Southern cross Crux - The Southern Cross Crux, the Southern Cross
... Acrux is a multiple star located 320 light years from the solar system. Only two components are visually distinguishable, α1 and α2 Cru, separated by 4.4". This pair can be resolved easily in a small telescope. α1 Cru is magnitude 1.40 and α2 Cru is magnitude 2.09, both hot class B1 V main sequence ...
... Acrux is a multiple star located 320 light years from the solar system. Only two components are visually distinguishable, α1 and α2 Cru, separated by 4.4". This pair can be resolved easily in a small telescope. α1 Cru is magnitude 1.40 and α2 Cru is magnitude 2.09, both hot class B1 V main sequence ...
Astronomy and Space articles
... there, of course, it far outshines Sirius. Currently the giant planet Jupiter is visible much lower down in the northern sky, and is also clearly brighter than the star. Of course, Jupiter is a planet, not a star. The name Sirius comes from the Greek Seirios, meaning 'scorching'. The name is thought ...
... there, of course, it far outshines Sirius. Currently the giant planet Jupiter is visible much lower down in the northern sky, and is also clearly brighter than the star. Of course, Jupiter is a planet, not a star. The name Sirius comes from the Greek Seirios, meaning 'scorching'. The name is thought ...
Astronomy - The-A-List
... Cepheid variables, semiregular variables, red supergiants, neutron stars, magnetars, pulsars, Wolf-Rayet stars, stellar mass black holes, x-ray binary systems and Type II ...
... Cepheid variables, semiregular variables, red supergiants, neutron stars, magnetars, pulsars, Wolf-Rayet stars, stellar mass black holes, x-ray binary systems and Type II ...
Science 8
... 13. The hottest stars are what color? _________________________________ 14. A red star is hotter / cooler than a yellow star. 15. A white star is hotter / cooler than an orange star. 16. Our sun is a ____________(color) star and is approximately __________(temperature) ...
... 13. The hottest stars are what color? _________________________________ 14. A red star is hotter / cooler than a yellow star. 15. A white star is hotter / cooler than an orange star. 16. Our sun is a ____________(color) star and is approximately __________(temperature) ...
RFS_315_answers
... mass of a star the shorter it’s lifetime as it’s fuel is used much faster. Algol B is a dying K giant star but at only .81 solar masses, it is the LESS massive of the two. The dim companion has lost a great deal of mass to it’s closely orbiting partner. 15. Polaris is a variable star – what type of ...
... mass of a star the shorter it’s lifetime as it’s fuel is used much faster. Algol B is a dying K giant star but at only .81 solar masses, it is the LESS massive of the two. The dim companion has lost a great deal of mass to it’s closely orbiting partner. 15. Polaris is a variable star – what type of ...
Stars - Denbigh Baptist Christian School
... Sizes and Distances of Stars Dwarfs – small and medium Our Sun has diameter of 865,000 miles (1,400,000 km) This size makes it a medium-sized yellow star. Giant stars – 10’s – 100’s of times larger and 100’s times more luminous. Supergiants – 100’s times larger and 1000’s times more luminous. Next c ...
... Sizes and Distances of Stars Dwarfs – small and medium Our Sun has diameter of 865,000 miles (1,400,000 km) This size makes it a medium-sized yellow star. Giant stars – 10’s – 100’s of times larger and 100’s times more luminous. Supergiants – 100’s times larger and 1000’s times more luminous. Next c ...
Classifying Stars
... Red Giants Red giants then form planetary nebula as their outer layers drift into space. This is where planets form from. These then turn into white dwarfs which are small, hot stars that consist of a hot, dense core that contracts under the force of gravity. White dwarfs cool becoming black ...
... Red Giants Red giants then form planetary nebula as their outer layers drift into space. This is where planets form from. These then turn into white dwarfs which are small, hot stars that consist of a hot, dense core that contracts under the force of gravity. White dwarfs cool becoming black ...
Stellar Evolution and the HR Diagram Study Guide
... Most stars are composed mainly of hydrogen and helium. ...
... Most stars are composed mainly of hydrogen and helium. ...
Microsoft Word Document
... Video – How the Universe Works: Supernovas (Discovery Channel 2010) 1. If a supernova occurred within a few dozen lightyears of earth, how would it affect life on our ...
... Video – How the Universe Works: Supernovas (Discovery Channel 2010) 1. If a supernova occurred within a few dozen lightyears of earth, how would it affect life on our ...
White Dwarf Stars Near The Earth
... the “ages” of the white dwarfs on this page, I mean how long they have been white dwarfs, not how long they were main-sequence stars before that.) 40 Eridani B is a member of a triple star system and was once the brightest and most massive of the three, since the other two are relatively cool K-clas ...
... the “ages” of the white dwarfs on this page, I mean how long they have been white dwarfs, not how long they were main-sequence stars before that.) 40 Eridani B is a member of a triple star system and was once the brightest and most massive of the three, since the other two are relatively cool K-clas ...
Name: ____________________________ Date: _____________ Per. _________ Stars Study Guide (Ch. 21)
... 13. What is a graph that shows the relationship between absolute brightness and surface temperature of a star? __________________ ...
... 13. What is a graph that shows the relationship between absolute brightness and surface temperature of a star? __________________ ...
For each statement or question, select the word or expression that
... B. titanium and hydrogen C. hydrogen and helium D. helium and iron ____ 15. Red giants that lose their atmospheres leave faint, Earth-sized stars called A. Cepheid variables B. blue superiants C. white dwarfs D. proton stars ____ 16. Cepheid variable stars have been used to determine the A. ages of ...
... B. titanium and hydrogen C. hydrogen and helium D. helium and iron ____ 15. Red giants that lose their atmospheres leave faint, Earth-sized stars called A. Cepheid variables B. blue superiants C. white dwarfs D. proton stars ____ 16. Cepheid variable stars have been used to determine the A. ages of ...
Apparent brightness
... that of the Sun Red giant – A giant star whose surface temperature is relatively low, so that it glows red. Dwarf – Any star with radius comparable to, or smaller than, that of the Sun (including the Sun itself) White dwarf – A dwarf star with sufficiently high surface temperature that it glow ...
... that of the Sun Red giant – A giant star whose surface temperature is relatively low, so that it glows red. Dwarf – Any star with radius comparable to, or smaller than, that of the Sun (including the Sun itself) White dwarf – A dwarf star with sufficiently high surface temperature that it glow ...
Twinkle, Twinkle, Little Star
... Exit Slip: Stars 1. What 5 characteristics are used to classify stars? 2. What can the color of a star tell you about it? ...
... Exit Slip: Stars 1. What 5 characteristics are used to classify stars? 2. What can the color of a star tell you about it? ...
Slide 1
... • Binary Stars: when two stars orbit around each other • Stars of equal mass have their center of mass in the middle ...
... • Binary Stars: when two stars orbit around each other • Stars of equal mass have their center of mass in the middle ...
The Northern Winter Constellations - Science
... The Constellations of the Winter Sky If you live in the northern latitudes and you scan the sky from the southern horizon to the region overhead, you should be able to see the following constellations on a clear winter night: Orion the Hunter, Canis Major the Great Dog, Canis Minor the Little Dog, T ...
... The Constellations of the Winter Sky If you live in the northern latitudes and you scan the sky from the southern horizon to the region overhead, you should be able to see the following constellations on a clear winter night: Orion the Hunter, Canis Major the Great Dog, Canis Minor the Little Dog, T ...
Stars
... Apparent magnitude: brightness as seen from Earth Absolute magnitude: brightness if it were a standard distance from Earth ...
... Apparent magnitude: brightness as seen from Earth Absolute magnitude: brightness if it were a standard distance from Earth ...
The Northern Winter Constellations
... The Constellations of the Winter Sky If you live in the northern latitudes and you scan the sky from the southern horizon to the region overhead, you should be able to see the following constellations on a clear winter night: Orion the Hunter, Canis Major the Great Dog, Canis Minor the Little Dog, T ...
... The Constellations of the Winter Sky If you live in the northern latitudes and you scan the sky from the southern horizon to the region overhead, you should be able to see the following constellations on a clear winter night: Orion the Hunter, Canis Major the Great Dog, Canis Minor the Little Dog, T ...
Weekly Homework Questions #3, Sep. 14, 2010
... 6. The star Fomalhaut is visible in the evening now, and will be more prominent later in the fall. Its apparent magnitude is 1.15. Is it brighter or fainter than Aldebaran, the brightest star in the constellation of Taurus, which will also be visible this fall? How much brighter or fainter is it? (a ...
... 6. The star Fomalhaut is visible in the evening now, and will be more prominent later in the fall. Its apparent magnitude is 1.15. Is it brighter or fainter than Aldebaran, the brightest star in the constellation of Taurus, which will also be visible this fall? How much brighter or fainter is it? (a ...
Stars Part 2 - westscidept
... But because the sun is so close to Earth, its apparent magnitude is -26.8, which makes it the brightest object in the sky. ...
... But because the sun is so close to Earth, its apparent magnitude is -26.8, which makes it the brightest object in the sky. ...
Roy - WordPress.com
... The Hyades is the nearest open star cluster to the Solar System at about 150 lightyears away and thus, one of the beststudied of all star clusters. It consists of hundreds of stars sharing the same age, place of origin, chemical content, and motion through space. In the constellation Taurus, its b ...
... The Hyades is the nearest open star cluster to the Solar System at about 150 lightyears away and thus, one of the beststudied of all star clusters. It consists of hundreds of stars sharing the same age, place of origin, chemical content, and motion through space. In the constellation Taurus, its b ...
The Life Cycle of Stars Webquest
... http://www.seasky.org/cosmic/sky7a01.html and answer the following questions: 1. Stars begin their lives as clouds of dust and gas called_____________. 2. What is a protostar? ...
... http://www.seasky.org/cosmic/sky7a01.html and answer the following questions: 1. Stars begin their lives as clouds of dust and gas called_____________. 2. What is a protostar? ...
Finding Constellations From Orion
... Drawing a line from Bellatrix (bell-LAY-triks) through Betelgeuse points us to Procyon (PRO-sy-on), the 8th brightest star in the sky and part of Canis Minor, the Small Dog. The two dogs are Orion’s hunting companions. Betelgeuse, Sirius, and Procyon make up the Winter Triangle. Hanging down from Or ...
... Drawing a line from Bellatrix (bell-LAY-triks) through Betelgeuse points us to Procyon (PRO-sy-on), the 8th brightest star in the sky and part of Canis Minor, the Small Dog. The two dogs are Orion’s hunting companions. Betelgeuse, Sirius, and Procyon make up the Winter Triangle. Hanging down from Or ...
Allison McGraw - WordPress.com
... scintillate much more than stars high overhead since you are looking through more air (often the refracted light will display individual colors). In space stars would not twinkle at all- and this is the ...
... scintillate much more than stars high overhead since you are looking through more air (often the refracted light will display individual colors). In space stars would not twinkle at all- and this is the ...
Characteristics of Stars
... • Absolute Magnitude: the “Real” brightness of the star. How much light it really gives off.(Need to know the distance to the Star) • Apparent Magnitude: How bright the star appears to be. ...
... • Absolute Magnitude: the “Real” brightness of the star. How much light it really gives off.(Need to know the distance to the Star) • Apparent Magnitude: How bright the star appears to be. ...