosphere to protect it, so it also has ...
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... happened to the photons at those wavelengths? A. They were absorbed permanently by a medium. B. They were re-‐emitted after some length of time in a different direction after being absorbed by a medium. ...
... happened to the photons at those wavelengths? A. They were absorbed permanently by a medium. B. They were re-‐emitted after some length of time in a different direction after being absorbed by a medium. ...
An Introduction to Astronomy and Cosmology
... • BUT 5 magnitude steps = 100 in brightness • So Z = (100)1/5 = 2.512 ...
... • BUT 5 magnitude steps = 100 in brightness • So Z = (100)1/5 = 2.512 ...
Full moon
... Sidereal Day vs. Solar Day • Sidereal Day - 23 hrs., 56 minutes – time it takes Earth to make one complete rotation (a distant star returns to the same position in the sky). • Solar Day – 24 hours, time it takes for the sun to return to the same position in the sky. (4 minutes longer than sidereal ...
... Sidereal Day vs. Solar Day • Sidereal Day - 23 hrs., 56 minutes – time it takes Earth to make one complete rotation (a distant star returns to the same position in the sky). • Solar Day – 24 hours, time it takes for the sun to return to the same position in the sky. (4 minutes longer than sidereal ...
Chapter 8
... W = mg (the gravitational force acting on m) Weighing on an elevator and Weighing in outer space or in orbit We define the weight of something as the force it exerts against the supporting floor or the weighing scale. (Remember the elevator video.) ...
... W = mg (the gravitational force acting on m) Weighing on an elevator and Weighing in outer space or in orbit We define the weight of something as the force it exerts against the supporting floor or the weighing scale. (Remember the elevator video.) ...
02_LectureOutline
... Astronomical unit: mean distance from Earth to Sun First measured during transits of Mercury and Venus, using triangulation ...
... Astronomical unit: mean distance from Earth to Sun First measured during transits of Mercury and Venus, using triangulation ...
Review Astronomy - Cowley`s Earth Systems
... and Newton’s work with gravity. Today, scientists are still gathering evidence that supports this hypothesis. What is the importance of Laplace’s work in the modern theory of solar system formation? a. Other scientists contradicted Laplace to provide support for their hypotheses. b. Laplace was help ...
... and Newton’s work with gravity. Today, scientists are still gathering evidence that supports this hypothesis. What is the importance of Laplace’s work in the modern theory of solar system formation? a. Other scientists contradicted Laplace to provide support for their hypotheses. b. Laplace was help ...
Sun and Other Stars Notes
... -Sun fuses ________________________ of material per second, very little mass is lost in the Sun, most is just converted into another element -Why is observation of Solar Neutrinos important? - Astronomers cannot witness nuclear fusion in the core of the Sun, but indirectly detect it through ________ ...
... -Sun fuses ________________________ of material per second, very little mass is lost in the Sun, most is just converted into another element -Why is observation of Solar Neutrinos important? - Astronomers cannot witness nuclear fusion in the core of the Sun, but indirectly detect it through ________ ...
Movements of Objects in Space
... 3. The Earth and all the other planets are orbiting the Sun, all in the same direction, and all in roughly the same plane (i.e. it's like they are all laid out on a large dinner plate with the Sun at the center). The outer planets orbit more slowly than the inner planets. 4. The stars appear station ...
... 3. The Earth and all the other planets are orbiting the Sun, all in the same direction, and all in roughly the same plane (i.e. it's like they are all laid out on a large dinner plate with the Sun at the center). The outer planets orbit more slowly than the inner planets. 4. The stars appear station ...
Chapter 2 The Copernican Revolution
... Astronomical unit: mean distance from Earth to Sun First measured during transits of Mercury and Venus, using triangulation ...
... Astronomical unit: mean distance from Earth to Sun First measured during transits of Mercury and Venus, using triangulation ...
Composition of the Sun
... The sun’s energy comes from fusion, and the mass that is lost during fusion becomes energy. In 1905, Albert Einstein proposed that a small amount of matter yields a large amount of energy. This proposal was part of Einstein’s special theory of relativity. ...
... The sun’s energy comes from fusion, and the mass that is lost during fusion becomes energy. In 1905, Albert Einstein proposed that a small amount of matter yields a large amount of energy. This proposal was part of Einstein’s special theory of relativity. ...
INSOLATION (INcoming SOLAr radiTION) The Earth receives almost
... The Earth receives almost all of its energy from the sun. Compared with a billion other stars in space, the sun is reasonably typical in size, color and temperature. Stars produce their own energy by the process of nuclear fusion. Deep inside stars, four hydrogen atoms combine to become a single ato ...
... The Earth receives almost all of its energy from the sun. Compared with a billion other stars in space, the sun is reasonably typical in size, color and temperature. Stars produce their own energy by the process of nuclear fusion. Deep inside stars, four hydrogen atoms combine to become a single ato ...