Unit 3: The Solar System Historical Models of the Solar System
... - He was ridiculed and his model was not accepted ...
... - He was ridiculed and his model was not accepted ...
Astronomy 100 Homework #2 Solutions 1, Problem 3‐27 (2 pts
... 1, Problem 3‐27 (2 pts). According to Kepler’s third law, (b) Jupiter orbits the Sun more quickly than Saturn. Because the semimajor axis is smaller, the orbital period P = a3/2 will be smaller. 2. Problem 3‐40 (2 pts). The recently discovered object Sedna orbits our sun beyond Pluto, at an ave ...
... 1, Problem 3‐27 (2 pts). According to Kepler’s third law, (b) Jupiter orbits the Sun more quickly than Saturn. Because the semimajor axis is smaller, the orbital period P = a3/2 will be smaller. 2. Problem 3‐40 (2 pts). The recently discovered object Sedna orbits our sun beyond Pluto, at an ave ...
PDF Version
... Scientific American has an excellent You-Tube video which illustrates the use of parallax in measuring distances to stars. When Copernicus first put forward the theory in 1543 that the earth moves around the sun as the other planets do, one argument against his theory was that the directions to the ...
... Scientific American has an excellent You-Tube video which illustrates the use of parallax in measuring distances to stars. When Copernicus first put forward the theory in 1543 that the earth moves around the sun as the other planets do, one argument against his theory was that the directions to the ...
The Passage of Time Moon, Moonth, Month Sidereal (Star) Time
... ~23.5 degrees relative to its orbit around the Sun. The axis remains pointed in the same direction (toward Polaris) as Earth orbits. As a result the Sun shifts from a declination of 23.5 deg N to 23.5 deg S over the year The tilt of the earth and time of year determine direction of sunrise & set. ...
... ~23.5 degrees relative to its orbit around the Sun. The axis remains pointed in the same direction (toward Polaris) as Earth orbits. As a result the Sun shifts from a declination of 23.5 deg N to 23.5 deg S over the year The tilt of the earth and time of year determine direction of sunrise & set. ...
Sun, Moon, and Earth Notes
... universe- Everything that exists anywhere in space. It includes all the galaxies, stars, planets, and other bodies that they may contain. star- A huge ball of glowing gas that appears as a bright point in the night sky. Astronomers think there are more that 200 billion stars in the universe. sun- Th ...
... universe- Everything that exists anywhere in space. It includes all the galaxies, stars, planets, and other bodies that they may contain. star- A huge ball of glowing gas that appears as a bright point in the night sky. Astronomers think there are more that 200 billion stars in the universe. sun- Th ...
Quiz # 5
... 5. The Earth has an average density of 5.5 g/cm3 although the density of rock on its surface is about 3.0 g/cm3. What conclusion can be reached about the Earth's core from this observation? A) It consists of lower density material than surface rock. B) It must be composed of material with density a ...
... 5. The Earth has an average density of 5.5 g/cm3 although the density of rock on its surface is about 3.0 g/cm3. What conclusion can be reached about the Earth's core from this observation? A) It consists of lower density material than surface rock. B) It must be composed of material with density a ...
HW4 due - Yale Astronomy
... measured accurately with HST is actually a fraction of one resolution element, or about 0.005 arcsecond. ...
... measured accurately with HST is actually a fraction of one resolution element, or about 0.005 arcsecond. ...
Panel 3 Ingles ALTA
... atmospheres are affected by geological and, in the case of the Earth, biological activity. There are four rocky planets in the Solar System: Mercury, Venus, the Earth and Mars. The Earth also has a rocky satellite, the Moon, and Mars has two, Deimos and Phobos. ...
... atmospheres are affected by geological and, in the case of the Earth, biological activity. There are four rocky planets in the Solar System: Mercury, Venus, the Earth and Mars. The Earth also has a rocky satellite, the Moon, and Mars has two, Deimos and Phobos. ...
Lecture 4 - Orbits of the planets
... of solar system (inside orbit of Neptune) • Want (volume of Jupiter) / (volume of Neptune's orbit) = (4/3)π(radius of Jupiter)3 / (4/3)π(radius of Neptune’s orbit)3 = (radius of Jupiter)3 / (radius of Neptune’s orbit)3 Lecture slide gives diameters not radii, need to divide by 2. ...
... of solar system (inside orbit of Neptune) • Want (volume of Jupiter) / (volume of Neptune's orbit) = (4/3)π(radius of Jupiter)3 / (4/3)π(radius of Neptune’s orbit)3 = (radius of Jupiter)3 / (radius of Neptune’s orbit)3 Lecture slide gives diameters not radii, need to divide by 2. ...
No Slide Title
... Check out this neat website. It shows how Pluto’s plane of orbit is “wonky” and the orbits of the comets around the sun. ...
... Check out this neat website. It shows how Pluto’s plane of orbit is “wonky” and the orbits of the comets around the sun. ...
Topic 3: Astronomy
... rotation: the turning of an object on its axis revolution: the movement of a body in orbit around an object Models of the Universe Geocentric (“Earth-centered”) models proposed by Aristotle, Ptolemy - the Earth is located at the center of the universe and does not move - the stars are fixed on a t ...
... rotation: the turning of an object on its axis revolution: the movement of a body in orbit around an object Models of the Universe Geocentric (“Earth-centered”) models proposed by Aristotle, Ptolemy - the Earth is located at the center of the universe and does not move - the stars are fixed on a t ...
Answer to question 1 - Northwestern University
... Scientists now possess, for the first time, a good three-dimensional picture of the bright stars in our neighbourhood. Hipparcos measured the distances of many stars, which were previously a matter of guesswork. For example Polaris, the Pole Star, is 430 ...
... Scientists now possess, for the first time, a good three-dimensional picture of the bright stars in our neighbourhood. Hipparcos measured the distances of many stars, which were previously a matter of guesswork. For example Polaris, the Pole Star, is 430 ...
Document
... 1. There are 178 known moons in our solar system. 2. Titian is the biggest of all 53 of Saturn's moons 3. Only Jupiter's moon Ganymede is larger than Titan ...
... 1. There are 178 known moons in our solar system. 2. Titian is the biggest of all 53 of Saturn's moons 3. Only Jupiter's moon Ganymede is larger than Titan ...
Transit of Venus
... during the transit with its known diameter. The comparison will help to estimate the size of exoplanets detected around other stars. • To improve and develope reliable exoplanet detection techniques by measuring the dip in Sun's brightness. The robust models will then help eliminate the false detect ...
... during the transit with its known diameter. The comparison will help to estimate the size of exoplanets detected around other stars. • To improve and develope reliable exoplanet detection techniques by measuring the dip in Sun's brightness. The robust models will then help eliminate the false detect ...
Dynamics of the Earth
... Aberration of starlight Telescope moving at speed v must be tilted so that light reaches bottom. Lsinθ Lcosθ v ∆t = ...
... Aberration of starlight Telescope moving at speed v must be tilted so that light reaches bottom. Lsinθ Lcosθ v ∆t = ...
Planets and Other Objects in Space test study
... 18. What are orbits like for planets that are close to the sun? orbit faster than the outer planets 19. What has a space probe found that could prove liquid water may have once existed on Mars? sedimentary rocks- which are formed by water. Polar ice caps. 20. What does Earth have that other planets ...
... 18. What are orbits like for planets that are close to the sun? orbit faster than the outer planets 19. What has a space probe found that could prove liquid water may have once existed on Mars? sedimentary rocks- which are formed by water. Polar ice caps. 20. What does Earth have that other planets ...
Powerpoint
... – Argues that the earth is spherical based on the shape of its shadow on the moon during lunar eclipses ...
... – Argues that the earth is spherical based on the shape of its shadow on the moon during lunar eclipses ...
Greek and Hellenistic Astronomy
... to the Sun was between 18 and 20 times the lunar distance [in reality, the distance ratio is about 390]. From observations of lunar eclipses Aristarchus determined the ratio of the diameters of the Earth and the Moon as c. 2.85. From the angular diameter of the Moon (½°) the distance to the Moon can ...
... to the Sun was between 18 and 20 times the lunar distance [in reality, the distance ratio is about 390]. From observations of lunar eclipses Aristarchus determined the ratio of the diameters of the Earth and the Moon as c. 2.85. From the angular diameter of the Moon (½°) the distance to the Moon can ...
A Short History of Astronomy
... • According to Richard Proctor, the 19th Century Astronomical writer, 176 Astronomers in 117 locations around the world participated. • Why all the excitement? • Because once the distance from the Earth to the Sun (AU) was accurately benchmarked, Kepler’s Third Law could be used to calculate the dis ...
... • According to Richard Proctor, the 19th Century Astronomical writer, 176 Astronomers in 117 locations around the world participated. • Why all the excitement? • Because once the distance from the Earth to the Sun (AU) was accurately benchmarked, Kepler’s Third Law could be used to calculate the dis ...
SUMMARY The Earth is one of eight planets orbiting the Sun, and
... make up the Milky Way Galaxy. The Milky Way, two other similarsize galaxies, and dozens of smaller galaxies compose the Local Group, which in turn is part of?the Local Supercluster of galaxies. Superclusters seem to be grouped into even larger systems that fill the visible Universe. We can speak wi ...
... make up the Milky Way Galaxy. The Milky Way, two other similarsize galaxies, and dozens of smaller galaxies compose the Local Group, which in turn is part of?the Local Supercluster of galaxies. Superclusters seem to be grouped into even larger systems that fill the visible Universe. We can speak wi ...
February 18
... Kepler was trying to match an orbit to Tycho’s observations of Mars • “If I 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 8 minutes pointed to the road to a complete reformation in astr ...
... Kepler was trying to match an orbit to Tycho’s observations of Mars • “If I 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 8 minutes pointed to the road to a complete reformation in astr ...
university of british columbia: astronomy 310: final
... Are the following 5 statements sensible (answer yes or no) and explain why it is or is not sensible. (1 mark each) (a) The Julian calendar differed from the Gregorian calendar because it was based on the siderial year. (b) When navigating in the South Pacific, the Polynesians found their latitude wi ...
... Are the following 5 statements sensible (answer yes or no) and explain why it is or is not sensible. (1 mark each) (a) The Julian calendar differed from the Gregorian calendar because it was based on the siderial year. (b) When navigating in the South Pacific, the Polynesians found their latitude wi ...