Planets
... The Planets The word “Planets” comes from the Greek word for “wandering stars”. The stars are fixed in the sky, holding their same positions year after year, but the planets move over days across the background of the starry sky. ...
... The Planets The word “Planets” comes from the Greek word for “wandering stars”. The stars are fixed in the sky, holding their same positions year after year, but the planets move over days across the background of the starry sky. ...
Universal Gravitation
... (Creepy looking guy to the right) Danish astronomer Tycho Brahe (1546-1601) spent years cataloguing the stars and planets with great accuracy. His assistant Johannes Kepler (1571-1630) put his observations to good use. He developed three important laws of astronomy. His first law describes the shape ...
... (Creepy looking guy to the right) Danish astronomer Tycho Brahe (1546-1601) spent years cataloguing the stars and planets with great accuracy. His assistant Johannes Kepler (1571-1630) put his observations to good use. He developed three important laws of astronomy. His first law describes the shape ...
Astronomy and Our Origins
... • Doppler Effect Things moving away shift to Redder colors = longer distances & longer wavelengths = red shift Things moving towards us shift to Bluer colors = shorter distances & shorter wavelengths = blue shift ...
... • Doppler Effect Things moving away shift to Redder colors = longer distances & longer wavelengths = red shift Things moving towards us shift to Bluer colors = shorter distances & shorter wavelengths = blue shift ...
The Sun Our sun is a star. It is the star we see in the daytime. It is the
... is so big that more than a million Earths would fit inside it. It looks small because it is so far from Earth. Like all stars, our sun is a ball of very hot gases. It gives off light and heat. The sun makes energy in its center. Huge explosions take place, releasing energy. The outside layer of the ...
... is so big that more than a million Earths would fit inside it. It looks small because it is so far from Earth. Like all stars, our sun is a ball of very hot gases. It gives off light and heat. The sun makes energy in its center. Huge explosions take place, releasing energy. The outside layer of the ...
doc - UWM
... very hot gas where nuclear fusion can occur and which produces the light that make stars shine. A planet, on the other hand, gets its light reflected from its companion star. How can you tell the difference between a star and a planet in the sky? The stars in the sky appear to be in fixed positions ...
... very hot gas where nuclear fusion can occur and which produces the light that make stars shine. A planet, on the other hand, gets its light reflected from its companion star. How can you tell the difference between a star and a planet in the sky? The stars in the sky appear to be in fixed positions ...
Astronomy Quiz #1 Answers
... 8. Some galaxies are thought to produce many more new stars than others. What characteristics do galaxies with a high rate of production of stars have in common? (2 – MC) -they have large amounts of dust and gas 9. Explain why looking at a star in the night sky is like looking back in time. (2 – COM ...
... 8. Some galaxies are thought to produce many more new stars than others. What characteristics do galaxies with a high rate of production of stars have in common? (2 – MC) -they have large amounts of dust and gas 9. Explain why looking at a star in the night sky is like looking back in time. (2 – COM ...
Distant of Moon
... Measured distance to Moon (duration of eclipse)÷(1 month)= (2REarth)÷(circumf. of Moon’s orbit) Attempted to measure distance to Sun Need to measure (using time interval ratios) the angle of Sun when Moon is exactly at 1st or 3rd quarter Then use trigonometry and known Earth-Moon distance to get Sun ...
... Measured distance to Moon (duration of eclipse)÷(1 month)= (2REarth)÷(circumf. of Moon’s orbit) Attempted to measure distance to Sun Need to measure (using time interval ratios) the angle of Sun when Moon is exactly at 1st or 3rd quarter Then use trigonometry and known Earth-Moon distance to get Sun ...
ASTR 1010 – Spring 2016 – Study Notes Dr. Magnani
... should change as the Earth went part of the way around its orbit. Since no observed shift in position is detected with the naked eye over many months, the Earth could not be moving around t ...
... should change as the Earth went part of the way around its orbit. Since no observed shift in position is detected with the naked eye over many months, the Earth could not be moving around t ...
–1– AST104 Sp06: Welcome to EXAM 2 Multiple Choice Questions
... the magnetic field on the sun to be mapped. 42. The solar nebula from which the planets formed was composed mostly of helium 43. Lunar maria are older than the lunar highlands. 44. The active plate motions on Earth reduce the size of shield volcanos compared to those on Mars and Venus 45. The streng ...
... the magnetic field on the sun to be mapped. 42. The solar nebula from which the planets formed was composed mostly of helium 43. Lunar maria are older than the lunar highlands. 44. The active plate motions on Earth reduce the size of shield volcanos compared to those on Mars and Venus 45. The streng ...
Chapter 1 The Copernican Revolution
... The mutual gravitational attraction between the Sun and planets is responsible for their motion. The gravitational pull of the Sun force the planet to change the direction of the velocity. At every point in the planet’s orbit, the direction of the gravitational force exerted by the Sun changes when ...
... The mutual gravitational attraction between the Sun and planets is responsible for their motion. The gravitational pull of the Sun force the planet to change the direction of the velocity. At every point in the planet’s orbit, the direction of the gravitational force exerted by the Sun changes when ...
Weeks 11-13
... Students will understand that the earth is surrounded by a blanket of air called the atmosphere that is essential to life because of some of the gasses it contains. SC-5-EU-U-4 Students will understand that air is free to move from place to place all across the planet and this movement ...
... Students will understand that the earth is surrounded by a blanket of air called the atmosphere that is essential to life because of some of the gasses it contains. SC-5-EU-U-4 Students will understand that air is free to move from place to place all across the planet and this movement ...
Lecture (Powerpoint)
... If Earth were moved to Venus' orbit, runaway greenhouse effect would occur And that explains biggest difference between the two today Difference in surface temperature, atmosphere composition,... Much larger effect than naïve estimate from distance to Sun Large effect of atmosphere Planets as near a ...
... If Earth were moved to Venus' orbit, runaway greenhouse effect would occur And that explains biggest difference between the two today Difference in surface temperature, atmosphere composition,... Much larger effect than naïve estimate from distance to Sun Large effect of atmosphere Planets as near a ...
Grade 9 Science Part 3 Other Celestial Bodies
... The coma points away from the sun pushed by solar winds ...
... The coma points away from the sun pushed by solar winds ...
Week 6
... If Betelgeuse is 640 ly from Earth, what is the brightness of the light from Betelgeuse that reaches Earth? ...
... If Betelgeuse is 640 ly from Earth, what is the brightness of the light from Betelgeuse that reaches Earth? ...
Astronomy Final Study Guide - With Answers!!– Name: **This will be
... water. Neap tides happen when the sun, moon, and earth are at a 90 degree angle. The moon is pulling one way and the sun is pulling in another way. This means that there will not be a large difference between high and low tide. 16. What causes the seasons on Earth? Why are we soon going to have Summ ...
... water. Neap tides happen when the sun, moon, and earth are at a 90 degree angle. The moon is pulling one way and the sun is pulling in another way. This means that there will not be a large difference between high and low tide. 16. What causes the seasons on Earth? Why are we soon going to have Summ ...
Standard Index Form Problems L9
... The mass of Jupiter is 318 times the mass of Earth. What is the mass of Jupiter? b). Mercury’s mass is 0.038 of the Earth’s mass. Find the mass of Mercury. ...
... The mass of Jupiter is 318 times the mass of Earth. What is the mass of Jupiter? b). Mercury’s mass is 0.038 of the Earth’s mass. Find the mass of Mercury. ...
Astronomy 20 Homework # 2
... Å wide. How many counts per resolution element are detected from the galaxy alone in a 1-hour exposure? From the foreground sky? If a blank piece of sky is measured at the same time in order to subtract the sky spectrum from the total, what is the signal-to-noise ratio per resolution element in the ...
... Å wide. How many counts per resolution element are detected from the galaxy alone in a 1-hour exposure? From the foreground sky? If a blank piece of sky is measured at the same time in order to subtract the sky spectrum from the total, what is the signal-to-noise ratio per resolution element in the ...
A SHORT VIDEO What is the Solar System
... properties of a star by observing its motion through space. Other characteristics of a star are determined by its evolutionary history, including the diameter, rotation, movement and temperature. The star which is closest to the Earth is the Sun. ...
... properties of a star by observing its motion through space. Other characteristics of a star are determined by its evolutionary history, including the diameter, rotation, movement and temperature. The star which is closest to the Earth is the Sun. ...
The Sun
... stable state for 10 billion years. As the sun is already 4.5 billion years old, it is “middle-aged.” ...
... stable state for 10 billion years. As the sun is already 4.5 billion years old, it is “middle-aged.” ...
Unit One: Earth Dimensions Although the Earth appears to be a
... 2. Photographs of the Earth from Space 3. Law of Gravitation ...
... 2. Photographs of the Earth from Space 3. Law of Gravitation ...