Chapter 16 Lesson 2: What is a Star
... You can see Ursa Major all year, but other constellations can only be seen at certain times of the year. 1. Canis Major is a constellation we see only in the winter because different parts of the sky come into view as the Earth moves around the Sun. b. The constellations change with the seasons beca ...
... You can see Ursa Major all year, but other constellations can only be seen at certain times of the year. 1. Canis Major is a constellation we see only in the winter because different parts of the sky come into view as the Earth moves around the Sun. b. The constellations change with the seasons beca ...
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... In the 1960’s Irwin A. Shapiro realised that there was another, and potentially far more accurate, way of testing Einstein’s theory. Shapiro was a pioneer of radar astronomy and realised that the time that a radar pulse would take to travel to and from a planet would be affected if the pulse passed ...
... In the 1960’s Irwin A. Shapiro realised that there was another, and potentially far more accurate, way of testing Einstein’s theory. Shapiro was a pioneer of radar astronomy and realised that the time that a radar pulse would take to travel to and from a planet would be affected if the pulse passed ...
Test and answer key
... 56. Most of the craters on the Moon were formed by A slumping of the surface following the outflow of lava from below the region. B *bombardment by interplanetary meteoritic material. C wind and water erosion of mountains and hills in the distant past. D volcanic action; the craters are the old cald ...
... 56. Most of the craters on the Moon were formed by A slumping of the surface following the outflow of lava from below the region. B *bombardment by interplanetary meteoritic material. C wind and water erosion of mountains and hills in the distant past. D volcanic action; the craters are the old cald ...
document
... Evidence of collisions: - cratered surfaces on objects of all sizes - high mass density of Mercury - extremely volatile-poor composition of the Moon - heavy bombardment until 700 My after the Moon was formed - the huge Herschel crater on Mimas - retrograde rotation of Uranus and Pluto - spin axis ti ...
... Evidence of collisions: - cratered surfaces on objects of all sizes - high mass density of Mercury - extremely volatile-poor composition of the Moon - heavy bombardment until 700 My after the Moon was formed - the huge Herschel crater on Mimas - retrograde rotation of Uranus and Pluto - spin axis ti ...
Pocket Solar System
... to think about the lines they draw on the creases as parts of the full circular orbits of planets around the Sun. Remind them that the planets could be anywhere on those circular orbits, but we’re just placing them here because of the constraints of our model. The large illustration of our solar s ...
... to think about the lines they draw on the creases as parts of the full circular orbits of planets around the Sun. Remind them that the planets could be anywhere on those circular orbits, but we’re just placing them here because of the constraints of our model. The large illustration of our solar s ...
Time and Diurnal Motion 1a. The Earth Is Flat
... • Anaximander (580 BC) invents idea of celestial sphere. (?) • Eudoxus (360 BC) makes early map of constellations • Hipparchus (130 BC) made a star catalog of 850 stars with some sort of coordinates • Claudius Ptolemy (150 A.D.?): The first really accurate map, 48 constellations, 1025 stars with mea ...
... • Anaximander (580 BC) invents idea of celestial sphere. (?) • Eudoxus (360 BC) makes early map of constellations • Hipparchus (130 BC) made a star catalog of 850 stars with some sort of coordinates • Claudius Ptolemy (150 A.D.?): The first really accurate map, 48 constellations, 1025 stars with mea ...
Galaxies and the Universe
... • the distance that light travels in one year in a vacuum, which is about 9.5 trillion kilometers (6 trillion miles) – The Milky Way Galaxy is about 100,000 light years in diameter ...
... • the distance that light travels in one year in a vacuum, which is about 9.5 trillion kilometers (6 trillion miles) – The Milky Way Galaxy is about 100,000 light years in diameter ...
Orbits and Applications
... energy for circular orbits. To get from a low orbit r1 to a higher orbit r2 requires an increase in energy. While the kinetic energy ...
... energy for circular orbits. To get from a low orbit r1 to a higher orbit r2 requires an increase in energy. While the kinetic energy ...
waves
... the shadow caused by a body blocking the light from another Solar eclipse – when the Moon is directly between the Sun and Earth, blocking the Sun’s light casting a shadow over a certain area on Earth Lunar eclipse – when Earth is directly between the Sun and the Moon, blocking the Sun’s light so ...
... the shadow caused by a body blocking the light from another Solar eclipse – when the Moon is directly between the Sun and Earth, blocking the Sun’s light casting a shadow over a certain area on Earth Lunar eclipse – when Earth is directly between the Sun and the Moon, blocking the Sun’s light so ...
AST1001.ch10
... More recent observations also found a deficit of neutrinos. A new theory of the neutrino predicts that they have mass and can change form. This theory agrees with the observed neutrino numbers. ...
... More recent observations also found a deficit of neutrinos. A new theory of the neutrino predicts that they have mass and can change form. This theory agrees with the observed neutrino numbers. ...
Final Exam from 2004 - Onondaga Community College
... to Austin TX never to be heard from again. Please, in an outline form, list the points you would make that described how Saturn became so much larger than the Earth. You do not have to write a narrative, simply a list of relevant events, concepts or processes is sufficient. (7 points) 3. The extra-s ...
... to Austin TX never to be heard from again. Please, in an outline form, list the points you would make that described how Saturn became so much larger than the Earth. You do not have to write a narrative, simply a list of relevant events, concepts or processes is sufficient. (7 points) 3. The extra-s ...
The Sun and Stardust
... very quickly. At the end of their life heavier (metals) are formed such as vanadium, chromium, manganese, iron, cobalt, and nickel etc. Then massive stars (about ten times more massive than the Sun ,or even heavier) burst into what is called a supernova, spreading all of the elements that formed thr ...
... very quickly. At the end of their life heavier (metals) are formed such as vanadium, chromium, manganese, iron, cobalt, and nickel etc. Then massive stars (about ten times more massive than the Sun ,or even heavier) burst into what is called a supernova, spreading all of the elements that formed thr ...
Satellite stuff - Ms. Gamm
... breaks. You are still standing on the scale, but the elevator, the scale, and you are all falling down accelerating at 9.8 meters per second squared. You no longer exert a force on the scale – it is falling at the same speed that you are. It now reads zero. Any objects in the elevator would appear t ...
... breaks. You are still standing on the scale, but the elevator, the scale, and you are all falling down accelerating at 9.8 meters per second squared. You no longer exert a force on the scale – it is falling at the same speed that you are. It now reads zero. Any objects in the elevator would appear t ...
Astronomical Chronicle for September, 2008
... different songs (and, thanks to Newton and Einstein, every good physicist can hum along to those tunes), you can work back and identify the bands. While these bands are playing too far away for us to observe even in the 16” Cave, it is worth noting that our Milky Way plays host to an increasingly mo ...
... different songs (and, thanks to Newton and Einstein, every good physicist can hum along to those tunes), you can work back and identify the bands. While these bands are playing too far away for us to observe even in the 16” Cave, it is worth noting that our Milky Way plays host to an increasingly mo ...
Canis Major
... tragic life ended when he stepped on Scorpius, the scorpion. The gods felt sorry for him, so they put him and his dogs in the sky as constellations and all of the animals he hunted up there near him. Scorpius, however, was placed on the opposite side of the sky so Orion would never be hurt by it aga ...
... tragic life ended when he stepped on Scorpius, the scorpion. The gods felt sorry for him, so they put him and his dogs in the sky as constellations and all of the animals he hunted up there near him. Scorpius, however, was placed on the opposite side of the sky so Orion would never be hurt by it aga ...
Ay 1 – Final Exam
... luminosity absorbed from the Sun equal to Earth's emitted luminosity) different than the actual average surface temperature we measure for the Earth? Explain the physical mechanism behind this. ...
... luminosity absorbed from the Sun equal to Earth's emitted luminosity) different than the actual average surface temperature we measure for the Earth? Explain the physical mechanism behind this. ...
More on Stars and the Sky
... objects appear stationary. Why? What is the typical parallax of a nearby star? Why is it not possible to measure the parallax better than 0.01” from ground based instruments, but can be done from space? What is the precession of the Earth. Which of the following would change due to precession celest ...
... objects appear stationary. Why? What is the typical parallax of a nearby star? Why is it not possible to measure the parallax better than 0.01” from ground based instruments, but can be done from space? What is the precession of the Earth. Which of the following would change due to precession celest ...
Universal redshift, the Hubble constant The cosmic background
... In Gamow papers from 1940s this figure is quoted as the age of the Universe, with a disclaimer, it is probably underestimated. The age greater than 2 eons was given to the Earth from (nucleo-)geological investigations. ...
... In Gamow papers from 1940s this figure is quoted as the age of the Universe, with a disclaimer, it is probably underestimated. The age greater than 2 eons was given to the Earth from (nucleo-)geological investigations. ...
Astro101 lecture from Aug 27
... On an interstellar scale, parallax created by the different orbital positions of the Earth causes “nearby” stars to appear to move relative to the more distant stars. Because of the great distances to the stars, this effect is so small it is undetectable without extremely precise measurements. Recal ...
... On an interstellar scale, parallax created by the different orbital positions of the Earth causes “nearby” stars to appear to move relative to the more distant stars. Because of the great distances to the stars, this effect is so small it is undetectable without extremely precise measurements. Recal ...
ppt
... second • parsec The distance at which a star would have a parallax angle of 1". (~3.26 light years) ...
... second • parsec The distance at which a star would have a parallax angle of 1". (~3.26 light years) ...
Space Science Unit - World of Teaching
... • The largest stars, larger than the giant stars • Their diameters are 1,000 times that of our Sun • A star this size would extend past Mars from where our Sun is now if compared to our Sun’s current size • Due to their size, they are the shortest lived stars and die off quickly ...
... • The largest stars, larger than the giant stars • Their diameters are 1,000 times that of our Sun • A star this size would extend past Mars from where our Sun is now if compared to our Sun’s current size • Due to their size, they are the shortest lived stars and die off quickly ...
Meteroroids! Asteroids! Comets!
... • Many animals became extinct (including many types of dinosaurs) ...
... • Many animals became extinct (including many types of dinosaurs) ...