Integrative Studies 410 Our Place in the Universe
... The Missing Mass Problem • Dark Matter is dark at all wavelengths, not just visible light • The Universe as a whole consists of up to 25% of Dark Matter! Strange! • What is it? ...
... The Missing Mass Problem • Dark Matter is dark at all wavelengths, not just visible light • The Universe as a whole consists of up to 25% of Dark Matter! Strange! • What is it? ...
here
... Q9: What are white dwarfs (and neutron stars) made of? A9: Consider the following mental experiment. Take a gas of mass M and confine it by some force into a certain volume V . In a main sequence star, that force is given by the selfgravity, and the volume will adjust itself to a certain equilibriu ...
... Q9: What are white dwarfs (and neutron stars) made of? A9: Consider the following mental experiment. Take a gas of mass M and confine it by some force into a certain volume V . In a main sequence star, that force is given by the selfgravity, and the volume will adjust itself to a certain equilibriu ...
Earth
... matter in the universe, with all other elements constituting < 2%. •High % of He argues strongly for the big bang model, since other models gave very low %. •Since no known process significantly changes this H/He ratio, it is taken to be the ratio which existed at the time when the deuteron became s ...
... matter in the universe, with all other elements constituting < 2%. •High % of He argues strongly for the big bang model, since other models gave very low %. •Since no known process significantly changes this H/He ratio, it is taken to be the ratio which existed at the time when the deuteron became s ...
Activity 1 - Galaxies
... Matter was thrown out in all directions forming stars and galaxies. Both Space and time were created in the Big Bang. However the Big Bang theory had some competition… ...
... Matter was thrown out in all directions forming stars and galaxies. Both Space and time were created in the Big Bang. However the Big Bang theory had some competition… ...
distance to the centre of the Milky Way.
... The ‘Universe’ was Resized After Shapley: we knew we were about 2/3 of the way out from the very centre of a huge stellar system, now known to be about 100,000 light years in diameter. Note that Shapley actually overestimated the distances somewhat, because he didn’t fully understand the effects of ...
... The ‘Universe’ was Resized After Shapley: we knew we were about 2/3 of the way out from the very centre of a huge stellar system, now known to be about 100,000 light years in diameter. Note that Shapley actually overestimated the distances somewhat, because he didn’t fully understand the effects of ...
Order of Magnitude and Estimation
... 4. A rough estimate for the volume of your body in cm 3 would be closest to A) ...
... 4. A rough estimate for the volume of your body in cm 3 would be closest to A) ...
universe.pps - Prophet Muhammad For All
... The map shows several stars visible with the naked eye which are located deep within the Orion arm. The most notable group of stars here are main stars in the constellation of Orion -from which the spiral arm gets its name. All of these stars are bright giant and supergiant -stars, thousands of time ...
... The map shows several stars visible with the naked eye which are located deep within the Orion arm. The most notable group of stars here are main stars in the constellation of Orion -from which the spiral arm gets its name. All of these stars are bright giant and supergiant -stars, thousands of time ...
PowerPoint 演示文稿
... The CLF allows one to compute the average relation between halo mass and the luminosity of the central galaxy. ...
... The CLF allows one to compute the average relation between halo mass and the luminosity of the central galaxy. ...
Measuring the Masses of Galaxies in the Sloan Digital Sky Survey
... It tells us the relative size of the Universe now with respect to the size of the Universe when light left the galaxy (or quasar). (1 + z) = (size now) / (size then) ...
... It tells us the relative size of the Universe now with respect to the size of the Universe when light left the galaxy (or quasar). (1 + z) = (size now) / (size then) ...
SUMMARY The Earth is one of eight planets orbiting the Sun, and
... Superclusters seem to be grouped into even larger systems that fill the visible Universe. We can speak with some certainty about the size and properties of objects in our immediate neighborhood, but the farther we move from Earth, the less certain we become. Astronomers use the astronomical unit (AU ...
... Superclusters seem to be grouped into even larger systems that fill the visible Universe. We can speak with some certainty about the size and properties of objects in our immediate neighborhood, but the farther we move from Earth, the less certain we become. Astronomers use the astronomical unit (AU ...
galaxy - 106Thursday130-430
... • It is not the ordinary matter of stars, gas , dust, and planets. • The visible matter is surrounded by a halo of this dark matter containing the major portion of the total galaxy mass and extending very far beyond the visible matter. Some indirect means suggest that the dark matter halo may extend ...
... • It is not the ordinary matter of stars, gas , dust, and planets. • The visible matter is surrounded by a halo of this dark matter containing the major portion of the total galaxy mass and extending very far beyond the visible matter. Some indirect means suggest that the dark matter halo may extend ...
Formation of the Solar System
... The Milky Way galaxy is an immense collection of material, such that the size is very difficult to imagine. Given that one light year is the distance light travels in one year, travelling at a speed of over one billion kilometres per hour, and that a light year equals nearly 10 trillion kilometres, ...
... The Milky Way galaxy is an immense collection of material, such that the size is very difficult to imagine. Given that one light year is the distance light travels in one year, travelling at a speed of over one billion kilometres per hour, and that a light year equals nearly 10 trillion kilometres, ...
LECTURE 2: I.Our Place in the Universe
... Telescopes gather light emitted from objects in the universe ...
... Telescopes gather light emitted from objects in the universe ...
To Infinity….and Beyond!!!
... students are allowed to work in groups, in some cases as a class, to solve the problems. Part3: Students can be assigned an object in space to carry outside. Students should note the size of each object before being distributed to the students. Some type of marker (example: orange cones) should be p ...
... students are allowed to work in groups, in some cases as a class, to solve the problems. Part3: Students can be assigned an object in space to carry outside. Students should note the size of each object before being distributed to the students. Some type of marker (example: orange cones) should be p ...
Slide 1
... universe, its origin, and its future. foundation: Einstein’s general theory of relativity and its theory of gravitation—for in the large-scale structure of the universe, gravity is the dominant force. ...
... universe, its origin, and its future. foundation: Einstein’s general theory of relativity and its theory of gravitation—for in the large-scale structure of the universe, gravity is the dominant force. ...
Spring 2014 Astronomy Exam Study Guide (Co-Taught)
... 22. What is the primary factor which determines the type of electromagnetic radiation emitted by astronomical objects? 23. Why are telescopes sensitive to infrared, ultraviolet, X-ray, and gamma-ray wavelengths placed in space and why is it difficult to observe those wavelengths using land-based te ...
... 22. What is the primary factor which determines the type of electromagnetic radiation emitted by astronomical objects? 23. Why are telescopes sensitive to infrared, ultraviolet, X-ray, and gamma-ray wavelengths placed in space and why is it difficult to observe those wavelengths using land-based te ...
THE INCREDIBLE ORIGIN OF THE CHEMICAL ELEMENTS
... Particles of matter falling towards a common centre of gravity accelerate and so gain kinetic energy: the matter becomes hotter. In the centre of such a mass of matter, the temperature eventually becomes high enough (about 10 million °C) to allow nuclear fusion to take place. Hydrogen nuclei collid ...
... Particles of matter falling towards a common centre of gravity accelerate and so gain kinetic energy: the matter becomes hotter. In the centre of such a mass of matter, the temperature eventually becomes high enough (about 10 million °C) to allow nuclear fusion to take place. Hydrogen nuclei collid ...
Space ppt
... • Our star (Sun), the planets, many moons, and other small bodies that ALL travel around the Sun. ...
... • Our star (Sun), the planets, many moons, and other small bodies that ALL travel around the Sun. ...
Light – Photons 3 Ways their ENERGY (color) is Useful to you as an
... n The chemistry of the various compounds absorbs/reflects different energies (colors) of light, again due to quantum effects of electrons interacting/or not, with incoming photons. Another method to analyze ...
... n The chemistry of the various compounds absorbs/reflects different energies (colors) of light, again due to quantum effects of electrons interacting/or not, with incoming photons. Another method to analyze ...
Phys 214. Planets and Life
... about three fourths hydrogen and one fourth helium by mass, being a closed match to the overall chemical composition of the universe. This prediction implies that the universe was born only with light elements, such as hydrogen and helium, and traces of lithium. Consequently, the universe was born w ...
... about three fourths hydrogen and one fourth helium by mass, being a closed match to the overall chemical composition of the universe. This prediction implies that the universe was born only with light elements, such as hydrogen and helium, and traces of lithium. Consequently, the universe was born w ...
Lecture 7
... bubble-like or “frothy” structure. The pattern of superclusters, walls, and voids is called large-scale structure (LSS). On still larger scales, the Universe seems to be uniform. The “end of greatness” has been reached. 4) Galaxies, groups, clusters, walls, and superclusters all formed from gravity ...
... bubble-like or “frothy” structure. The pattern of superclusters, walls, and voids is called large-scale structure (LSS). On still larger scales, the Universe seems to be uniform. The “end of greatness” has been reached. 4) Galaxies, groups, clusters, walls, and superclusters all formed from gravity ...
The Size and Structure of the Milky Way Galaxy
... Dark Matter: A Major Problem for Contemporary Physics and Astronomy • Stars are a small fraction of the mass of major galaxies • The dark matter problem becomes more pronounced as you go out in the universe • The form of the dark matter is unknown; probably not what you studied in chemistry • Possi ...
... Dark Matter: A Major Problem for Contemporary Physics and Astronomy • Stars are a small fraction of the mass of major galaxies • The dark matter problem becomes more pronounced as you go out in the universe • The form of the dark matter is unknown; probably not what you studied in chemistry • Possi ...
deep space - altaastronomy
... • If they are black how do we know they are there? • Black holes can be found by: • 1. Their gravitational effects on other objects. • 2. X-ray radiation from material falling into the black hole. ...
... • If they are black how do we know they are there? • Black holes can be found by: • 1. Their gravitational effects on other objects. • 2. X-ray radiation from material falling into the black hole. ...
8Sept103_2014
... • Hypotheses that pass rigorous testing become Laws (more mathematical) or Theories (described using both words and equations). ...
... • Hypotheses that pass rigorous testing become Laws (more mathematical) or Theories (described using both words and equations). ...