Previously on Astro-1
... But sometimes it is convenient to use other units. The average distance from the Earth to the Sun is called an astronomical unit. 1 AU = 1.496×108 km The distance light travels in a year is a lightyear (ly). The nearest star, Proxima Centauri is 4.2 lyr away, so the light we see today left it 4.2 ye ...
... But sometimes it is convenient to use other units. The average distance from the Earth to the Sun is called an astronomical unit. 1 AU = 1.496×108 km The distance light travels in a year is a lightyear (ly). The nearest star, Proxima Centauri is 4.2 lyr away, so the light we see today left it 4.2 ye ...
Astronomy 1 – Winter 2011
... But sometimes it is convenient to use other units. The average distance from the Earth to the Sun is called an astronomical unit. 1 AU = 1.496×108 km The distance light travels in a year is a lightyear (ly). The nearest star, Proxima Centauri is 4.2 lyr away, so the light we see today left it 4.2 ye ...
... But sometimes it is convenient to use other units. The average distance from the Earth to the Sun is called an astronomical unit. 1 AU = 1.496×108 km The distance light travels in a year is a lightyear (ly). The nearest star, Proxima Centauri is 4.2 lyr away, so the light we see today left it 4.2 ye ...
Barycenter Our solar system consists of the Sun and the
... Orbit means to move in a curved path around another something. In astronomy, celestial bodies are generally described as moving or orbiting some other celestial body. For example, the Moon is said to orbit or revolve around the Earth. The Earth doesn’t stays in position as the Moon circles it. Just ...
... Orbit means to move in a curved path around another something. In astronomy, celestial bodies are generally described as moving or orbiting some other celestial body. For example, the Moon is said to orbit or revolve around the Earth. The Earth doesn’t stays in position as the Moon circles it. Just ...
Test 1 Overview - Physics and Astronomy
... Make further observations to test the theory Refine the theory, or if it no longer works, make a new one ...
... Make further observations to test the theory Refine the theory, or if it no longer works, make a new one ...
Actual Earth Motions
... “apparent” motions of the Sun. Solar Noon: The time of the day when the Sun reaches its highest altitude in the sky. Solar Day: The time it takes the Earth to rotate from one solar noon to the next solar noon. Mean Solar Day: Average rate at which the Earth rotates from one solar noon to the next. M ...
... “apparent” motions of the Sun. Solar Noon: The time of the day when the Sun reaches its highest altitude in the sky. Solar Day: The time it takes the Earth to rotate from one solar noon to the next solar noon. Mean Solar Day: Average rate at which the Earth rotates from one solar noon to the next. M ...
Chapter 2 - Cameron University
... • Through the use of models and observations, they were the first to use a careful and systematic manner to explain the workings of the heavens • Limited to naked-eye observations, their idea of using logic and mathematics as tools for investigating nature is still with us today • Their investigativ ...
... • Through the use of models and observations, they were the first to use a careful and systematic manner to explain the workings of the heavens • Limited to naked-eye observations, their idea of using logic and mathematics as tools for investigating nature is still with us today • Their investigativ ...
The Sun, at a mean distance of 92.96 million miles, is the closest
... outward and is detected as the sunlight we observe here on Earth about eight minutes after it leaves the Sun. The temperature of the photosphere is about 10,000 degrees Fahrenheit. Above the photosphere lie the tenuous chromosphere and the corona. Visible light from these top regions is usually too ...
... outward and is detected as the sunlight we observe here on Earth about eight minutes after it leaves the Sun. The temperature of the photosphere is about 10,000 degrees Fahrenheit. Above the photosphere lie the tenuous chromosphere and the corona. Visible light from these top regions is usually too ...
EarthSunMoon_QuestionSheet-LA
... The Moon is roughly ________________________ and is a lot smaller than the Earth. The Moon is about ________________________ km in diameter. How does long does it take for the Moon Earth to orbit around the Earth? The Moon is a natural satellite and travels around the Earth once every ______________ ...
... The Moon is roughly ________________________ and is a lot smaller than the Earth. The Moon is about ________________________ km in diameter. How does long does it take for the Moon Earth to orbit around the Earth? The Moon is a natural satellite and travels around the Earth once every ______________ ...
Space Unit Exam /31
... Indicate in the space provided whether the answer is true or false; if false, you must correct the answer to make it true. a. ____ In the beginning, before the ‘big bang’, the universe was very small, dense and cold. _______________________________________________________________ ___________________ ...
... Indicate in the space provided whether the answer is true or false; if false, you must correct the answer to make it true. a. ____ In the beginning, before the ‘big bang’, the universe was very small, dense and cold. _______________________________________________________________ ___________________ ...
Mathematics (P)review
... To get the rate at which the pressure increases with depth: (1) Draw in a line that fits the data points the best (2) Get the coordinates of two arbitrary points on the line (3) Use the coordinates to find the slope of the line ...
... To get the rate at which the pressure increases with depth: (1) Draw in a line that fits the data points the best (2) Get the coordinates of two arbitrary points on the line (3) Use the coordinates to find the slope of the line ...
level 1
... current position of Voyager One. Determine when Voyager One will pass Proxima Centuri and follow its path beyond. ...
... current position of Voyager One. Determine when Voyager One will pass Proxima Centuri and follow its path beyond. ...
The movements of planets and other nearby objects are visible from
... bird and a plane flew overhead at the same time, you might think that the bird was faster. You would have this impression because the farther away a moving object is from you, the less it seems to move. Stars are always moving, but they are so far away that you cannot see their movements. Observers ...
... bird and a plane flew overhead at the same time, you might think that the bird was faster. You would have this impression because the farther away a moving object is from you, the less it seems to move. Stars are always moving, but they are so far away that you cannot see their movements. Observers ...
The History of Astronomy
... • He even got the relative distances from the sun correct (see chart on page 49). • Moon orbits Earth To avoid religious persecution he published his work “de revolutionibus orbium coelestium” posthumusly. ...
... • He even got the relative distances from the sun correct (see chart on page 49). • Moon orbits Earth To avoid religious persecution he published his work “de revolutionibus orbium coelestium” posthumusly. ...
SOL Study Book
... Earth orbits the sun in a circular motion 2. Galileo Built a telescope and discovered mountains and craters on the moon Observed the phases of Venus and Sun Spots Discovered Jupiter’s moon (4 largest) Upheld Copernicus’s sun-centered theory 3.Our Solar System is part of the Milky Way Galax ...
... Earth orbits the sun in a circular motion 2. Galileo Built a telescope and discovered mountains and craters on the moon Observed the phases of Venus and Sun Spots Discovered Jupiter’s moon (4 largest) Upheld Copernicus’s sun-centered theory 3.Our Solar System is part of the Milky Way Galax ...
Name: Period : _____ Bulldog Review #9 1. The Milky Wa
... 9. Diane is a scientist who studies how plants grow in space. She wants to take ferns into space to observe how they grow. Which piece of technology does Diane need to help with this task? A. a telescope B. a spectroscope C. a spacecraft D. a satellite 10. Using today's technology, a spacecraft from ...
... 9. Diane is a scientist who studies how plants grow in space. She wants to take ferns into space to observe how they grow. Which piece of technology does Diane need to help with this task? A. a telescope B. a spectroscope C. a spacecraft D. a satellite 10. Using today's technology, a spacecraft from ...
1. a) Astronomers use the parallax method to measure
... we can’t use it to measure the distance to stars in other galaxies. Why not? Why isn’t the parallax method useful for measuring the distances to stars in other galaxies? They are so distant that the parallax is too small to be measured since parallax varies inversely with distance. b) Instead of the ...
... we can’t use it to measure the distance to stars in other galaxies. Why not? Why isn’t the parallax method useful for measuring the distances to stars in other galaxies? They are so distant that the parallax is too small to be measured since parallax varies inversely with distance. b) Instead of the ...
The Solar System
... • Inner planets - small, dense, and rocky in composition. Called “terrestrial” planets since the composition is similar to Earth’s. They are Mercury, Venus, Earth, and Mars. • Outer planets - large, low density, and gaseous. Called “jovian” planets after Jupiter. They are Jupiter, Saturn, Uranus, an ...
... • Inner planets - small, dense, and rocky in composition. Called “terrestrial” planets since the composition is similar to Earth’s. They are Mercury, Venus, Earth, and Mars. • Outer planets - large, low density, and gaseous. Called “jovian” planets after Jupiter. They are Jupiter, Saturn, Uranus, an ...
(1) Why is the Pleiades star cluster visible all night around
... more than just stand in place, but will rotate as well, to determine planet visibility at dusk, in middle of night, and at dawn. These two charts of the orbits of the planets, one showing Mercury through Mars, and the other Mercury through Saturn, depict the view as seen from the north side, or “abo ...
... more than just stand in place, but will rotate as well, to determine planet visibility at dusk, in middle of night, and at dawn. These two charts of the orbits of the planets, one showing Mercury through Mars, and the other Mercury through Saturn, depict the view as seen from the north side, or “abo ...
il 3 ~ )
... (b) In what region of the spectrum is this wavelength? Is this consistent with the fact that humans do not appear to glow (optically) in the dark? (c) Estimate the surface area of your body (in m2). You are welcome to make any reasonable assumptions and approximations, but be sure to state what they ...
... (b) In what region of the spectrum is this wavelength? Is this consistent with the fact that humans do not appear to glow (optically) in the dark? (c) Estimate the surface area of your body (in m2). You are welcome to make any reasonable assumptions and approximations, but be sure to state what they ...
Big Bang Theory
... Occurs when sun is blocked by the moon Sun, moon, Earth If the moon is partially blocking the sun, a partial solar eclipse will occur ...
... Occurs when sun is blocked by the moon Sun, moon, Earth If the moon is partially blocking the sun, a partial solar eclipse will occur ...