Document
... Our Pluto results showed an expansion of its atmosphere, which would result from a global warming since 1988. Perhaps some contribution to that warming comes from the changing orientation of Pluto’s darker spots with respect to incoming solar radiation. ...
... Our Pluto results showed an expansion of its atmosphere, which would result from a global warming since 1988. Perhaps some contribution to that warming comes from the changing orientation of Pluto’s darker spots with respect to incoming solar radiation. ...
astronomy (astr)
... Celestial motions of the earth, sun, moon, and planets; nature of light; ground and space-based telescopes; comparative planetology; the earth and the moon; terrestrial and gas planets and their moons; dwarf planets, asteroids, and comets; planetary system formation; extrasolar planets; the search f ...
... Celestial motions of the earth, sun, moon, and planets; nature of light; ground and space-based telescopes; comparative planetology; the earth and the moon; terrestrial and gas planets and their moons; dwarf planets, asteroids, and comets; planetary system formation; extrasolar planets; the search f ...
10 Astrophysics (Option E)
... Between the orbits of Mars and Jupiter there are billions of smaller orbiting bodies called asteroids (as seen in the photo above). These range from the size of dust particles to several hundred kilometres in radius. ...
... Between the orbits of Mars and Jupiter there are billions of smaller orbiting bodies called asteroids (as seen in the photo above). These range from the size of dust particles to several hundred kilometres in radius. ...
Comparison of Precession Theories: An
... Another possibility is that MOND (Modified Newtonian Dynamics) or some variation of local gravitational dynamics might come into play at long distances outside the solar system. This of course would open the possibility that the Sun may have a visible companion (and coincidentally would solve much o ...
... Another possibility is that MOND (Modified Newtonian Dynamics) or some variation of local gravitational dynamics might come into play at long distances outside the solar system. This of course would open the possibility that the Sun may have a visible companion (and coincidentally would solve much o ...
EarthComm_c1s9
... Scientists also search for examples of planetary nebulae. They want to understand when and how these events occur. Not only are these nebulae interesting, but they also show scientists what the fate of our solar system will be billions of years from now. What would happen if there were a supernova e ...
... Scientists also search for examples of planetary nebulae. They want to understand when and how these events occur. Not only are these nebulae interesting, but they also show scientists what the fate of our solar system will be billions of years from now. What would happen if there were a supernova e ...
Comets
... that life to new environments. Such a theory would suggest that life, if it exists elsewhere in the solar system, would be identical to ours, because they came from the same source. ...
... that life to new environments. Such a theory would suggest that life, if it exists elsewhere in the solar system, would be identical to ours, because they came from the same source. ...
Lecture 3
... light more efficiently than red light. This is called `interstellar reddening’. – Most stars appear to be REDDER than they really are (cooler) – Stars of a given luminosity appear FAINTER than you would calculate given their distance and the inverse square law. ...
... light more efficiently than red light. This is called `interstellar reddening’. – Most stars appear to be REDDER than they really are (cooler) – Stars of a given luminosity appear FAINTER than you would calculate given their distance and the inverse square law. ...
Gravity Demo
... how much the Earth pulls on it, exactly cancel out. But he didn’t know why. At the same time, he looked at Kepler’s orbits of planets going around the Sun. He realized that if the Sun were pulling on a planet in such a way that the closer the planet is to the Sun, the harder the Sun would pull on it ...
... how much the Earth pulls on it, exactly cancel out. But he didn’t know why. At the same time, he looked at Kepler’s orbits of planets going around the Sun. He realized that if the Sun were pulling on a planet in such a way that the closer the planet is to the Sun, the harder the Sun would pull on it ...
Thesis.dot
... for their assistance in the preparation of this manuscript. In addition, special thanks to Dr. Elsa Leavitt whose familiarity with the needs and ideas of the class was helpful during the early programming phase of this undertaking. Thanks also to the members of the school council for their valuable ...
... for their assistance in the preparation of this manuscript. In addition, special thanks to Dr. Elsa Leavitt whose familiarity with the needs and ideas of the class was helpful during the early programming phase of this undertaking. Thanks also to the members of the school council for their valuable ...
basics of astronomy through role play
... Here we have taken the time of movement of moon as 30 days for a full revolution around the earth. This is a rough estimate. Normally for moon to come back to the same position on its orbit, the time taken is 27.3 days (sidereal month). In these 27.3 days, the earth moves ahead in its orbit around t ...
... Here we have taken the time of movement of moon as 30 days for a full revolution around the earth. This is a rough estimate. Normally for moon to come back to the same position on its orbit, the time taken is 27.3 days (sidereal month). In these 27.3 days, the earth moves ahead in its orbit around t ...
Comets and astrobiology
... comets about 1011 to 1012, for a total mass of 1 to a few tens Earth mass and ii) a rather flat disk beyond Neptune orbit, the Kuiper Belt, smaller than the Oort Cloud (100 to 1000 AU at most) and containing also many 1000‑km class objects (dwarf planets) like Pluto and the recently discovered Eris, ...
... comets about 1011 to 1012, for a total mass of 1 to a few tens Earth mass and ii) a rather flat disk beyond Neptune orbit, the Kuiper Belt, smaller than the Oort Cloud (100 to 1000 AU at most) and containing also many 1000‑km class objects (dwarf planets) like Pluto and the recently discovered Eris, ...
OBSERVATIONS (1)
... Let’s think about these things one (or three) at a time. • Every day the Sun rises in the east and sets in the west. This is evidently what the Sun is doing, and there are still people who “believe” that it does exactly that. They have elaborate explanations for why all the observations that scienc ...
... Let’s think about these things one (or three) at a time. • Every day the Sun rises in the east and sets in the west. This is evidently what the Sun is doing, and there are still people who “believe” that it does exactly that. They have elaborate explanations for why all the observations that scienc ...
The Moons of Saturn are broken into several groups:
... Saturn has 61 moons with confirmed orbits, 52 of which have names, and most of which are quite small. There are also hundreds of known "moonlets" embedded within Saturn's rings. With seven moons that are large enough to be rounded in shape (and which would thus be considered dwarf planets if they we ...
... Saturn has 61 moons with confirmed orbits, 52 of which have names, and most of which are quite small. There are also hundreds of known "moonlets" embedded within Saturn's rings. With seven moons that are large enough to be rounded in shape (and which would thus be considered dwarf planets if they we ...
PowerPoint
... • “Weightlessness” is just like falling. There is gravity on the shuttle, but as one is in freefall it is not noticeable. • Kepler had thought briefly about this, but he decided he needed forces along the direction of the velocity, not perpendicular to it. • So Newton realized that like an apple fal ...
... • “Weightlessness” is just like falling. There is gravity on the shuttle, but as one is in freefall it is not noticeable. • Kepler had thought briefly about this, but he decided he needed forces along the direction of the velocity, not perpendicular to it. • So Newton realized that like an apple fal ...
Pluto Challenge - Cedar Amateur Astronomers
... the telescope’s field of view (FOV). Stars are very, very distance objects and as a result do not move within the FOV over time. However, objects within the solar system are relatively close and always in motion around the Sun. If photographs taken at different times include solar system objects suc ...
... the telescope’s field of view (FOV). Stars are very, very distance objects and as a result do not move within the FOV over time. However, objects within the solar system are relatively close and always in motion around the Sun. If photographs taken at different times include solar system objects suc ...
Astronomical Facts `n Stuff
... A measure of the true brightness of an object. The absolute brightness or magnitude of an object is the apparent brightness or magnitude it would have if it were located exactly 32.6 light-years (10 parsecs) away. Absolute Magnitude A scale for measuring the actual brightness of a celestial object w ...
... A measure of the true brightness of an object. The absolute brightness or magnitude of an object is the apparent brightness or magnitude it would have if it were located exactly 32.6 light-years (10 parsecs) away. Absolute Magnitude A scale for measuring the actual brightness of a celestial object w ...
To Measure the Sky: An Introduction to Observational Astronomy.
... You should note that the latitude coordinate, b, just discussed, is called the geocentric latitude, to distinguish it from /, the geodetic latitude. Geodetic latitude is defined in reference to an ellipsoid-of-revolution that approximates the actual shape of the Earth. It is the angle between the equ ...
... You should note that the latitude coordinate, b, just discussed, is called the geocentric latitude, to distinguish it from /, the geodetic latitude. Geodetic latitude is defined in reference to an ellipsoid-of-revolution that approximates the actual shape of the Earth. It is the angle between the equ ...
Course Materials - Weber State University
... 1. Write down on your worksheet your prediction for the cause of the seasons. Do not worry if you are not sure---that's the point of this exercise! Just write something reasonable down. This is your working model of the 'reason for the seasons'. 2. Now, answer the following questions about YOUR mode ...
... 1. Write down on your worksheet your prediction for the cause of the seasons. Do not worry if you are not sure---that's the point of this exercise! Just write something reasonable down. This is your working model of the 'reason for the seasons'. 2. Now, answer the following questions about YOUR mode ...
picture_as_pdf Released Materials - 2010 (1288
... for teachers and is best used in conjunction with the multi-year and detailed school reports that are available to schools via the extranet. For further information, contact ...
... for teachers and is best used in conjunction with the multi-year and detailed school reports that are available to schools via the extranet. For further information, contact ...
The Solar System and Beyond CHAPTER 8
... no water either. Because of these factors, the Moon has an extreme range of temperatures. In the daytime, it is hot enough to boil water. The nights are colder than any place on Earth. No wonder the Moon does not support life! ...
... no water either. Because of these factors, the Moon has an extreme range of temperatures. In the daytime, it is hot enough to boil water. The nights are colder than any place on Earth. No wonder the Moon does not support life! ...
transit of Venus - Glenn Schneider
... Crabtree used a similar telescope to glimpse Venus in transit just before sunset. As far as we know, Horrocks and Crabtree were the only two humans to witness the event. The 1761 and 1769 transits of Venus were the subject of much more serious observations. By this time British Astronomer Royal Edmo ...
... Crabtree used a similar telescope to glimpse Venus in transit just before sunset. As far as we know, Horrocks and Crabtree were the only two humans to witness the event. The 1761 and 1769 transits of Venus were the subject of much more serious observations. By this time British Astronomer Royal Edmo ...
session 3.2 - Let There Be Night
... also Dutch spectacle makers—applied a short time later. They all claimed to have invented it first and accused the others of stealing the idea. The idea had actually been written about hundreds of years earlier, but the technology of making glass and lenses was not far enough advanced at that time f ...
... also Dutch spectacle makers—applied a short time later. They all claimed to have invented it first and accused the others of stealing the idea. The idea had actually been written about hundreds of years earlier, but the technology of making glass and lenses was not far enough advanced at that time f ...
Constraints on Long-Period Planets from an L
... have yielded repeatable detections of extrasolar planets so far. While RV and astrometric surveys may eventually deliver important information about long-period extrasolar planets, direct imaging is the only method that allows us to characterize them immediately. Direct imaging of extrasolar planets ...
... have yielded repeatable detections of extrasolar planets so far. While RV and astrometric surveys may eventually deliver important information about long-period extrasolar planets, direct imaging is the only method that allows us to characterize them immediately. Direct imaging of extrasolar planets ...
Behaviour of elements from lithium to europium in stars with and
... We conducted an analysis of the distribution of elements from lithium to europium in 200 dwarfs in the solar neighbourhood (∼20 pc) with temperatures in the range 4800–6200 K and metallicities [Fe/H] higher than –0.5 dex. Determinations of atmospheric parameters and the chemical compositions of the ...
... We conducted an analysis of the distribution of elements from lithium to europium in 200 dwarfs in the solar neighbourhood (∼20 pc) with temperatures in the range 4800–6200 K and metallicities [Fe/H] higher than –0.5 dex. Determinations of atmospheric parameters and the chemical compositions of the ...
Extraterrestrial life
Extraterrestrial life is life that does not originate from Earth. It is also called alien life, or, if it is a sentient and/or relatively complex individual, an ""extraterrestrial"" or ""alien"" (or, to avoid confusion with the legal sense of ""alien"", a ""space alien""). These as-yet-hypothetical life forms range from simple bacteria-like organisms to beings with civilizations far more advanced than humanity. Although many scientists expect extraterrestrial life to exist, so far no unambiguous evidence for its existence exists.The science of extraterrestrial life is known as exobiology. The science of astrobiology also considers life on Earth as well, and in the broader astronomical context. Meteorites that have fallen to Earth have sometimes been examined for signs of microscopic extraterrestrial life. Since the mid-20th century, there has been an ongoing search for signs of extraterrestrial intelligence, from radios used to detect possible extraterrestrial signals, to telescopes used to search for potentially habitable extrasolar planets. It has also played a major role in works of science fiction. Over the years, science fiction works, especially Hollywood's involvement, has increased the public's interest in the possibility of extraterrestrial life. Some encourage aggressive methods to try to get in contact with life in outer space, whereas others argue that it might be dangerous to actively call attention to Earth.