Astronomy Directed Reading
... 37. The tendency of a stationary body to remain at rest or of a moving body to remain in motion until an outside force acts upon it is called _________________________________. 38. Newton discovered that an outside force called _______________________ causes the orbit of a planet to curve. 39. The o ...
... 37. The tendency of a stationary body to remain at rest or of a moving body to remain in motion until an outside force acts upon it is called _________________________________. 38. Newton discovered that an outside force called _______________________ causes the orbit of a planet to curve. 39. The o ...
Celestial Motions - Georgia State University
... too small to notice with the naked eye 2. Earth does not orbit Sun; it is the center of the universe With rare exceptions such as Aristarchus, the Greeks rejected the correct explanation (1) because they did not think the stars could be that far away Thus setting the stage for the long, historical s ...
... too small to notice with the naked eye 2. Earth does not orbit Sun; it is the center of the universe With rare exceptions such as Aristarchus, the Greeks rejected the correct explanation (1) because they did not think the stars could be that far away Thus setting the stage for the long, historical s ...
Cosmic Samples & Origin of Solar System
... The solar nebula model attempts to explain how the solar system may have formed The model is still “evolving” and many of its details are yet to be worked out Powerful computers are used for simulations ...
... The solar nebula model attempts to explain how the solar system may have formed The model is still “evolving” and many of its details are yet to be worked out Powerful computers are used for simulations ...
Lec4_2D
... Example of Gravity – a Planetary Orbit Imagine a planet moving sideways with respect to the Sun. Newton’s first law says that it will continue to move sideways. But the law of gravity says that it will also be pulled towards the Sun. The result is a combination motion, in which the planet falls tow ...
... Example of Gravity – a Planetary Orbit Imagine a planet moving sideways with respect to the Sun. Newton’s first law says that it will continue to move sideways. But the law of gravity says that it will also be pulled towards the Sun. The result is a combination motion, in which the planet falls tow ...
Excellence
... they have a small surface area but a large mass, which causes high temperature. Looking at the H/ R diagram you can tell that white dwarfs are not very bright (10 – 10, 000 x dimmer than our sun) and they are of spectral type O, B, A, F. So white dwarfs are smaller, more dense, and much dimmer than ...
... they have a small surface area but a large mass, which causes high temperature. Looking at the H/ R diagram you can tell that white dwarfs are not very bright (10 – 10, 000 x dimmer than our sun) and they are of spectral type O, B, A, F. So white dwarfs are smaller, more dense, and much dimmer than ...
teachers` answers for Secondary Visit Guide and Activities
... The older telescope was the 12 inch Mertz – it was significantly smaller. The previous ‘barrel’ dome was fit for purpose, but had to be replaced with the onion dome to fit the newer telescope. Also this telescope at lower altitudes still pokes out of the open slit! A lot of care is taken when moving ...
... The older telescope was the 12 inch Mertz – it was significantly smaller. The previous ‘barrel’ dome was fit for purpose, but had to be replaced with the onion dome to fit the newer telescope. Also this telescope at lower altitudes still pokes out of the open slit! A lot of care is taken when moving ...
ORIGIN OF THE GREEK CONSTELLATIONS
... Someone standing on the Moon during a lunar eclipse will see a ring of red light all around the edge of the Earth -- all the world’s sunsets and sunrises ...
... Someone standing on the Moon during a lunar eclipse will see a ring of red light all around the edge of the Earth -- all the world’s sunsets and sunrises ...
Introduction To Astronomy
... Earth Rotation = Sky Rotation Polaris - The North Star Circumpolar Star - “Around the Pole” star - Does not set below horizon in the sky at a particular latitude Noncircumpolar Star - Rises and sets at some time during the day or night ...
... Earth Rotation = Sky Rotation Polaris - The North Star Circumpolar Star - “Around the Pole” star - Does not set below horizon in the sky at a particular latitude Noncircumpolar Star - Rises and sets at some time during the day or night ...
THE END - SMU Physics
... Astronomy: Numerous calendars used including „Long Count‟; Dresden Codex – contains highly accurate ...
... Astronomy: Numerous calendars used including „Long Count‟; Dresden Codex – contains highly accurate ...
Solar Magnetism and Solar Cycle
... fallen again, and most sunspots lie within about 10 degree of the solar equator. ...
... fallen again, and most sunspots lie within about 10 degree of the solar equator. ...
Monday, March 3
... The latter discusses Copernicus vs Ptolemy ban by Church (1633) – revoked by pope 1992 – Quotable: “The book of the universe is written in the language of ...
... The latter discusses Copernicus vs Ptolemy ban by Church (1633) – revoked by pope 1992 – Quotable: “The book of the universe is written in the language of ...
The Quest Ahead - Mr. Catt`s Class
... southernmost positions, respectively. 9. The vernal and autumnal equinoxes are the points on the celestial sphere where the Sun crosses the celestial equator while moving north and south, respectively. © 2007 Jones and Bartlett Publishers ...
... southernmost positions, respectively. 9. The vernal and autumnal equinoxes are the points on the celestial sphere where the Sun crosses the celestial equator while moving north and south, respectively. © 2007 Jones and Bartlett Publishers ...
Lifetimes of stars
... Stellar Lifetimes • The Sun (and all stars) will eventually run out of fuel (hydrogen in regions where it is hot enough for fusion). • If all the hydrogen in the Sun could fuse to helium, the Sun’s lifetime would be 100 billion years. • But, by the time about 10% of the Sun’s H has been converted in ...
... Stellar Lifetimes • The Sun (and all stars) will eventually run out of fuel (hydrogen in regions where it is hot enough for fusion). • If all the hydrogen in the Sun could fuse to helium, the Sun’s lifetime would be 100 billion years. • But, by the time about 10% of the Sun’s H has been converted in ...
The universe
... Planets around the sun and the surrounding planets revolve around the center of the galaxy (Milky Way). ...
... Planets around the sun and the surrounding planets revolve around the center of the galaxy (Milky Way). ...
2nd Semester Exam Study Guide
... and secondary seismic wave arrivals. Describe how the sizes of earthquakes and volcanoes are measured or characterized. Describe the effects of earthquakes and volcanic eruptions on humans. Explain why fences are offset after an earthquake using the elastic rebound theory. Distinguish plate boundari ...
... and secondary seismic wave arrivals. Describe how the sizes of earthquakes and volcanoes are measured or characterized. Describe the effects of earthquakes and volcanic eruptions on humans. Explain why fences are offset after an earthquake using the elastic rebound theory. Distinguish plate boundari ...
Chapter 25 Teacher Notes
... •Earth and other planets revolve around the sun. Planetary Orbits •Johannes Kepler discovered that orbits had an elliptical pattern instead of circular. •Newton explained the reason that the planets stay in orbit is because of his first law and the reason that they don’t go out into space is because ...
... •Earth and other planets revolve around the sun. Planetary Orbits •Johannes Kepler discovered that orbits had an elliptical pattern instead of circular. •Newton explained the reason that the planets stay in orbit is because of his first law and the reason that they don’t go out into space is because ...
Topic 4: Earth-Moon
... • Earth rotates 360° from west to east (counter clockwise looking down from the north pole) in 24 hours, at an angular rate of l5° per hour (360°/24 hours = 15°/hour) ...
... • Earth rotates 360° from west to east (counter clockwise looking down from the north pole) in 24 hours, at an angular rate of l5° per hour (360°/24 hours = 15°/hour) ...
HE Solar System is made up of the sun and its a family of eight
... o miles long. They must be very light bodtars can be seen through them and they exert ction on the sun or the planets. up of is yet an unsettled question hypothesis is that they are comeoric particles widely separated, in an envelope of rarefied gas and vapor is produced either by electrical dischar ...
... o miles long. They must be very light bodtars can be seen through them and they exert ction on the sun or the planets. up of is yet an unsettled question hypothesis is that they are comeoric particles widely separated, in an envelope of rarefied gas and vapor is produced either by electrical dischar ...
Do you ever wonder why when you jump up, you always come back
... why the Moon keeps circling around Earth rather than drifting off into space? Throughout history, people have wondered about these things. Now we know that a property of the universe called “gravi ...
... why the Moon keeps circling around Earth rather than drifting off into space? Throughout history, people have wondered about these things. Now we know that a property of the universe called “gravi ...
Motion in the Sky & Getting to know the Sky
... Near the earth’s poles, the sun never sets during mid-summer. You pay for all this summer sun by never seeing the sun in mid-winter! ...
... Near the earth’s poles, the sun never sets during mid-summer. You pay for all this summer sun by never seeing the sun in mid-winter! ...