Assignment 2 - utoledo.edu
... ____ 33. In Ptolemy's system the planets orbit the Earth and not the Sun. How did the system explain the retrograde motion of planets like Jupiter? a. the planets were not moving along the ecliptic but all over the celestial sphere b. the planets moved in very elongated ellipses, and their speed i ...
... ____ 33. In Ptolemy's system the planets orbit the Earth and not the Sun. How did the system explain the retrograde motion of planets like Jupiter? a. the planets were not moving along the ecliptic but all over the celestial sphere b. the planets moved in very elongated ellipses, and their speed i ...
Distances in Cosmology One of the most basic measurements that
... measuring the apparent times at which Venus crossed the Sun’s limb). Then, knowing this distance, parallax has been used to determine the distance to many stars. Parallax, however, has its limits. The problem is that something sufficiently distant has such a tiny angular shift that it can’t be measu ...
... measuring the apparent times at which Venus crossed the Sun’s limb). Then, knowing this distance, parallax has been used to determine the distance to many stars. Parallax, however, has its limits. The problem is that something sufficiently distant has such a tiny angular shift that it can’t be measu ...
Document
... • Parallax (only practically achievable for very nearby stars) • Expansion Parallax (watch something expand with known speed) the Greeks rejected the heliocentric theory because they did not • Example: detect stellar parallax. Tycho later realized that this is because stars are too far away to measu ...
... • Parallax (only practically achievable for very nearby stars) • Expansion Parallax (watch something expand with known speed) the Greeks rejected the heliocentric theory because they did not • Example: detect stellar parallax. Tycho later realized that this is because stars are too far away to measu ...
Essay Physics: Science in the Renaissance
... Also when he rolled the ball down a slope, the height it ended on, was the same as it started, no matter how steep the slope is. Astronomy: Galileo built his own telescope with 3x magnification, it was based on descriptions of the first telescope, invented in the Netherlands. He also discovered the ...
... Also when he rolled the ball down a slope, the height it ended on, was the same as it started, no matter how steep the slope is. Astronomy: Galileo built his own telescope with 3x magnification, it was based on descriptions of the first telescope, invented in the Netherlands. He also discovered the ...
Asteroids
... objects with an irregular shape that orbit the Sun but are too small and numerous to be considered planets. They are known as minor planets. Asteroids range in size from Ceres, which has a diameter of about 1000 km, down to the size of pebbles. Sixteen asteroids have a diameter of 240 km or greater. ...
... objects with an irregular shape that orbit the Sun but are too small and numerous to be considered planets. They are known as minor planets. Asteroids range in size from Ceres, which has a diameter of about 1000 km, down to the size of pebbles. Sixteen asteroids have a diameter of 240 km or greater. ...
Ch. 5 The Universe and Solar System
... • Kepler: 1600, German astronomer Johannes Kepler became Tycho’s assistant and used and studied Tycho’s records to describe planetary motion with mathematical laws. ...
... • Kepler: 1600, German astronomer Johannes Kepler became Tycho’s assistant and used and studied Tycho’s records to describe planetary motion with mathematical laws. ...
Life and fate of a star
... cool down without the power supply of the nuclear reactions. Such a remnant is called a white dwarf, and there is notably a faint white dwarf in the middle of the Ring Nebula. The Ring Nebula is the glowing remain of a star like our Sun. The outer layers of the star were ejected four thousand years ...
... cool down without the power supply of the nuclear reactions. Such a remnant is called a white dwarf, and there is notably a faint white dwarf in the middle of the Ring Nebula. The Ring Nebula is the glowing remain of a star like our Sun. The outer layers of the star were ejected four thousand years ...
answer key
... 1. How is parallax used to measure the distances to stars? Parallax is an object's apparent shift relative to some more distant background as the observer's point of view changes. By observing distant objects 6 months apart, we extend the parallax baseline to the diameter of Earth's orbit around the ...
... 1. How is parallax used to measure the distances to stars? Parallax is an object's apparent shift relative to some more distant background as the observer's point of view changes. By observing distant objects 6 months apart, we extend the parallax baseline to the diameter of Earth's orbit around the ...
THE SUN AND THE MOON
... The Sun and the Moon are the two largest objects in the sky that are visible to the naked eye. The Sun is the largest and most massive object in our Solar System. It is 1 AU away from the Earth and weighs an impressive 1.98 × 1030 kg. The Moon is our closest neighbor in the Solar System. It weighs ~ ...
... The Sun and the Moon are the two largest objects in the sky that are visible to the naked eye. The Sun is the largest and most massive object in our Solar System. It is 1 AU away from the Earth and weighs an impressive 1.98 × 1030 kg. The Moon is our closest neighbor in the Solar System. It weighs ~ ...
Chapter 2: Measuring Earth - Westmoreland Central School
... – Angular distance in degrees, north or south of equator – Lines of latitude run east-west and are called parallels. • Equator = 0 o latitude • North Pole = 90 oN latitude • South Pole = 90 oS latitude – Observer’s latitude in Northern Hemisphere is equal to altitude of Polaris (North Star). ...
... – Angular distance in degrees, north or south of equator – Lines of latitude run east-west and are called parallels. • Equator = 0 o latitude • North Pole = 90 oN latitude • South Pole = 90 oS latitude – Observer’s latitude in Northern Hemisphere is equal to altitude of Polaris (North Star). ...
Extra Questions Stellar properties
... 3 Barnard’s star, the star with the largest known proper motion in the skjy can be seen only with a telescope because its apparent magnitude is +9.54. Its distance from Earth is 1.81 parsecs. How much closer to Earth would it have to be in order to be visible to the naked eye? Suppose two stars have ...
... 3 Barnard’s star, the star with the largest known proper motion in the skjy can be seen only with a telescope because its apparent magnitude is +9.54. Its distance from Earth is 1.81 parsecs. How much closer to Earth would it have to be in order to be visible to the naked eye? Suppose two stars have ...
Space - SSHS Science 9
... • Distances in space are very large, so scientific notation is used to abbreviate these large measurements. • Using this notation, a number is written with a digit between 1 and 9 before the decimal, followed by a power of 10. ...
... • Distances in space are very large, so scientific notation is used to abbreviate these large measurements. • Using this notation, a number is written with a digit between 1 and 9 before the decimal, followed by a power of 10. ...
Exploring the Universe
... 1. The Big Bang Theory states that all matter and energy in the universe was compressed ...
... 1. The Big Bang Theory states that all matter and energy in the universe was compressed ...
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... 10. The CAI material in the Allende meteorite m A. is a sample of extraterrestrial life l B. was created at a very high temperature m C. appears in the form of round, glassy spherules m D. is dark, earthy, and carbonaceous m E. is evidence that Allende comes from Mars 11. Which of the followin ...
... 10. The CAI material in the Allende meteorite m A. is a sample of extraterrestrial life l B. was created at a very high temperature m C. appears in the form of round, glassy spherules m D. is dark, earthy, and carbonaceous m E. is evidence that Allende comes from Mars 11. Which of the followin ...
Wednesday, April 2 - Otterbein University
... which will be in units “parsecs” • By definition, d=1pc if p=1”, so convert d to A.U. by using trigonometry • To calculate p for star with d given in lightyears, use d=1/p but convert ly to pc. • Remember: 1 degree = 3600” • Note: p is half the angle the star moves in half a year ...
... which will be in units “parsecs” • By definition, d=1pc if p=1”, so convert d to A.U. by using trigonometry • To calculate p for star with d given in lightyears, use d=1/p but convert ly to pc. • Remember: 1 degree = 3600” • Note: p is half the angle the star moves in half a year ...
Sun - Blackboard
... They were believed to represent great heroes and mythological figures. Their position in the sky seemed to tell stories that were handed down from generation to generation over thousands of years. ...
... They were believed to represent great heroes and mythological figures. Their position in the sky seemed to tell stories that were handed down from generation to generation over thousands of years. ...
The Basics of the Universe
... After a supernova, a neutron star is leftover. It is the core of the previous star, and does not sustain nuclear fusion. They are very dense because the atoms are compressed to such an extent that only the nuclei are left, since the lack of fusion allows gravity to crush it. In fact, the size of the ...
... After a supernova, a neutron star is leftover. It is the core of the previous star, and does not sustain nuclear fusion. They are very dense because the atoms are compressed to such an extent that only the nuclei are left, since the lack of fusion allows gravity to crush it. In fact, the size of the ...
Stars Unit 1-2: Stars
... Elements in Stars • Scientists use spectral analysis to determine the composition of stars. – Spectral analysis is a process that uses a tool called a spectroscope to separate the different wavelengths of light coming from a star. – By observing which wavelengths are stronger, missing, or weaker, s ...
... Elements in Stars • Scientists use spectral analysis to determine the composition of stars. – Spectral analysis is a process that uses a tool called a spectroscope to separate the different wavelengths of light coming from a star. – By observing which wavelengths are stronger, missing, or weaker, s ...
Solar.System
... The orbits are nearly circular The orbits of the planets all lie in roughly the same plane The direction they orbit around the Sun is the same as the Sun’s rotation on its axis The direction most planets rotate on their axes is the same as that for the Sun The direction of a planet’s moon orbits is ...
... The orbits are nearly circular The orbits of the planets all lie in roughly the same plane The direction they orbit around the Sun is the same as the Sun’s rotation on its axis The direction most planets rotate on their axes is the same as that for the Sun The direction of a planet’s moon orbits is ...
