20081 Study Guide_77-120
... Similarly, astronomers detect black holes by their gravitational effects on nearby stars, gas, or dust. ...
... Similarly, astronomers detect black holes by their gravitational effects on nearby stars, gas, or dust. ...
Life of a star - bahringcarthnoians
... times the mass of our sun. They have a large radius (up to hundreds of times larger than our sun) and their surface temperature is 5,000° Kelvin and lower. They are yelloworange to red in colour. Red giants have burnt up all the hydrogen fuel in their cores. When this happens, nuclear reactions stop ...
... times the mass of our sun. They have a large radius (up to hundreds of times larger than our sun) and their surface temperature is 5,000° Kelvin and lower. They are yelloworange to red in colour. Red giants have burnt up all the hydrogen fuel in their cores. When this happens, nuclear reactions stop ...
7a Properties of Stars.pptx
... • Luminosity is the measure of the energy output from the surface of a star per second. • This is based on the star’s apparent magnitude and how far away it is. • Sun = 3.85x1026 Wa?s = 3. ...
... • Luminosity is the measure of the energy output from the surface of a star per second. • This is based on the star’s apparent magnitude and how far away it is. • Sun = 3.85x1026 Wa?s = 3. ...
Star Gazing
... • Winter/Spring: Orion’s belt, left to Sirius, right to Aldebaran (Taurus) and Pleiades ...
... • Winter/Spring: Orion’s belt, left to Sirius, right to Aldebaran (Taurus) and Pleiades ...
absolute magnitude
... • Example: Sirius: 1M.4, Sun 4M.8 – Sirius is intrinsically brighter than the Sun ...
... • Example: Sirius: 1M.4, Sun 4M.8 – Sirius is intrinsically brighter than the Sun ...
October 2013
... star, with three pairs of stars orbiting each other. The two brightest can be seen in a telescope, and the other four are 'red dwarf' stars far dimmer than our sun. Very high in the north is ...
... star, with three pairs of stars orbiting each other. The two brightest can be seen in a telescope, and the other four are 'red dwarf' stars far dimmer than our sun. Very high in the north is ...
File
... • Is it the final stage for medium size stars? • For our Sun- YES. • For stars that are part of a binary system or star cluster- NO (on next slide) • The white dwarf is the dense core left behind from the previous red giant. • 1 tsp. of white dwarf matter would have a mass of several tons. • This wi ...
... • Is it the final stage for medium size stars? • For our Sun- YES. • For stars that are part of a binary system or star cluster- NO (on next slide) • The white dwarf is the dense core left behind from the previous red giant. • 1 tsp. of white dwarf matter would have a mass of several tons. • This wi ...
May - RASC St. John`s Centre
... Venus (magnitude –3.9) the bright Evening Star shining in the west-northwest during and after twilight. Mars (magnitude +0.5) high in the west during evening in the constellation Cancer. Jupiter (magnitude –2.2) is low in the dawn. Look for it above the eastern horizon. Saturn (magnitude +0.7) is hi ...
... Venus (magnitude –3.9) the bright Evening Star shining in the west-northwest during and after twilight. Mars (magnitude +0.5) high in the west during evening in the constellation Cancer. Jupiter (magnitude –2.2) is low in the dawn. Look for it above the eastern horizon. Saturn (magnitude +0.7) is hi ...
Which property of a star would not change if we could observe it
... A star’s luminosity is then related to both a star’s size and a star’s temperature We need an organizational tool to keep all of this straight… ...
... A star’s luminosity is then related to both a star’s size and a star’s temperature We need an organizational tool to keep all of this straight… ...
H-R diagram worksheet
... Part III: Plotting Stars Mark each of the following on the H-R diagram and label it as indicated. You may use page 15 of your ESRT to help you. 6. Draw and label a long diagonal line showing the approximate location of the main sequence. 7. A large circle indicating the area where you find the bigg ...
... Part III: Plotting Stars Mark each of the following on the H-R diagram and label it as indicated. You may use page 15 of your ESRT to help you. 6. Draw and label a long diagonal line showing the approximate location of the main sequence. 7. A large circle indicating the area where you find the bigg ...
02-02Stars_Part_One
... size, temperature, and distance. -1 is bright, 6 is dim •Absolute magnitude: Apparent magnitude at a distance of 10 parsecs. Factor of only size and temperature ...
... size, temperature, and distance. -1 is bright, 6 is dim •Absolute magnitude: Apparent magnitude at a distance of 10 parsecs. Factor of only size and temperature ...
Classifying Stars - Concord Academy Boyne
... Click on the picture above to watch a video from the history channel on the life cycle of a star! Quit ...
... Click on the picture above to watch a video from the history channel on the life cycle of a star! Quit ...
Notes: 3.5 STAR EVOLUTION Name: ______ Star
... Ø All stars change into different STAGES or phases throughout their quiz questions life. using this Ø What a star ends as depends on its MASS. information. Write Ø A low mass star will evolve DIFFERENTLY than a high mass star. the questions next to the paragraph where the answers can be found. ...
... Ø All stars change into different STAGES or phases throughout their quiz questions life. using this Ø What a star ends as depends on its MASS. information. Write Ø A low mass star will evolve DIFFERENTLY than a high mass star. the questions next to the paragraph where the answers can be found. ...
A Star is Born worksheet and key
... 1. Where are all stars formed? All stars, despite their size, are formed in a nebula. 2. What are the three main types of stars? What are they based on? The stars are based on their size. Sun-like stars have a mass up to 1.5 times the size of the Sun. Huge stars have a mass from 1.5-3 times of the S ...
... 1. Where are all stars formed? All stars, despite their size, are formed in a nebula. 2. What are the three main types of stars? What are they based on? The stars are based on their size. Sun-like stars have a mass up to 1.5 times the size of the Sun. Huge stars have a mass from 1.5-3 times of the S ...
Introduction to Stars ppt
... M-Sun star has 30 times more H than the Sun, but burns it with a luminosity that is 30,000 times greater. It’s lifetime is 30/30,000 = 1/10,000 as long as the Sun – corresponding to a lifetime of only a few million years. This is a very short time, cosmically speaking. This is one reason why massive ...
... M-Sun star has 30 times more H than the Sun, but burns it with a luminosity that is 30,000 times greater. It’s lifetime is 30/30,000 = 1/10,000 as long as the Sun – corresponding to a lifetime of only a few million years. This is a very short time, cosmically speaking. This is one reason why massive ...
class17
... How would the apparent brightness of Alpha Centauri change if it were three times farther away? ...
... How would the apparent brightness of Alpha Centauri change if it were three times farther away? ...
Chapter 28 – Stars and Galaxies
... 2. Stellar mass is expressed as multiples of the sun’s mass Betelgeuse’s mass – 20 solar masses F. Temperature and Color 1. Blue stars are hot 2. Red stars are cool G. Luminosity 1. The actual brightness of the star is luminosity 2. If two stars have the same surface temperature, the larger star w ...
... 2. Stellar mass is expressed as multiples of the sun’s mass Betelgeuse’s mass – 20 solar masses F. Temperature and Color 1. Blue stars are hot 2. Red stars are cool G. Luminosity 1. The actual brightness of the star is luminosity 2. If two stars have the same surface temperature, the larger star w ...
What is a Star
... producing its own heat and light by nuclear reactions in the star's core. Stars vary in size, mass, brightness, temperature and colour. The smallest mass possible for a star is about 1/10 that of the Sun, while the brightest stars have masses more than 60 times that of the Sun. Stars are born from n ...
... producing its own heat and light by nuclear reactions in the star's core. Stars vary in size, mass, brightness, temperature and colour. The smallest mass possible for a star is about 1/10 that of the Sun, while the brightest stars have masses more than 60 times that of the Sun. Stars are born from n ...
ASTRONOMY 130
... Major). These three constellations make good reference points for the winter sky. Look below and to the left of Betelgeuse you will see a line of three stars of almost equal brightness, this is the belt of Orion. Below this there is a dimmer line of stars "hanging" from the belt and this is the swor ...
... Major). These three constellations make good reference points for the winter sky. Look below and to the left of Betelgeuse you will see a line of three stars of almost equal brightness, this is the belt of Orion. Below this there is a dimmer line of stars "hanging" from the belt and this is the swor ...
Stellar Evolution
... We do not know that all stars, regardless of their size, eventually run out of fuel and collapse due to gravity Low Mass Stars – consume fuel at a slow rate, may remain on main-sequence for up to 100 billion years, end up collapsing into white dwarfs Medium Mass Stars – go into red-giant stage, foll ...
... We do not know that all stars, regardless of their size, eventually run out of fuel and collapse due to gravity Low Mass Stars – consume fuel at a slow rate, may remain on main-sequence for up to 100 billion years, end up collapsing into white dwarfs Medium Mass Stars – go into red-giant stage, foll ...
J tieutifit meti(au.
... est to the earth on October 19th and farthest from it on the governing factor in traction systems for city n�p, North of Andromeda the eye is caught by a zigzag October 7th. but suddenly it was found electricity was destined to rowof stars resembling the letter" W;"these mark the ...
... est to the earth on October 19th and farthest from it on the governing factor in traction systems for city n�p, North of Andromeda the eye is caught by a zigzag October 7th. but suddenly it was found electricity was destined to rowof stars resembling the letter" W;"these mark the ...
Weathering, Erosion and Mass Movement
... The energy that reaches our planet from the sun is 1354 J/m2/sec ...
... The energy that reaches our planet from the sun is 1354 J/m2/sec ...
Document
... 1. Of all the stars that are currently on the main sequence, which spectral type would be least abundant? a. A, b. B, c. K, d. M 2. What mechanism is responsible for the twisting of the Sun's magnetic filed lines? a. differential rotation, b. convection, c. proton-proton cycle, d. tidal forces 3. Sy ...
... 1. Of all the stars that are currently on the main sequence, which spectral type would be least abundant? a. A, b. B, c. K, d. M 2. What mechanism is responsible for the twisting of the Sun's magnetic filed lines? a. differential rotation, b. convection, c. proton-proton cycle, d. tidal forces 3. Sy ...
Universe 8e Lecture Chapter 17 Nature of Stars
... A spectroscopic binary has spectral lines that shift back and forth in wavelength. This is caused by the Doppler effect, as the orbits of the stars carry them first toward then away from the Earth. An eclipsing binary is a system whose orbits are viewed nearly edge-on from the Earth, so that one sta ...
... A spectroscopic binary has spectral lines that shift back and forth in wavelength. This is caused by the Doppler effect, as the orbits of the stars carry them first toward then away from the Earth. An eclipsing binary is a system whose orbits are viewed nearly edge-on from the Earth, so that one sta ...
Lesson 2 Power Notes Outline
... Stars range in color from red, which indicates a cool star, to blue, which indicates a very hot star. ...
... Stars range in color from red, which indicates a cool star, to blue, which indicates a very hot star. ...