Intro to Astronomy
... His assistant named Johannes Kepler continued TB’s work by analyzing the planets’ orbits and mapped Mar’s orbit. He thought the orbit was round but his calculations did not match up. He discovered that the orbit must not be circular but an ellipse. ...
... His assistant named Johannes Kepler continued TB’s work by analyzing the planets’ orbits and mapped Mar’s orbit. He thought the orbit was round but his calculations did not match up. He discovered that the orbit must not be circular but an ellipse. ...
distances_in_space
... • The distance from our Sun to the next nearest star is 4.1 x 1013 km • Because these numbers get so large, astronomers have come up with another way to measure distance, the light year ▫ The distance that light travels in one year is equal to one light year ▫ Light travels at a speed of 3 x 105km i ...
... • The distance from our Sun to the next nearest star is 4.1 x 1013 km • Because these numbers get so large, astronomers have come up with another way to measure distance, the light year ▫ The distance that light travels in one year is equal to one light year ▫ Light travels at a speed of 3 x 105km i ...
Powerpoint file - Physics @ CSU Stanislaus
... length, a telephoto lens. Lenses that approximate the angle of view of the human eye are called normal lenses. Focal length determines the magnification and angle of view of the image. With the camera in a fixed position, objects photographed with a wide-angle lens will seem farther away than with ...
... length, a telephoto lens. Lenses that approximate the angle of view of the human eye are called normal lenses. Focal length determines the magnification and angle of view of the image. With the camera in a fixed position, objects photographed with a wide-angle lens will seem farther away than with ...
black hole
... If mass is large/dense enough, there is some radius at which escape velocity is larger than speed of light ...
... If mass is large/dense enough, there is some radius at which escape velocity is larger than speed of light ...
deep space - altaastronomy
... • This was confirmed in 1919 during a solar eclipse • One consequence of this bending of light by gravity is the existence of gravitational lens • A massive object (such as a galaxy or cluster of galaxies) can bend the light of objects behind them, creating double or multiple images of the backgroun ...
... • This was confirmed in 1919 during a solar eclipse • One consequence of this bending of light by gravity is the existence of gravitational lens • A massive object (such as a galaxy or cluster of galaxies) can bend the light of objects behind them, creating double or multiple images of the backgroun ...
Slide 1
... Astronomers Select Top Ten Most Amazing Pictures Taken by Hubble Space Telescope in Last 16 Years '...they illustrate that our universe is not only deeply strange, but also almost impossibly beautiful.’ After correcting an initial problem with the lens, when the Hubble Space Telescope was first laun ...
... Astronomers Select Top Ten Most Amazing Pictures Taken by Hubble Space Telescope in Last 16 Years '...they illustrate that our universe is not only deeply strange, but also almost impossibly beautiful.’ After correcting an initial problem with the lens, when the Hubble Space Telescope was first laun ...
Cosmic Surveyor
... One needs larger baseline than the distance between the eyes to measure the distance to cosmic objects! In 1672 Giovanni Cassini together with Jean Richter (1630-1696) made parallel observations of the Mars parallax in Paris (France) and Cayenne (French Guiana, N. coast of South America) They were ...
... One needs larger baseline than the distance between the eyes to measure the distance to cosmic objects! In 1672 Giovanni Cassini together with Jean Richter (1630-1696) made parallel observations of the Mars parallax in Paris (France) and Cayenne (French Guiana, N. coast of South America) They were ...
T Einstein’s Mirage Paul L. Schechter
... being imaged—it is a mirror image, but distorted. At least one of the other images must have the correct handedness, but it will also be distorted. The French call such distorted images gravitational mirages. In the half century following the confirmation of general relativity, the idea that cosmic ...
... being imaged—it is a mirror image, but distorted. At least one of the other images must have the correct handedness, but it will also be distorted. The French call such distorted images gravitational mirages. In the half century following the confirmation of general relativity, the idea that cosmic ...
Gravitation
... The largest known asteroid in the solar system is Ceres, which is located in an orbit between Mars and Jupiter. Although the existence of Ceres has been known for two hundred years, its mass is still not well determined. Suppose the magnitude of the gravitational force between the sun and Ceres equa ...
... The largest known asteroid in the solar system is Ceres, which is located in an orbit between Mars and Jupiter. Although the existence of Ceres has been known for two hundred years, its mass is still not well determined. Suppose the magnitude of the gravitational force between the sun and Ceres equa ...
Today`s Powerpoint
... Escape velocity from Earth's surface is 11 km/sec. If Earth were crushed down to 1 cm size, escape velocity would be speed of light. Then nothing, including light, could escape Earth. This special radius, for a particular object, is called the ...
... Escape velocity from Earth's surface is 11 km/sec. If Earth were crushed down to 1 cm size, escape velocity would be speed of light. Then nothing, including light, could escape Earth. This special radius, for a particular object, is called the ...
NEW GCSE REVISION Beginning of the Universe - crypt
... of the Hubble constant is somewhere between 46 and 80km/s per megaparsec. This is very different from the number calculated from the graph. This is because Hubble’s measurements had . . . ...
... of the Hubble constant is somewhere between 46 and 80km/s per megaparsec. This is very different from the number calculated from the graph. This is because Hubble’s measurements had . . . ...
Gravitational Waves
... • In September 2015, the gravitational-wave detector detected a small ripple in spacetime ...
... • In September 2015, the gravitational-wave detector detected a small ripple in spacetime ...
No Slide Title
... Relativity (1905) overthrew commonsense assumptions about space and time. Relative to an observer, near the speed of light, both are altered » distances appear to stretch » clocks tick more slowly ...
... Relativity (1905) overthrew commonsense assumptions about space and time. Relative to an observer, near the speed of light, both are altered » distances appear to stretch » clocks tick more slowly ...
CHAPTER 15: General Relativity
... allows a beam of starlight to enter the spacecraft. Since the velocity of light is finite, there is a nonzero amount of time for the light to shine across the opposite wall of the ...
... allows a beam of starlight to enter the spacecraft. Since the velocity of light is finite, there is a nonzero amount of time for the light to shine across the opposite wall of the ...
AAS08 - Caltech Optical Observatories
... Swift J1955+2614, one of the strangest transients of recent years [3-5]. This galactic transient was discovered in the galactic plane by the Swift Gamma-Ray-Burst detector satellite. Followup observations revealed an extremely complex (and still poorly understood) light curve, followed by rapid fadi ...
... Swift J1955+2614, one of the strangest transients of recent years [3-5]. This galactic transient was discovered in the galactic plane by the Swift Gamma-Ray-Burst detector satellite. Followup observations revealed an extremely complex (and still poorly understood) light curve, followed by rapid fadi ...