Gresham Lecture, Wednesday 15 December 2010 Unsolved
... it by the huge number of neutrinos present in the Universe, we obtain a contribution to the total mass of the Universe which is slightly less than that from visible matter. As they are moving at the speed of light they form what is called “hot dark matter”. If there were too much hot dark matter it ...
... it by the huge number of neutrinos present in the Universe, we obtain a contribution to the total mass of the Universe which is slightly less than that from visible matter. As they are moving at the speed of light they form what is called “hot dark matter”. If there were too much hot dark matter it ...
Lecture2 - UCSB Physics
... galaxies contain old stars • Ellipticals are made of OLD stars, older than our own star (4.5 billion years old) • They contain very little gas or grains of solid materials (that astronomers call “dust”) ...
... galaxies contain old stars • Ellipticals are made of OLD stars, older than our own star (4.5 billion years old) • They contain very little gas or grains of solid materials (that astronomers call “dust”) ...
What kind of stuff
... galaxies contain old stars • Ellipticals are made of OLD stars, older than our own star (4.5 billion years old) • They contain very little gas or grains of solid materials (that astronomers call “dust”) ...
... galaxies contain old stars • Ellipticals are made of OLD stars, older than our own star (4.5 billion years old) • They contain very little gas or grains of solid materials (that astronomers call “dust”) ...
Big bang, red shift and doppler effect
... The diagram shows a teacher using a loudspeaker to demonstrate an important effect. The loudspeaker, which produces a note of constant frequency, is swung around in a circle. ...
... The diagram shows a teacher using a loudspeaker to demonstrate an important effect. The loudspeaker, which produces a note of constant frequency, is swung around in a circle. ...
Article: How Big is our Universe
... expanse of the universe. And the journey continues today, as new methods are used, and new discoveries are made. (To learn more about distance, visit How Big is Our Universe.) In the third century B.C., Aristarchus of Samos asked the question 'How far away is the Moon?' He was able to measure the di ...
... expanse of the universe. And the journey continues today, as new methods are used, and new discoveries are made. (To learn more about distance, visit How Big is Our Universe.) In the third century B.C., Aristarchus of Samos asked the question 'How far away is the Moon?' He was able to measure the di ...
Review Sheet and Study Hints - Tufts Institute of Cosmology
... How does this age differ for an open critical and closed universe B able to calculate the age of the critical Universe The need for an accelerating universe Ho, qo and Definitions of all of them Be able to summarize efforts and challenges in determining Ho Be able to summarize (at le ...
... How does this age differ for an open critical and closed universe B able to calculate the age of the critical Universe The need for an accelerating universe Ho, qo and Definitions of all of them Be able to summarize efforts and challenges in determining Ho Be able to summarize (at le ...
pptx
... its rotation causes the formation of a disc around the young star the gas forming the young star heats up as the star contracts the increased pressure causes jets of gas to be emitted from the poles of the young star conversion of gravitational energy to ...
... its rotation causes the formation of a disc around the young star the gas forming the young star heats up as the star contracts the increased pressure causes jets of gas to be emitted from the poles of the young star conversion of gravitational energy to ...
Name
... 32. The first evidence of solid matter around a star other than our sun was discovered on the star called ___________________________ This solid material is expected to some day form ______________________. 33. Our sun and planets were believed to have started forming about ____________years ago. 34 ...
... 32. The first evidence of solid matter around a star other than our sun was discovered on the star called ___________________________ This solid material is expected to some day form ______________________. 33. Our sun and planets were believed to have started forming about ____________years ago. 34 ...
Educator`s Guide to the Cullman Hall of the Universe, Heilbrunn
... time to travel, the farther out into space we look, the further back in time we see. When we flip a switch we see the light almost instantly, but sunlight is eight minutes old, light from nearby stars has taken years or centuries to reach us, and light from distant galaxies can be millions or even b ...
... time to travel, the farther out into space we look, the further back in time we see. When we flip a switch we see the light almost instantly, but sunlight is eight minutes old, light from nearby stars has taken years or centuries to reach us, and light from distant galaxies can be millions or even b ...
Dark matter
... The weird reason for thinking that dark energy exists: Einstein found that a component of the universe whose energy density was constant in time and space would provide a repulsive force. Yes, this is an unexpected result: Newton would not approve! ...
... The weird reason for thinking that dark energy exists: Einstein found that a component of the universe whose energy density was constant in time and space would provide a repulsive force. Yes, this is an unexpected result: Newton would not approve! ...
Type Ia supernovae and the ESSENCE supernova survey
... What was needed was a systematic search carried out on the same telescope, with the same camera, and with the same filters. ...
... What was needed was a systematic search carried out on the same telescope, with the same camera, and with the same filters. ...
Astr 3020 Cosmology Samples for Exam 2 Foundations of Modern
... To explain the motions of the planets, sun, moon and stars, Eudoxus used a) a single sphere rotating at a uniform rate around the Earth. b) a system of 27 spheres whose axis of rotation are tilted with respect to each other, each rotating at a different rate to produce the daily, annual and retrogra ...
... To explain the motions of the planets, sun, moon and stars, Eudoxus used a) a single sphere rotating at a uniform rate around the Earth. b) a system of 27 spheres whose axis of rotation are tilted with respect to each other, each rotating at a different rate to produce the daily, annual and retrogra ...
Astronomy 350 Fall 2011 Homework #1
... explains them. (b) [5 points] How would you make a scientific argument against the geocentric model to someone in the year Y0K? That is, build your argument based only on naked-eye observations, not any based on telescopes, spacecraft, airplanes, or other modern technology. 2. A Gut Feeling for Time ...
... explains them. (b) [5 points] How would you make a scientific argument against the geocentric model to someone in the year Y0K? That is, build your argument based only on naked-eye observations, not any based on telescopes, spacecraft, airplanes, or other modern technology. 2. A Gut Feeling for Time ...
No Slide Title
... The Life Cycle of Stars, continued • The sun will become a red giant before it dies. – As fusion slows, the outer layers of the sun will expand. – The sun will become a red giant. • red giant: a large, reddish star late in its life cycle – When the sun runs out of helium, the outer layers will expan ...
... The Life Cycle of Stars, continued • The sun will become a red giant before it dies. – As fusion slows, the outer layers of the sun will expand. – The sun will become a red giant. • red giant: a large, reddish star late in its life cycle – When the sun runs out of helium, the outer layers will expan ...
THE UNIVERSE - - GRADE 9, UNIT 4 (4 weeks)
... 1. Students design a travel brochure about a manned flight to a galaxy beyond our solar system and the Milky Way Galaxy. The journey must visit at least one star beyond our galaxy. Students create a visual display of information (e.g., poster, drawing, brochure, comic book) describing the journey th ...
... 1. Students design a travel brochure about a manned flight to a galaxy beyond our solar system and the Milky Way Galaxy. The journey must visit at least one star beyond our galaxy. Students create a visual display of information (e.g., poster, drawing, brochure, comic book) describing the journey th ...
TAKS Study Guide - Northwest ISD Moodle
... 4. What is the difference between surface water and groundwater? 5. What is a watershed? 6. What is an aquifer? What happens if we pump too much water out? 7. Draw a picture of the water cycle including the following terms: evaporation, condensation, ...
... 4. What is the difference between surface water and groundwater? 5. What is a watershed? 6. What is an aquifer? What happens if we pump too much water out? 7. Draw a picture of the water cycle including the following terms: evaporation, condensation, ...
Chapter 5 Notes
... 5. The collapsed core of a supernova may form a __________ _______ of extremely high density 6. A tremendously big supernova core can collapse to a point with no volume forming a __________ _________. a. _____________ is so strong not even light can escape ...
... 5. The collapsed core of a supernova may form a __________ _______ of extremely high density 6. A tremendously big supernova core can collapse to a point with no volume forming a __________ _________. a. _____________ is so strong not even light can escape ...
What Do We Really Know About the Universe?
... proved by logically coherent evidence to be true but because the only alternative, special creation, is clearly incredible.” D.M.S. Watson, “Adaptation,” Nature, Vol. 123 (1929), p.233 ...
... proved by logically coherent evidence to be true but because the only alternative, special creation, is clearly incredible.” D.M.S. Watson, “Adaptation,” Nature, Vol. 123 (1929), p.233 ...
Scientific Revolution
... understanding (i.e., calculating and measuring) the variation in properties (such as velocities) which may be altered in infinitesimal differences, that is, in properties that are continuous. In our study at home we may have 200 books or 2,000, or 2,001, but we don’t have 200 ¾ books, or 2001 ½. How ...
... understanding (i.e., calculating and measuring) the variation in properties (such as velocities) which may be altered in infinitesimal differences, that is, in properties that are continuous. In our study at home we may have 200 books or 2,000, or 2,001, but we don’t have 200 ¾ books, or 2001 ½. How ...
ASTR 100 - College of San Mateo
... lecture in the planetarium. These lectures are in Powerpoint format and uploaded to the instructor's website, for easy access by the student. CSM 's GOTO HYBRID star projector is used extensively and enables students to see the effects of precession, diurnal motion, lunar phases and the effect of on ...
... lecture in the planetarium. These lectures are in Powerpoint format and uploaded to the instructor's website, for easy access by the student. CSM 's GOTO HYBRID star projector is used extensively and enables students to see the effects of precession, diurnal motion, lunar phases and the effect of on ...
Name
... 17. Explain the big bang theory in as much detail as possible. Make sure you answer the following questions: 1. Is the universe expanding or getting smaller? 2. What evidence did the WMAP provide scientists about the big bang? 3. Is the universe cooling or getting hotter? Less or more dense? 4. How ...
... 17. Explain the big bang theory in as much detail as possible. Make sure you answer the following questions: 1. Is the universe expanding or getting smaller? 2. What evidence did the WMAP provide scientists about the big bang? 3. Is the universe cooling or getting hotter? Less or more dense? 4. How ...
How Big is the Universe
... Objective – After reading an article, I can identify characteristics of the universe. ...
... Objective – After reading an article, I can identify characteristics of the universe. ...