red shift blue shift
... The event horizon is the boundary that marks the “point of no return” for a black hole. Also thought of as the size of the black hole. There is a super-massive black hole at the center of the Milky Way. ...
... The event horizon is the boundary that marks the “point of no return” for a black hole. Also thought of as the size of the black hole. There is a super-massive black hole at the center of the Milky Way. ...
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 ...
Chapter 18 Study Guide
... Complete each question or statement with as much information as we covered in class. 1. What is a star? 2. Describe the process of star formation in 5 steps. ...
... Complete each question or statement with as much information as we covered in class. 1. What is a star? 2. Describe the process of star formation in 5 steps. ...
Ch. 27.3 Star Groups
... Typically contain about 100 billion stars. Also contain bright and dark nebulae. Our own Milky Way is part of the Local Group of galaxies. Up to a trillion galaxies in the known part of the universe. ...
... Typically contain about 100 billion stars. Also contain bright and dark nebulae. Our own Milky Way is part of the Local Group of galaxies. Up to a trillion galaxies in the known part of the universe. ...
Scale of Apparent Magnitudes of Celestial Objects
... The creator of the system for measuring the apparent brightness of stars is believed to be Hipparchus, who lived in Nicaea (Turkey) during the second century BCE. Hipparchus is believed by many to be the greatest of the ancient astronomers. The original scale of apparent magnitude gave the brightest ...
... The creator of the system for measuring the apparent brightness of stars is believed to be Hipparchus, who lived in Nicaea (Turkey) during the second century BCE. Hipparchus is believed by many to be the greatest of the ancient astronomers. The original scale of apparent magnitude gave the brightest ...
What Can We See in the Night Sky?
... • Groups of stars that are close together and travel together are known as star clusters • Star clusters are part of galaxies • Open clusters – contain about 50 to 1000 stars – dispersed along the Milky Way’s main band ...
... • Groups of stars that are close together and travel together are known as star clusters • Star clusters are part of galaxies • Open clusters – contain about 50 to 1000 stars – dispersed along the Milky Way’s main band ...
chap17_f03_phints
... HINT: A star appears fainter if it is located further away, just like any luminous object. The magnitude of a star represents its brightness, either its perceived brightness, known as its apparent magnitude, or its actual, true, brightness, known as its absolute magnitude. More luminous stars have s ...
... HINT: A star appears fainter if it is located further away, just like any luminous object. The magnitude of a star represents its brightness, either its perceived brightness, known as its apparent magnitude, or its actual, true, brightness, known as its absolute magnitude. More luminous stars have s ...
Constellations
... Asterism: Smaller groups of stars that form patterns within a constellation, from the Greek word aster, meaning star ...
... Asterism: Smaller groups of stars that form patterns within a constellation, from the Greek word aster, meaning star ...
Aries The Ram - Maverick`s E-portfolio
... equinox with marked together with Gamma Arietis or Hamal, which would mark the beginning of spring[5]. Mesarthim, Gamma Arietis once was the most visible star in the vernal equinox. It is a triple star system, it’s referred to as the First Star in Aries. It has an apparent magnitude of 4.75 and 4.83 ...
... equinox with marked together with Gamma Arietis or Hamal, which would mark the beginning of spring[5]. Mesarthim, Gamma Arietis once was the most visible star in the vernal equinox. It is a triple star system, it’s referred to as the First Star in Aries. It has an apparent magnitude of 4.75 and 4.83 ...
Worksheet 4.1 Coordinates and Star Maps
... Use “SFA Star Chart 2 – Equatorial Region” (second page of the .pdf file) as needed to answer the following questions. You may discuss any questions you have in the appropriate discussion section. 1. In the equatorial coordinate system, which term is equivalent to longitude? Right Ascension is the e ...
... Use “SFA Star Chart 2 – Equatorial Region” (second page of the .pdf file) as needed to answer the following questions. You may discuss any questions you have in the appropriate discussion section. 1. In the equatorial coordinate system, which term is equivalent to longitude? Right Ascension is the e ...
CONSTELLATION CANES VENATICI the two hunting dogs Canes
... voids. It was discovered in 1988 in a deep-sky survey. • Canes Venatici contains five Messier objects, including four galaxies. The more significant are • the Whirlpool Galaxy (M51, NGC 5194) and NGC 5195, a small barred spiral galaxy that is seen face on. This was the first galaxy recognised as hav ...
... voids. It was discovered in 1988 in a deep-sky survey. • Canes Venatici contains five Messier objects, including four galaxies. The more significant are • the Whirlpool Galaxy (M51, NGC 5194) and NGC 5195, a small barred spiral galaxy that is seen face on. This was the first galaxy recognised as hav ...
H-R Diagram Notes
... • Temperature ______________________ as you move to the Right on the X-axis • Absolute Magnitude ________________________ as you move up on the Y-axis. • NEGATIVE absolute magnitude values are ____________________ than POSITIVE absolute magnitude values A star… • Starts off in the lower right hand c ...
... • Temperature ______________________ as you move to the Right on the X-axis • Absolute Magnitude ________________________ as you move up on the Y-axis. • NEGATIVE absolute magnitude values are ____________________ than POSITIVE absolute magnitude values A star… • Starts off in the lower right hand c ...
Homework 7
... Which star is the brightest in apparent magnitude? Which star is most luminous? Which star is the largest star? Which star is furthest away? For each choice, state the information from the table that was most useful in making the choice. ...
... Which star is the brightest in apparent magnitude? Which star is most luminous? Which star is the largest star? Which star is furthest away? For each choice, state the information from the table that was most useful in making the choice. ...
Extra Questions Stellar properties
... 1.A certain type of variable star is known to have an absolute magnitude of 0.0. Such stars are observed in a particular star cluster to have an average magnitude of +16.0 What is the distance to that star cluster. 2 The star Procyon in Canis Major is a prominent star in the winter sky because its a ...
... 1.A certain type of variable star is known to have an absolute magnitude of 0.0. Such stars are observed in a particular star cluster to have an average magnitude of +16.0 What is the distance to that star cluster. 2 The star Procyon in Canis Major is a prominent star in the winter sky because its a ...
Unit 11 Guide: Concepts of Earth Science Stars, Galaxies, and the
... 1. What are the names and characteristics of the three types of galaxies? What type of galaxy is the Milky Way galaxy? 2. What evidence do scientists use to support the Big Bang Theory? Explain the sequence of events predicted by the Big Bang Theory. 3. Explain Hubble’s Law. 4. Compare and contrast ...
... 1. What are the names and characteristics of the three types of galaxies? What type of galaxy is the Milky Way galaxy? 2. What evidence do scientists use to support the Big Bang Theory? Explain the sequence of events predicted by the Big Bang Theory. 3. Explain Hubble’s Law. 4. Compare and contrast ...
Chapter 29 Stellar Evolution
... • Explain why stars appear to move to an observer on the earth. • Name & describe the way astronomers measure the distance from the earth to the stars. • Explain the difference between absolute magnitude & apparent magnitude. ...
... • Explain why stars appear to move to an observer on the earth. • Name & describe the way astronomers measure the distance from the earth to the stars. • Explain the difference between absolute magnitude & apparent magnitude. ...
Spectral Class and Colour index
... As we have seen the colour of a star is related to its temperature as a consequence of Wien’s law. λmaxT = constant The spectral class (OBAFGKM) of a main sequence star is also a direct result of its temperature. One (relatively crude) way of determining the temperature (and spectral class) of a sta ...
... As we have seen the colour of a star is related to its temperature as a consequence of Wien’s law. λmaxT = constant The spectral class (OBAFGKM) of a main sequence star is also a direct result of its temperature. One (relatively crude) way of determining the temperature (and spectral class) of a sta ...
1 - Pitt County Schools
... Chapter 25 Concept Questions Name:_______________________________Date:___________________ 1. Absolute magnitude: 2. Apparent magnitude: 3. Big band theory: 4. Binary star: ...
... Chapter 25 Concept Questions Name:_______________________________Date:___________________ 1. Absolute magnitude: 2. Apparent magnitude: 3. Big band theory: 4. Binary star: ...
The distance that light travels in a year is 9.5 trillion km. The
... Put the following in order from closest to the Earth to farthest away: Sun, Andromeda Galaxy, Constellation, Neptune ...
... Put the following in order from closest to the Earth to farthest away: Sun, Andromeda Galaxy, Constellation, Neptune ...
Constellations
... No more important to Astronomers than the other 76 Constellations Their uniqueness is only because they exist as an “extension” of the ecliptic plane. ...
... No more important to Astronomers than the other 76 Constellations Their uniqueness is only because they exist as an “extension” of the ecliptic plane. ...
Aries (constellation)
Aries is one of the constellations of the zodiac. It is located in the northern celestial hemisphere between Pisces to the west and Taurus to the east. The name Aries is Latin for ram, and its symbol is 20px (Unicode ♈), representing a ram's horns. It is one of the 48 constellations described by the 2nd century astronomer Ptolemy, and remains one of the 88 modern constellations. It is a mid-sized constellation, ranking 39th overall size, with an area of 441 square degrees (1.1% of the celestial sphere).Although Aries came to represent specifically the ram whose fleece became the Golden Fleece of Ancient Greek mythology, it has represented a ram since late Babylonian times. Before that, the stars of Aries formed a farmhand. Different cultures have incorporated the stars of Aries into different constellations including twin inspectors in China and a porpoise in the Marshall Islands. Aries is a relatively dim constellation, possessing only four bright stars: Hamal (Alpha Arietis, second magnitude), Sheratan (Beta Arietis, third magnitude), Mesarthim (Gamma Arietis, fourth magnitude), and 41 Arietis (also fourth magnitude). The few deep-sky objects within the constellation are quite faint and include several pairs of interacting galaxies. Several meteor showers appear to radiate from Aries, including the Daytime Arietids and the Epsilon Arietids.