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... • On any given night, you can see about 3000 stars without a telescope, provided the sky is dark. ...
... • On any given night, you can see about 3000 stars without a telescope, provided the sky is dark. ...
Journey to the Stars: Activities for Grades 9-12
... Have students read this online article to learn how light transmits information about the composition of distant celestial objects. These objects are so distant that even if we could travel at the speed of light, it would take us thousands of years to reach them. Ask students: What types of informat ...
... Have students read this online article to learn how light transmits information about the composition of distant celestial objects. These objects are so distant that even if we could travel at the speed of light, it would take us thousands of years to reach them. Ask students: What types of informat ...
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... • On any given night, you can see about 3000 stars without a telescope, provided the sky is dark. ...
... • On any given night, you can see about 3000 stars without a telescope, provided the sky is dark. ...
White Dwarfs
... c. Some giants are between luminosity classes. d. Some giants are pulsating variable stars. e. Some giant stars have rapid rotation. ...
... c. Some giants are between luminosity classes. d. Some giants are pulsating variable stars. e. Some giant stars have rapid rotation. ...
The Solar Nebula Theory
... Jupiter. – There is no planet there but there is an asteroid belt. – Mathematical models indicate that the reason asteroids are there and not a planet is that Jupiter’s massive size disturbed the planetesimals and they did not accrete – instead they collided at high speeds. ...
... Jupiter. – There is no planet there but there is an asteroid belt. – Mathematical models indicate that the reason asteroids are there and not a planet is that Jupiter’s massive size disturbed the planetesimals and they did not accrete – instead they collided at high speeds. ...
charts_set_7
... Spectroscopic binaries are stars that orbit so closely, from Earth’s vantage point, that it requires a Doppler shift measurement to determine that there is more than a single star present. ...
... Spectroscopic binaries are stars that orbit so closely, from Earth’s vantage point, that it requires a Doppler shift measurement to determine that there is more than a single star present. ...
6._Motions_in_Solar_System_student
... (Earth could not be moving because objects in air would be left behind): Galileo’s experiments showed that objects in air would stay with a moving Earth. • Aristotle thought that all objects naturally come to rest. • Galileo showed that objects will stay in motion unless a force acts to slow them do ...
... (Earth could not be moving because objects in air would be left behind): Galileo’s experiments showed that objects in air would stay with a moving Earth. • Aristotle thought that all objects naturally come to rest. • Galileo showed that objects will stay in motion unless a force acts to slow them do ...
The Ancient Mystery of the Planets
... (Earth could not be moving because objects in air would be left behind): Galileo’s experiments showed that objects in air would stay with a moving Earth. • Aristotle thought that all objects naturally come to rest. • Galileo showed that objects will stay in motion unless a force acts to slow them do ...
... (Earth could not be moving because objects in air would be left behind): Galileo’s experiments showed that objects in air would stay with a moving Earth. • Aristotle thought that all objects naturally come to rest. • Galileo showed that objects will stay in motion unless a force acts to slow them do ...
Day 1: How to Describe the Sky The Motions of the Stars
... month earlier, which of these constellations was high in the Southern sky at midnight? • A: Leo • B: Virgo • C: Cancer ...
... month earlier, which of these constellations was high in the Southern sky at midnight? • A: Leo • B: Virgo • C: Cancer ...
What have we learned?
... – Deep observations of the universe show us the history of galaxies because we are seeing galaxies as they were at different ages. ...
... – Deep observations of the universe show us the history of galaxies because we are seeing galaxies as they were at different ages. ...
Stellar Evolution and the HR Diagram – Study Guide
... 13. White dwarfs are about the size of __Earth (planets)__ . 14. Neutron stars are about ___12__ miles in diameter. 15. Our Sun is a G2___ class star. 16. The MOST massive of stars live (the longest or the shortest) lives. 17. Supernovas are produced by the explosion of _super massive__ stars. The r ...
... 13. White dwarfs are about the size of __Earth (planets)__ . 14. Neutron stars are about ___12__ miles in diameter. 15. Our Sun is a G2___ class star. 16. The MOST massive of stars live (the longest or the shortest) lives. 17. Supernovas are produced by the explosion of _super massive__ stars. The r ...
A Brief guide to the night Skies for those who know nothing
... The English astronomer, Sir James Jeans, may not have been exaggerating when he asserted that the universe has as many stars as there are grains of sand on all the ocean beaches of Earth. From Earth the naked eye can glimpse as many as 6,000 of them, but our Galaxy, which we call "The Milky Way", pr ...
... The English astronomer, Sir James Jeans, may not have been exaggerating when he asserted that the universe has as many stars as there are grains of sand on all the ocean beaches of Earth. From Earth the naked eye can glimpse as many as 6,000 of them, but our Galaxy, which we call "The Milky Way", pr ...
Astronomy In the News Parallax Class demos: Parallax
... Clicker Question: The biggest groundbased telescopes with adaptive optics can measure a stars’ position to accuracies of about 0.05 arcseconds. How far away could they map the positions of stars via parallax? ...
... Clicker Question: The biggest groundbased telescopes with adaptive optics can measure a stars’ position to accuracies of about 0.05 arcseconds. How far away could they map the positions of stars via parallax? ...
Tycho Brahe & Johannes Kepler
... “If I had believed that we could ignore these eight minutes [of arc], I would have patched up my hypothesis accordingly. But since it was not permissible to ignore, those eight minutes pointed the road to a complete reformation in astronomy” - Kepler ...
... “If I had believed that we could ignore these eight minutes [of arc], I would have patched up my hypothesis accordingly. But since it was not permissible to ignore, those eight minutes pointed the road to a complete reformation in astronomy” - Kepler ...
Brock physics - Brock University
... 6. The chemical element helium was first detected (a) on the Earth. (b) in the spectrum of the Sun. 7. Which of the following stars has the hottest surface? (a) K. (b) G. (c) B. (d) F. 8. The spectral lines of an approaching star are (a) broadened. (b) narrowed. (c) blueshifted. (d) redshifted. 9. T ...
... 6. The chemical element helium was first detected (a) on the Earth. (b) in the spectrum of the Sun. 7. Which of the following stars has the hottest surface? (a) K. (b) G. (c) B. (d) F. 8. The spectral lines of an approaching star are (a) broadened. (b) narrowed. (c) blueshifted. (d) redshifted. 9. T ...
read in advance to speed your work
... Orion are not some special group of stars but only those stars which happen to be bright enough to be seen when we look in the direction of the constellation of Orion. Begin making an H-R diagram for the stars in Orion (Table II). Plot the MV values (MV again is simply absolute magnitude, M, with th ...
... Orion are not some special group of stars but only those stars which happen to be bright enough to be seen when we look in the direction of the constellation of Orion. Begin making an H-R diagram for the stars in Orion (Table II). Plot the MV values (MV again is simply absolute magnitude, M, with th ...
Cepheid Variables and the Faulkes Telescope
... afford the time to search for such random events. Fortunately, there are thousands of amateur astronomers who search for just such events and notify the astronomical community (a process greatly assisted by the advent of email) who then turn their large telescopes all around the world towards the ev ...
... afford the time to search for such random events. Fortunately, there are thousands of amateur astronomers who search for just such events and notify the astronomical community (a process greatly assisted by the advent of email) who then turn their large telescopes all around the world towards the ev ...
Aust Curriculum Connections 2012
... tonight’s sky. The other planets: orbits and time for a “year”. What are the planets made of? Could I land on Jupiter? How many “years” old would I be if I lived on other planets? How long would it take to travel there? Why are some bodies covered in craters? Why not the Earth? The Southern Cross as ...
... tonight’s sky. The other planets: orbits and time for a “year”. What are the planets made of? Could I land on Jupiter? How many “years” old would I be if I lived on other planets? How long would it take to travel there? Why are some bodies covered in craters? Why not the Earth? The Southern Cross as ...
HR Diagram and Stellar Fusion
... radiant, more luminous as its absolute magnitude increases because it is now radiating light from a much larger surface area. • The star “moves” off the main sequence and over to the right on a path called a luminosity class. Depending on how big at birth, the dying star is a red supergiant or just ...
... radiant, more luminous as its absolute magnitude increases because it is now radiating light from a much larger surface area. • The star “moves” off the main sequence and over to the right on a path called a luminosity class. Depending on how big at birth, the dying star is a red supergiant or just ...
Week 2 File
... approximately 1 arcminute to be measured, a telescope is required for bejer accuracy). Tycho believed in a geocentric model of the universe because he could not detect the parallax of stars tha ...
... approximately 1 arcminute to be measured, a telescope is required for bejer accuracy). Tycho believed in a geocentric model of the universe because he could not detect the parallax of stars tha ...
Back to basics: naked-eye astronomical observation
... 3. For older pupils. Star brightnesses are given a scale (logarithmic to match the nonlinear response of the eye) for their ‘magnitude’ as apparent to us on the Earth’s surface. The smaller the number the brighter the object. Most well known constellations will have 0 or 1st magnitude stars. A few o ...
... 3. For older pupils. Star brightnesses are given a scale (logarithmic to match the nonlinear response of the eye) for their ‘magnitude’ as apparent to us on the Earth’s surface. The smaller the number the brighter the object. Most well known constellations will have 0 or 1st magnitude stars. A few o ...
printer-friendly sample test questions
... C. glowing band of light. D. random spotting of light. 2. How many times greater is Sun’s diameter than Earth’s diameter? A. 19 times B. 109 times C. 1109 times D. 11,009 times 3. Compared to other stars in the Milky Way Galaxy, the Sun’s diameter classifies it as a A. micro-sized star. B. smallest- ...
... C. glowing band of light. D. random spotting of light. 2. How many times greater is Sun’s diameter than Earth’s diameter? A. 19 times B. 109 times C. 1109 times D. 11,009 times 3. Compared to other stars in the Milky Way Galaxy, the Sun’s diameter classifies it as a A. micro-sized star. B. smallest- ...
apparent retrograde motion - Indiana University Astronomy
... Star, made the very short bright circle near the NCP. About 12,000 years ago, the bright star Vega was the North Star, and in about 14,000 years, as the Earth's spin axis slowly continues to precess, Vega will become the North ...
... Star, made the very short bright circle near the NCP. About 12,000 years ago, the bright star Vega was the North Star, and in about 14,000 years, as the Earth's spin axis slowly continues to precess, Vega will become the North ...