Which property of a star would not change if we could observe it
... A cool star that is very luminous must have : a) A small radius b) A large radius c) A small mass d) A great distance e) A low velocity ...
... A cool star that is very luminous must have : a) A small radius b) A large radius c) A small mass d) A great distance e) A low velocity ...
Sydney Observatory night sky map June 2014
... June evenings are great for seeing the brightest part of the Milky Way high overhead. June 21st is the shortest day of the year (winter solstice; 9 hours and 48 minutes of daylight) when the Sun is at its most northerly position in the sky. Saturn is located towards the east in Libra. Mars can be se ...
... June evenings are great for seeing the brightest part of the Milky Way high overhead. June 21st is the shortest day of the year (winter solstice; 9 hours and 48 minutes of daylight) when the Sun is at its most northerly position in the sky. Saturn is located towards the east in Libra. Mars can be se ...
Document
... the star will remain which is a white dwarf 6. Explain why stars appear to move in the night sky. (MC) Because Earth moves 7. Understand how scientists can find the temperature and chemical composition of a star. (MC) They use a spectrum 8. The majority of the universe is made of ___dark______ matte ...
... the star will remain which is a white dwarf 6. Explain why stars appear to move in the night sky. (MC) Because Earth moves 7. Understand how scientists can find the temperature and chemical composition of a star. (MC) They use a spectrum 8. The majority of the universe is made of ___dark______ matte ...
Our Star - the Sun
... A spectrum binary appears to be a single star but has a spectrum with the absorption lines for two distinctly different spectral types 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 t ...
... A spectrum binary appears to be a single star but has a spectrum with the absorption lines for two distinctly different spectral types 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 t ...
A Star is Born!
... • The Zero Age Main Sequence (ZAMS) represents the onset or start of nuclear burning (fusion) • The properties of a star on the ZAMS are primarily determined by its mass, somewhat dependent on composition (He and heavier elements) ...
... • The Zero Age Main Sequence (ZAMS) represents the onset or start of nuclear burning (fusion) • The properties of a star on the ZAMS are primarily determined by its mass, somewhat dependent on composition (He and heavier elements) ...
characteristics of stars
... Our galaxy is called the Milky Way because when we view it, it looks like __________ __________. There are at least _____ billion stars in our galaxy. The Milky Way is _________ - shaped. The sun is located near the ______ of the disk. In the central bulge, the stars are so numerous that they appear ...
... Our galaxy is called the Milky Way because when we view it, it looks like __________ __________. There are at least _____ billion stars in our galaxy. The Milky Way is _________ - shaped. The sun is located near the ______ of the disk. In the central bulge, the stars are so numerous that they appear ...
Sky Notes - February 2012 - North Devon Astronomical Society
... surface temperature of around 10,000 degrees Celcius - about twice as hot as our Sun. In fact, it’s name is derived from the Greek ‘Seirios’ meaning ‘glowing’ or ‘scorcher’ - very appropriate. In addition, the star is somewhat larger than the Sun, more than twice as massive and around 25 times as lu ...
... surface temperature of around 10,000 degrees Celcius - about twice as hot as our Sun. In fact, it’s name is derived from the Greek ‘Seirios’ meaning ‘glowing’ or ‘scorcher’ - very appropriate. In addition, the star is somewhat larger than the Sun, more than twice as massive and around 25 times as lu ...
Word
... Just as brightness is related to apparent magnitude, luminosity is related to a term called “absolute magnitude.” Astronomers refer to a star’s “absolute magnitude (M)” as the apparent magnitude it would have at an arbitrary standardized distance of 10 parsecs (i.e., 32.6 light-years). #2. Combine ...
... Just as brightness is related to apparent magnitude, luminosity is related to a term called “absolute magnitude.” Astronomers refer to a star’s “absolute magnitude (M)” as the apparent magnitude it would have at an arbitrary standardized distance of 10 parsecs (i.e., 32.6 light-years). #2. Combine ...
Stellar Classification Worksheet 2
... Explain how each of the 5 characteristics in the boxes below is used to classify stars. In each box, give 2 examples of stars and their specific characteristics. Use pages 127-129 in the textbook and the examples below to complete the worksheet. ...
... Explain how each of the 5 characteristics in the boxes below is used to classify stars. In each box, give 2 examples of stars and their specific characteristics. Use pages 127-129 in the textbook and the examples below to complete the worksheet. ...
Absolute Magnitude - School
... closer the star is to us the brighter it will appear to be. The Absolute Magnitude (M) of a star is a measure of how luminous it actually is, or rather how bright it would appear to be from a certain distance compared with every other star at the same distance. M is defined as how bright a star woul ...
... closer the star is to us the brighter it will appear to be. The Absolute Magnitude (M) of a star is a measure of how luminous it actually is, or rather how bright it would appear to be from a certain distance compared with every other star at the same distance. M is defined as how bright a star woul ...
Space Science Unit
... phase of the star’s life cycle the star is in and other important information about the star. • Most stars are what we consider main sequence (including our sun). They make up 90% of the stars in our sky. These stars are the diagonal strip running through the middle of the chart. ...
... phase of the star’s life cycle the star is in and other important information about the star. • Most stars are what we consider main sequence (including our sun). They make up 90% of the stars in our sky. These stars are the diagonal strip running through the middle of the chart. ...
A Red Giant - Cloudfront.net
... for about 15 million years. In the cool outer layers flakes of Carbon and Silicon form They are blown away by photons from the Core taking the outer layers of gas with them forming a … ...
... for about 15 million years. In the cool outer layers flakes of Carbon and Silicon form They are blown away by photons from the Core taking the outer layers of gas with them forming a … ...
Twinkle, Twinkle Little Star
... needed to give birth to stars.. – Gas – Dust The Space Nursery provides both these materials in the clouds in the atmosphere of space! ...
... needed to give birth to stars.. – Gas – Dust The Space Nursery provides both these materials in the clouds in the atmosphere of space! ...
Star Life Cycle Computer Lab
... 2. The gas and dust that fills up much of space is called ________________. 3. Large collections of this dust and gas form ________________. 4. What is equilibrium? Stars 5. What is the main sequence? 6. Do the “ Interactive Lab”. Compare the time it takes to reach main sequence for: Small Low Mediu ...
... 2. The gas and dust that fills up much of space is called ________________. 3. Large collections of this dust and gas form ________________. 4. What is equilibrium? Stars 5. What is the main sequence? 6. Do the “ Interactive Lab”. Compare the time it takes to reach main sequence for: Small Low Mediu ...
Name
... The Apparent Magnitude Scale The apparent magnitude of stars was first recorded by the Greek astronomer Hipparchus about 160 B.C. Hipparchus grouped stars according to their brightness or magnitude. He called the twenty brightest stars first magnitude stars. Stars half that bright were second magnit ...
... The Apparent Magnitude Scale The apparent magnitude of stars was first recorded by the Greek astronomer Hipparchus about 160 B.C. Hipparchus grouped stars according to their brightness or magnitude. He called the twenty brightest stars first magnitude stars. Stars half that bright were second magnit ...