Trainer`s Notes
... miles). Alpha Centauri is about 4.2 light years away. Translated into kilometres (give and take a few!) this is about 1x 1013 kilometres – 10 000 000 000 000 km. For the mathematically inclined, Alpha Centauri is about 165 million times the distance away from us than the moon. It is the closest star ...
... miles). Alpha Centauri is about 4.2 light years away. Translated into kilometres (give and take a few!) this is about 1x 1013 kilometres – 10 000 000 000 000 km. For the mathematically inclined, Alpha Centauri is about 165 million times the distance away from us than the moon. It is the closest star ...
SOLUTIONS ASTROPHYSICS – OPTION D 2015-17
... (a) the luminosity is the same since the absolute magnitude is the same. (b) Star B has a larger parallax so it is closer. Hence it appears brighter. ...
... (a) the luminosity is the same since the absolute magnitude is the same. (b) Star B has a larger parallax so it is closer. Hence it appears brighter. ...
Gravity - South High School
... This difference in pulls across Earth slightly elongates it. The oceans bulge out about 1 meter on average, on opposite sides of Earth. Because Earth spins once per day, a fixed point on Earth passes beneath both of these bulges each day, producing two sets of ocean tides per day—two high tides and ...
... This difference in pulls across Earth slightly elongates it. The oceans bulge out about 1 meter on average, on opposite sides of Earth. Because Earth spins once per day, a fixed point on Earth passes beneath both of these bulges each day, producing two sets of ocean tides per day—two high tides and ...
1 Sun Stars Planets. Problem Sheet I
... (c) The Sun's continuous spectrum actually peaks at 470 nm. What could be concluded from this? (d) Why can the effective surface temperature of the Moon not be calculated from its B-V colour index? ...
... (c) The Sun's continuous spectrum actually peaks at 470 nm. What could be concluded from this? (d) Why can the effective surface temperature of the Moon not be calculated from its B-V colour index? ...
Asteroids, Comets, Meteors…what`s the difference
... Asteroids, Comets, Meteors…what’s the difference? Astronomy Name: ...
... Asteroids, Comets, Meteors…what’s the difference? Astronomy Name: ...
Earth
... a. 2,644,800,000 km in diameter b. 1900 times the diameter of our Sun c. 649,800 times the diameter of Earth 3. Polaris, “North Star”, varies in size How can a star vary in size from day to day? ...
... a. 2,644,800,000 km in diameter b. 1900 times the diameter of our Sun c. 649,800 times the diameter of Earth 3. Polaris, “North Star”, varies in size How can a star vary in size from day to day? ...
Questions about the Sun:
... oddly sequenced because they were assigned long ago before we understood their relationship to temperature. O and B stars are rare but very bright; M stars are numerous but dim. The Sun is designated as a ____ star. A). G2 B). K1 C). M1 ...
... oddly sequenced because they were assigned long ago before we understood their relationship to temperature. O and B stars are rare but very bright; M stars are numerous but dim. The Sun is designated as a ____ star. A). G2 B). K1 C). M1 ...
The scale of the Universe (along with units and scientific notation)
... It works just the same for tiny numbers, but the exponent is negative and this time you move the decimal place to the right ...
... It works just the same for tiny numbers, but the exponent is negative and this time you move the decimal place to the right ...
The Sun
... According to Wien’s Law, 2,900,000/Temp in Kelvin, the peak emission of the sun is 2,900,000/6000K. This is equal to 483 nm, the color of blue-green light. This is why our eyes have evolved to detect the visible spectrum. ...
... According to Wien’s Law, 2,900,000/Temp in Kelvin, the peak emission of the sun is 2,900,000/6000K. This is equal to 483 nm, the color of blue-green light. This is why our eyes have evolved to detect the visible spectrum. ...
Venus
... Venus is the __________________________ planet from the Sun in our Solar System. It is the _________________________ planet in our Solar System. This planet is covered with fastmoving sulphuric acid clouds which trap __________________________ from the Sun. Its thick atmosphere is mostly carbon diox ...
... Venus is the __________________________ planet from the Sun in our Solar System. It is the _________________________ planet in our Solar System. This planet is covered with fastmoving sulphuric acid clouds which trap __________________________ from the Sun. Its thick atmosphere is mostly carbon diox ...
Announcements
... • Sun gets its energy by nuclear FUSION – Have not succeeded in containing nuclear fusion on Earth – Sun is a perfect nuclear fusion reactor • Contained • Safe • Slow ...
... • Sun gets its energy by nuclear FUSION – Have not succeeded in containing nuclear fusion on Earth – Sun is a perfect nuclear fusion reactor • Contained • Safe • Slow ...
1. Heraclides of Pontus
... Model : Tycho reverted back to a geocentric model. However, he had the planets orbit the sun, but the sun orbited the Earth. He also further complicated it by using epicycles on some of the planets. This model was very complicated. 7. Johannes Kepler – Date: early 1600’s Place: Germany, Austria (Par ...
... Model : Tycho reverted back to a geocentric model. However, he had the planets orbit the sun, but the sun orbited the Earth. He also further complicated it by using epicycles on some of the planets. This model was very complicated. 7. Johannes Kepler – Date: early 1600’s Place: Germany, Austria (Par ...
Cairo Governorate Helwan Education Zone El
... 2. There are two kinds of mirrors which are ...............and ............... 3. The earth rotates around the ............... while the sun rotates around the center of ............... B) What are the reasons lead to: 1. Difference in year from planet to another. 2. Difference in day length from pl ...
... 2. There are two kinds of mirrors which are ...............and ............... 3. The earth rotates around the ............... while the sun rotates around the center of ............... B) What are the reasons lead to: 1. Difference in year from planet to another. 2. Difference in day length from pl ...
Day and Night Sky - Georgia Standards
... airplanes and clouds at night. *Show pictures. Ask: what job does the moon have? [It gives us light at night and it travels around Earth.] Ask: what is the moon made of? *Mostly rock **Detailed steaming video of moon can be show here. Ask: Does the moon light up like the sun? Does it make the light ...
... airplanes and clouds at night. *Show pictures. Ask: what job does the moon have? [It gives us light at night and it travels around Earth.] Ask: what is the moon made of? *Mostly rock **Detailed steaming video of moon can be show here. Ask: Does the moon light up like the sun? Does it make the light ...
Day 15
... brightness as a measure of distance This assumes that all stars have the same luminosity. The double star data was starting to show that was an incorrect assumption ...
... brightness as a measure of distance This assumes that all stars have the same luminosity. The double star data was starting to show that was an incorrect assumption ...
Printable version: Pluto demoted -- from 9th planet to just a dwarf
... "But there are many more Plutos just waiting to be discovered." For schoolchildren and new textbooks, the new mnemonic for quick learning in elementary astronomy will have to go something like this: "My Very Earnest Mother Just Served Us Nothing" -- instead of the old way that used to end in "Nine P ...
... "But there are many more Plutos just waiting to be discovered." For schoolchildren and new textbooks, the new mnemonic for quick learning in elementary astronomy will have to go something like this: "My Very Earnest Mother Just Served Us Nothing" -- instead of the old way that used to end in "Nine P ...
What are constellations? - Red Hook Central Schools
... Taurus passes through the sky from November through March. Taurus was a very popular constellation in ancient times, so there are many myths about it. The Greeks thought the stars represented Zeus in disguise as a white bull. He tricked Europa into climbing on his back. He then swam out to sea and c ...
... Taurus passes through the sky from November through March. Taurus was a very popular constellation in ancient times, so there are many myths about it. The Greeks thought the stars represented Zeus in disguise as a white bull. He tricked Europa into climbing on his back. He then swam out to sea and c ...
Document
... Meteorites are also “fossils”, because they have preserved within them a record of the most ancient history of solar system material, a record not preserved in any other rocks. For example, dating of meteorites allows the determination of the time of formation of solid materials during the dawn of o ...
... Meteorites are also “fossils”, because they have preserved within them a record of the most ancient history of solar system material, a record not preserved in any other rocks. For example, dating of meteorites allows the determination of the time of formation of solid materials during the dawn of o ...
A Absolute Magnitude A scale for measuring the actual
... The point in the orbit of the Moon or other satellite where it is farthest from the Earth. Apparent Magnitude The apparent brightness of an object in the sky as it appears to an observer on Earth. Bright objects have a low apparent magnitude while dim objects will have a higher apparent magnitude. A ...
... The point in the orbit of the Moon or other satellite where it is farthest from the Earth. Apparent Magnitude The apparent brightness of an object in the sky as it appears to an observer on Earth. Bright objects have a low apparent magnitude while dim objects will have a higher apparent magnitude. A ...
Study Notes Lesson 13 Gravitational Interactions
... you whiz with maximum speed past the center of Earth. If you did not grab the edges at either end, you would oscillate back and force, approximating simple harmonic motion. Each round trip would take about 90 minutes, similar to an Earth satellite in close orbit about Earth. c. ...
... you whiz with maximum speed past the center of Earth. If you did not grab the edges at either end, you would oscillate back and force, approximating simple harmonic motion. Each round trip would take about 90 minutes, similar to an Earth satellite in close orbit about Earth. c. ...
Earth, Sun and Moon Test Study Guide
... Lunar maria are flat, dark patches on the moon. They are caused by lava flow that cooled millions of years ago. Lunar highlands are bright and rugged terrain. 2. How did Earth obtain its moon? Giant impact theory descirbes that a large body struck the early Earth. The debris from the crash formed th ...
... Lunar maria are flat, dark patches on the moon. They are caused by lava flow that cooled millions of years ago. Lunar highlands are bright and rugged terrain. 2. How did Earth obtain its moon? Giant impact theory descirbes that a large body struck the early Earth. The debris from the crash formed th ...
Chapter 02
... As a result of precession, the celestial north pole follows a circular pattern on the sky, once every 26,000 years. We are lucky to live at a time when a fairly bright star (Polaris, magnitude 2) is near the north celestial pole. It will be closest to Polaris ~ A.D. 2100. ...
... As a result of precession, the celestial north pole follows a circular pattern on the sky, once every 26,000 years. We are lucky to live at a time when a fairly bright star (Polaris, magnitude 2) is near the north celestial pole. It will be closest to Polaris ~ A.D. 2100. ...