![19Nov_2014](http://s1.studyres.com/store/data/008081014_1-73baea7839396c53cbe9b8259f963a04-300x300.png)
19Nov_2014
... been demonstrated many times, including by observations of the orbit of Mercury • The slowing of clocks has been demonstrated as well! ...
... been demonstrated many times, including by observations of the orbit of Mercury • The slowing of clocks has been demonstrated as well! ...
presentation source
... 1951 Ewen & Purcell detect 21-cm emission from interstellar hydrogen out the window of Harvard’s Jefferson Labs (appreciated as massive amounts of gas, but not concentrated on Bok Globules…) ...
... 1951 Ewen & Purcell detect 21-cm emission from interstellar hydrogen out the window of Harvard’s Jefferson Labs (appreciated as massive amounts of gas, but not concentrated on Bok Globules…) ...
Homework #3 MHC Astronomy 100/101/110 Prof. Stage For ALL the
... is a graph of luminosity vs. time. Consider Wien’s law. Answers should not be numerical, e.g., “50 solar luminosities at this time”, but should show qualitatively what is going on.) 7. (4pts) How many times greater is the Earth’s gravitational force on the Moon than the Moon’s gravitational forc ...
... is a graph of luminosity vs. time. Consider Wien’s law. Answers should not be numerical, e.g., “50 solar luminosities at this time”, but should show qualitatively what is going on.) 7. (4pts) How many times greater is the Earth’s gravitational force on the Moon than the Moon’s gravitational forc ...
L2-January 10/08
... Earth’s rotational axis is always inclined 23.5o to its orbital plane – but slowly precession changes the direction in the sky that marks north… Currently NCP ~ Polaris; in ~13,000yr ~ Vega ...
... Earth’s rotational axis is always inclined 23.5o to its orbital plane – but slowly precession changes the direction in the sky that marks north… Currently NCP ~ Polaris; in ~13,000yr ~ Vega ...
Sky Watching Talk
... of constellations closest to the Ecliptic (Sun’s yearly path across the sky) Correspond to Horoscope “Signs” –Astrology used to make predictions (not science!) Useful ...
... of constellations closest to the Ecliptic (Sun’s yearly path across the sky) Correspond to Horoscope “Signs” –Astrology used to make predictions (not science!) Useful ...
Star Properties and Stellar Evolution
... stars are negative. Each number of magnitude equals a 2.5 difference from the previous number. ...
... stars are negative. Each number of magnitude equals a 2.5 difference from the previous number. ...
The Size of the Solar System
... should include your sketch on the same paper as the planet it orbits. Label the picture. Decide which end of the hallway to start at. Tape the picture of the Sun to the wall. Then measure from the wall and place Mercury on the wall at the appropriate distance. Then measure from Mercury to Venus and ...
... should include your sketch on the same paper as the planet it orbits. Label the picture. Decide which end of the hallway to start at. Tape the picture of the Sun to the wall. Then measure from the wall and place Mercury on the wall at the appropriate distance. Then measure from Mercury to Venus and ...
General Astronomy - Stockton University
... In 1881, Pickering hired Fleming to do clerical work at the observatory. While there, she devised and helped implement a system of assigning stars a letter according to how much hydrogen could be observed in their spectra. Later, Annie Jump Cannon would improve upon this work to develop a simpler cl ...
... In 1881, Pickering hired Fleming to do clerical work at the observatory. While there, she devised and helped implement a system of assigning stars a letter according to how much hydrogen could be observed in their spectra. Later, Annie Jump Cannon would improve upon this work to develop a simpler cl ...
Star and Sun Properties
... Day 1: What Are Stars? A star is a large celestial body that is composed of hot gas and that emits light; the sun is a typical star • The Sun, our closest star, is 93 million miles from Earth. • The next closest star is 4.3 lighter years away. • By mass, the Sun is 71 % Hydrogen, 27% helium and t ...
... Day 1: What Are Stars? A star is a large celestial body that is composed of hot gas and that emits light; the sun is a typical star • The Sun, our closest star, is 93 million miles from Earth. • The next closest star is 4.3 lighter years away. • By mass, the Sun is 71 % Hydrogen, 27% helium and t ...
Phys 1533 Descriptive Astronomy
... ask another group. • If you get really stuck or don’t understand what the Lecture Tutorial is asking, ask me for clarification. ...
... ask another group. • If you get really stuck or don’t understand what the Lecture Tutorial is asking, ask me for clarification. ...
food for thought - Boulder Ensemble Theatre Company
... confirmation of her Cepheid variable theory with corresponding linear equations for this period-luminosity relationship. Ejnar Herzsprung presents an “H-R” diagram to the Royal Astronomical Society that plots stars on a graph measuring each star's brightness against its temperature (color). ...
... confirmation of her Cepheid variable theory with corresponding linear equations for this period-luminosity relationship. Ejnar Herzsprung presents an “H-R” diagram to the Royal Astronomical Society that plots stars on a graph measuring each star's brightness against its temperature (color). ...
Lecture Summary (11/22)
... was left of the star that blew up. If the core mass is greater than three solar masses after a supernova, even the neutrons are forced together and the result is the formation of a black hole. Even though light can't escape from beyond the event horizon, astronomers believe that they have detected b ...
... was left of the star that blew up. If the core mass is greater than three solar masses after a supernova, even the neutrons are forced together and the result is the formation of a black hole. Even though light can't escape from beyond the event horizon, astronomers believe that they have detected b ...
PHYS3380_111115_bw - The University of Texas at Dallas
... simultaneously detected neutrino burst, and the entire neutrino capture events lasted 12s. This occurred before the SN was optically detected (or could have become visible). Time for shock wave to reach stellar surface (~1 hour). Significant result of observations: - neutrinos and antineutrinos both ...
... simultaneously detected neutrino burst, and the entire neutrino capture events lasted 12s. This occurred before the SN was optically detected (or could have become visible). Time for shock wave to reach stellar surface (~1 hour). Significant result of observations: - neutrinos and antineutrinos both ...
Chapter 3 The Science of Astronomy Agenda Stony Brook Lectures
... solar system (planetary distances in AU) But . . . • Model was no more accurate than Ptolemaic model in predicting planetary positions, because it still used perfect circles. ...
... solar system (planetary distances in AU) But . . . • Model was no more accurate than Ptolemaic model in predicting planetary positions, because it still used perfect circles. ...
Astronomical Imaging: Overview
... • Decrease of 1 magnitude object brighter by factor of 2.5 – decrease of 5 magnitudes from one star to another star increase in brightness by factor 100 – decrease of 2.5 magnitudes from one star to another increase in brightness by factor 10 ...
... • Decrease of 1 magnitude object brighter by factor of 2.5 – decrease of 5 magnitudes from one star to another star increase in brightness by factor 100 – decrease of 2.5 magnitudes from one star to another increase in brightness by factor 10 ...
Scientists of the Scientific Revolution
... Motion: Rest is natural. Heaven & Earth: The heavens are different stuff from Earth – light, airy, and perfect Matter: Earth, Air, Fire, Water ...
... Motion: Rest is natural. Heaven & Earth: The heavens are different stuff from Earth – light, airy, and perfect Matter: Earth, Air, Fire, Water ...
Name
... B) the varying speed of the Earth in its orbit about the Sun. C) the precession of the Earth's rotation axis. D) the tilt of the Earth's rotation axis relative to the ecliptic. E) the tilt of the Moon's orbital plane relative to the ecliptic. 36) Which object is not considered a star? A) The Sun B) ...
... B) the varying speed of the Earth in its orbit about the Sun. C) the precession of the Earth's rotation axis. D) the tilt of the Earth's rotation axis relative to the ecliptic. E) the tilt of the Moon's orbital plane relative to the ecliptic. 36) Which object is not considered a star? A) The Sun B) ...
Instrumentation for Cosmology
... Suppose the age of the galaxy is 10 billion years. Its inner regions rotate once in 200 million years… Therefore, we’d expect about 50 turns. The galaxy would look like a clock spring. ...
... Suppose the age of the galaxy is 10 billion years. Its inner regions rotate once in 200 million years… Therefore, we’d expect about 50 turns. The galaxy would look like a clock spring. ...
Interstellar clouds
... per second. • In some 5 billion years from now the sun’s life will come to an end. • The more massive a star the shorter its life time, since increasing the mass/gravity increases the rate of nuclear fusion. ...
... per second. • In some 5 billion years from now the sun’s life will come to an end. • The more massive a star the shorter its life time, since increasing the mass/gravity increases the rate of nuclear fusion. ...