Stars, Galaxies, and the Universe
... Stars change over their life cycle Classify stars by their characteristics Like our Sun, stars are huge balls of glowing gas that produce energy by fusion Stars look like small points of light because they are very far away Amount of light from a star and distance determine brightness to us ...
... Stars change over their life cycle Classify stars by their characteristics Like our Sun, stars are huge balls of glowing gas that produce energy by fusion Stars look like small points of light because they are very far away Amount of light from a star and distance determine brightness to us ...
Document
... Philosophy • Understand the process of scientific investigation. • Learn some astronomy. The details are not so important, the fact that we have been able to learn so much about the Universe is a more important point. ...
... Philosophy • Understand the process of scientific investigation. • Learn some astronomy. The details are not so important, the fact that we have been able to learn so much about the Universe is a more important point. ...
Introduction: Where and When Are We in the Universe?
... Sun to us: 8 light minutes A light year is 9½ trillion miles Light year – Distance light travels in a year (not an amount of time) A telescope can be called a time machine Your eye is a time machine o Galactic cluster/group – A few dozen galaxies Clusters – Have hundreds of major galaxie ...
... Sun to us: 8 light minutes A light year is 9½ trillion miles Light year – Distance light travels in a year (not an amount of time) A telescope can be called a time machine Your eye is a time machine o Galactic cluster/group – A few dozen galaxies Clusters – Have hundreds of major galaxie ...
Our Place in the Universe: Sizing up the Heavens
... temperature, distance. •Color (spectrum) and apparent variations through time composition, temperature, direction of motion and velocity relative to observer. •Apparent Size and shape and variations through time stars, galaxies, nebula (clouds of dust and gas), comets, planets, etc. ...
... temperature, distance. •Color (spectrum) and apparent variations through time composition, temperature, direction of motion and velocity relative to observer. •Apparent Size and shape and variations through time stars, galaxies, nebula (clouds of dust and gas), comets, planets, etc. ...
The Big Bang Theory
... • 1) Many other galaxies exist (not just the milky way). • 2) All galaxies are getting farther apart from each other (2 evidences support this theory). This means that the universe is expanding and this was most likely caused by the big bang. ...
... • 1) Many other galaxies exist (not just the milky way). • 2) All galaxies are getting farther apart from each other (2 evidences support this theory). This means that the universe is expanding and this was most likely caused by the big bang. ...
Refraction - Pharos University in Alexandria
... As light moves from a medium, such as air, water, or glass, into another it may change its propagation direction in proportion to the change in refractive index. This refraction is governed by Snell's law, ...
... As light moves from a medium, such as air, water, or glass, into another it may change its propagation direction in proportion to the change in refractive index. This refraction is governed by Snell's law, ...
P5 definitions
... The distance from the optical centre of a lens to its focus The plane that includes the focus (focal point) Focus (of a lens) (of a lens or mirror) the point to which rays of light converge or from which they diverge Number of vibrations per second, frequency is measured in Hertz (Hz). Light and dar ...
... The distance from the optical centre of a lens to its focus The plane that includes the focus (focal point) Focus (of a lens) (of a lens or mirror) the point to which rays of light converge or from which they diverge Number of vibrations per second, frequency is measured in Hertz (Hz). Light and dar ...
5X_Measuring_galaxy_redshifts
... Many spectrographs use reflection gratings, which work by the constructive interference of light: nλ = a(sinα + - sinβ) where n is the order number Angle θ is the blaze angle, which concentrates the light in a general direction, favouring one or more of the orders. The beams reflected off the grati ...
... Many spectrographs use reflection gratings, which work by the constructive interference of light: nλ = a(sinα + - sinβ) where n is the order number Angle θ is the blaze angle, which concentrates the light in a general direction, favouring one or more of the orders. The beams reflected off the grati ...
space
... minute is 60 times that number. Our next destination is the Moon. It is 1.5 light seconds from the Earth. Current evidence suggests that the moon may have been blasted away from the earth about 4.5 billion years ago in a massive collision with the newly formed Earth. Venus is about 2 minutes away wh ...
... minute is 60 times that number. Our next destination is the Moon. It is 1.5 light seconds from the Earth. Current evidence suggests that the moon may have been blasted away from the earth about 4.5 billion years ago in a massive collision with the newly formed Earth. Venus is about 2 minutes away wh ...
No Slide Title
... If it takes 48 months for the light from a star to reach the Earth, how far away is that star. ...
... If it takes 48 months for the light from a star to reach the Earth, how far away is that star. ...
Notes 2-3
... You would not expect light to bend if it entered corn oil at an angle after traveling through glycerol, because corn oil and glycerol have the same value for the index of refraction. ...
... You would not expect light to bend if it entered corn oil at an angle after traveling through glycerol, because corn oil and glycerol have the same value for the index of refraction. ...
MasteringPhysics: Assignmen
... In other words, it would be possible for the earth to orbit the black hole at the same distance that it is from the sun without falling into the event horizon. However, since the black hole is much more massive than the sun, the speed of the earth's orbit would be incredibly high. In fact, if our su ...
... In other words, it would be possible for the earth to orbit the black hole at the same distance that it is from the sun without falling into the event horizon. However, since the black hole is much more massive than the sun, the speed of the earth's orbit would be incredibly high. In fact, if our su ...
Light Years - Spring Creek Elementary
... 7,440,000,000 miles, 80 AU, or about .00127 light years. That actually makes it sound small! The closest star to our Solar System is Proxima Centauri in the Alpha Centauri star system, which is about 4.4 light years away. The largest star within ten light years is Sirius. It is about 8.6 light year ...
... 7,440,000,000 miles, 80 AU, or about .00127 light years. That actually makes it sound small! The closest star to our Solar System is Proxima Centauri in the Alpha Centauri star system, which is about 4.4 light years away. The largest star within ten light years is Sirius. It is about 8.6 light year ...
1 Dark matter and dark energy comprise over 90% of the Universe
... Dark matter and dark energy comprise over 90% of the Universe. Dark matter has not been detected, cannot be seen and fails to emit electromagnetic radiation that we can detect. In the Universe, the ratio of the average density of matter and energy is the density parameter (Ω0) and is referenced in d ...
... Dark matter and dark energy comprise over 90% of the Universe. Dark matter has not been detected, cannot be seen and fails to emit electromagnetic radiation that we can detect. In the Universe, the ratio of the average density of matter and energy is the density parameter (Ω0) and is referenced in d ...
supplemental educational materials PDF
... Telescope Science Institute are astronomers. Astronomers from all over the world use the Hubble Space Telescope. ...
... Telescope Science Institute are astronomers. Astronomers from all over the world use the Hubble Space Telescope. ...
Beyond the Big Bang The Universe
... 12. ___________________ created physics. 13. Albert Einstein was born in what country? ____________________ 14. The larger the mass of an object, does it distort space-time (more or less?) circle 15. Relativity says the Universe can’t be static, it must be ___________________. 16. Religion and scien ...
... 12. ___________________ created physics. 13. Albert Einstein was born in what country? ____________________ 14. The larger the mass of an object, does it distort space-time (more or less?) circle 15. Relativity says the Universe can’t be static, it must be ___________________. 16. Religion and scien ...
Introduction Cosmology Cosmetics Cosmetology ..Greek words
... Stars, Galaxies, blackholes etc. (large scale) Protons, electrons etc. (small scale) The in-between are “details” ...
... Stars, Galaxies, blackholes etc. (large scale) Protons, electrons etc. (small scale) The in-between are “details” ...
here
... A geodesic – the “shortest possible path”** a body can take between two points in spacetime (with no external forces). Particles with mass ...
... A geodesic – the “shortest possible path”** a body can take between two points in spacetime (with no external forces). Particles with mass ...
Document
... known as the Large Magellanic Cloud that lies just beyond the Milky Way. The star, known in modern times as Sanduleak 69202, was a blue supergiant 25 times more massive than the Sun. Such explosions distribute all the common elements such as Oxygen, Carbon, Nitrogen, Calcium and Iron into interstell ...
... known as the Large Magellanic Cloud that lies just beyond the Milky Way. The star, known in modern times as Sanduleak 69202, was a blue supergiant 25 times more massive than the Sun. Such explosions distribute all the common elements such as Oxygen, Carbon, Nitrogen, Calcium and Iron into interstell ...
Observations of gravitational microlensing events with OSIRIS
... between lens and source star, and their relative proper motion as seen from the observer, while none of these quantities can be determined individually. About 5 % of the microlensing events can be expected to involve a configuration where the source star passes over the extended caustic pattern crea ...
... between lens and source star, and their relative proper motion as seen from the observer, while none of these quantities can be determined individually. About 5 % of the microlensing events can be expected to involve a configuration where the source star passes over the extended caustic pattern crea ...
