Astronomical distances and Stellar magnitudes
... 1. What is meant by a light year? 2. What is meant by an astronomical unit (AU)? 3. What is meant by a parsec (pc)? 4. What is meant by a mega parsec (Mpc)? 5. What is meant by the apparent magnitude of an astronomical object? 6. Give the approximate distance of the following in AU: (a) Sun to the E ...
... 1. What is meant by a light year? 2. What is meant by an astronomical unit (AU)? 3. What is meant by a parsec (pc)? 4. What is meant by a mega parsec (Mpc)? 5. What is meant by the apparent magnitude of an astronomical object? 6. Give the approximate distance of the following in AU: (a) Sun to the E ...
Astronomy Powerpoint
... • Core reaches 1 million C, energy is given off • When most of the hydrogen is used up, becomes a red giant • Depending on size, becomes a white dwarf or a supernova ...
... • Core reaches 1 million C, energy is given off • When most of the hydrogen is used up, becomes a red giant • Depending on size, becomes a white dwarf or a supernova ...
Physical properties of stars
... Absolute magnitude depends on: The size of the star The temperature of the star Apparent magnitude depends on: The size of the star The temperature of the star The distance of the star Pg. 444 scale of objects and their apparent magnitude. Absolute motion- the actual motion of stars in spa ...
... Absolute magnitude depends on: The size of the star The temperature of the star Apparent magnitude depends on: The size of the star The temperature of the star The distance of the star Pg. 444 scale of objects and their apparent magnitude. Absolute motion- the actual motion of stars in spa ...
Extra Questions Stellar properties
... 3 Barnard’s star, the star with the largest known proper motion in the skjy can be seen only with a telescope because its apparent magnitude is +9.54. Its distance from Earth is 1.81 parsecs. How much closer to Earth would it have to be in order to be visible to the naked eye? Suppose two stars have ...
... 3 Barnard’s star, the star with the largest known proper motion in the skjy can be seen only with a telescope because its apparent magnitude is +9.54. Its distance from Earth is 1.81 parsecs. How much closer to Earth would it have to be in order to be visible to the naked eye? Suppose two stars have ...
Chapter 29 Stellar Evolution
... Absolute Magnitude: Also called luminosity How it would look if we were 10 parsecs away. ...
... Absolute Magnitude: Also called luminosity How it would look if we were 10 parsecs away. ...
The distance that light travels in a year is 9.5 trillion km. The
... The distance that light travels in a year is 9.5 trillion km. The brightest star in the sky, Sirius, is almost 9 light years away. How long does it take light to travel from Sirius to Earth? ...
... The distance that light travels in a year is 9.5 trillion km. The brightest star in the sky, Sirius, is almost 9 light years away. How long does it take light to travel from Sirius to Earth? ...
Homework 7
... Due Friday, November 22, 2013 at 5 p.m., either electronically or on paper. 1. How does solar nebula theory explain the dramatic density difference between the terrestrial and Jovian planets? ...
... Due Friday, November 22, 2013 at 5 p.m., either electronically or on paper. 1. How does solar nebula theory explain the dramatic density difference between the terrestrial and Jovian planets? ...
PH507 - University of Kent
... 1. Calculate the luminosity (in units of the solar luminosity) of a blackbody of Saturn’s radius that has a temperature of 1000 K? Explain the steps you take in the derivation. The surface temperature of the Sun is 5780 K. The radii of Saturn and the Sun are 6.00 x 107 m and 6.96 x 108 m, respective ...
... 1. Calculate the luminosity (in units of the solar luminosity) of a blackbody of Saturn’s radius that has a temperature of 1000 K? Explain the steps you take in the derivation. The surface temperature of the Sun is 5780 K. The radii of Saturn and the Sun are 6.00 x 107 m and 6.96 x 108 m, respective ...
sa`d al-malik - WordPress.com
... constellations along the zodiac (the sun's apparent path). • It was one of the 48 constellations listed by the 2nd century AD astronomer Ptolemy, and it remains one of the 88 modern constellations. •It is found in a region often called the Sea due to its profusion of constellations with watery assoc ...
... constellations along the zodiac (the sun's apparent path). • It was one of the 48 constellations listed by the 2nd century AD astronomer Ptolemy, and it remains one of the 88 modern constellations. •It is found in a region often called the Sea due to its profusion of constellations with watery assoc ...
Aquarius (constellation)
Aquarius is a constellation of the zodiac, situated between Capricornus and Pisces. Its name is Latin for ""water-carrier"" or ""cup-carrier"", and its symbol is 20px (Unicode ♒), a representation of water.Aquarius is one of the oldest of the recognized constellations along the zodiac (the sun's apparent path). It was one of the 48 constellations listed by the 2nd century AD astronomer Ptolemy, and it remains one of the 88 modern constellations. It is found in a region often called the Sea due to its profusion of constellations with watery associations such as Cetus the whale, Pisces the fish, and Eridanus the river.