Unit 6--Astronomy
... 29.According to Figure 25-1, which main-sequence stars are brightest? a. the smallest c. the hottest b. the coolest d. none of the above 30.According to Figure 25-1, the sun has an absolute magnitude of ____. a. –5 c. 5 b. 0 d. 5000 31.Another name for the interstellar matter that will eventually f ...
... 29.According to Figure 25-1, which main-sequence stars are brightest? a. the smallest c. the hottest b. the coolest d. none of the above 30.According to Figure 25-1, the sun has an absolute magnitude of ____. a. –5 c. 5 b. 0 d. 5000 31.Another name for the interstellar matter that will eventually f ...
PH109 Exploring the Uiverse, Test #4, Spring, 1999
... 33. How long does it takes the Sun to travel around the center of the Galaxy a) one billion years, b) 250 million years, c) one million years, d) 5 billion years 34. Galaxies which show no flat structural feature, but just a smooth apparently three-dimensional luminosity structure, are called a) bor ...
... 33. How long does it takes the Sun to travel around the center of the Galaxy a) one billion years, b) 250 million years, c) one million years, d) 5 billion years 34. Galaxies which show no flat structural feature, but just a smooth apparently three-dimensional luminosity structure, are called a) bor ...
Integrative Studies 410 Our Place in the Universe
... which will be in units “parsecs” • By definition, d=1pc if p=1”, so convert d to A.U. by using trigonometry • To calculate p for star with d given in lightyears, use d=1/p but convert ly to pc. • Remember: 1 degree = 3600” • Note: p is half the angle the star moves in half a year ...
... which will be in units “parsecs” • By definition, d=1pc if p=1”, so convert d to A.U. by using trigonometry • To calculate p for star with d given in lightyears, use d=1/p but convert ly to pc. • Remember: 1 degree = 3600” • Note: p is half the angle the star moves in half a year ...
Stars, Galaxies & Universe
... Classifying Stars • Stars are classified by size, temperature, and brightness. • Temperature of a star is indicated by color, hot stars are blue & cooler stars are red. • Apparent brightness is the brightness of a star as observed from earth. • Absolute magnitude is the brightness of a star observe ...
... Classifying Stars • Stars are classified by size, temperature, and brightness. • Temperature of a star is indicated by color, hot stars are blue & cooler stars are red. • Apparent brightness is the brightness of a star as observed from earth. • Absolute magnitude is the brightness of a star observe ...
stars - Chatt
... out of fuel. • When it “dies” it will become a white dwarf. • Our Sun is bigger than 95% of the stars in the Universe. • The Size Of Our World ...
... out of fuel. • When it “dies” it will become a white dwarf. • Our Sun is bigger than 95% of the stars in the Universe. • The Size Of Our World ...
15 - Edmodo
... 1. Where did the Hertzsprung-Russell diagram come from? Why is it significant? (2 Marks) ...
... 1. Where did the Hertzsprung-Russell diagram come from? Why is it significant? (2 Marks) ...
Astro 1 & 100 Levine Homework Stars Name:____________________________
... Brightest ______ ______ ______ ______ ______ ______ Dimmest Or, all have the same luminosity ______________ 2. Rank these stars in order of apparent brightness, from brightest to dimmest: Brightest ______ ______ ______ ______ ______ ______ Dimmest Or, all have the same apparent brightness __________ ...
... Brightest ______ ______ ______ ______ ______ ______ Dimmest Or, all have the same luminosity ______________ 2. Rank these stars in order of apparent brightness, from brightest to dimmest: Brightest ______ ______ ______ ______ ______ ______ Dimmest Or, all have the same apparent brightness __________ ...
SSG Coordinators will be at the Cronan Ranch observing site at 6
... 4200 light years away. This is a much larger (15 minutes of arc) and older cluster than M36 but the density of the cluster is much lower. Messier 37 is our third open cluster, and this is my personal favorite. To find it, jump across that imaginary line between Beta and Theta Aurigae to a spot about ...
... 4200 light years away. This is a much larger (15 minutes of arc) and older cluster than M36 but the density of the cluster is much lower. Messier 37 is our third open cluster, and this is my personal favorite. To find it, jump across that imaginary line between Beta and Theta Aurigae to a spot about ...
Stars
... • Earth rotates on its axis, this makes most constellations appear to rise in the east and set in the west during the night. • Most constellations appear in many different positions in the sky as the Earth revolves around the sun. • There is a group of stars that appear in the sky all night long and ...
... • Earth rotates on its axis, this makes most constellations appear to rise in the east and set in the west during the night. • Most constellations appear in many different positions in the sky as the Earth revolves around the sun. • There is a group of stars that appear in the sky all night long and ...
L = σAT 4
... An electron in a higher state than the ground state is called an excited electron. ...
... An electron in a higher state than the ground state is called an excited electron. ...
Math Guide
... Learning Success Center on the fifth floor of the Edmon Low Library (744-5818), and google specific topics. A couple questions on every astronomy test will involve some of the math below. Mastery of it will pay you dividends at OSU and for the rest of your life! Astronomical Magnitude Scale (ASTR 10 ...
... Learning Success Center on the fifth floor of the Edmon Low Library (744-5818), and google specific topics. A couple questions on every astronomy test will involve some of the math below. Mastery of it will pay you dividends at OSU and for the rest of your life! Astronomical Magnitude Scale (ASTR 10 ...
Astronomy Quiz 12 “Stars
... B. yellow dwarfs / red supergiant D. red dwarfs / blue supergiant _____3. The actual 3D motion of stars relative to each other in a rotating and swirling galaxy is called __ motion. A. radial B. proper C. real D. transverse _____4. How far away is a star that shows 1” (1 arc second) of parallax moti ...
... B. yellow dwarfs / red supergiant D. red dwarfs / blue supergiant _____3. The actual 3D motion of stars relative to each other in a rotating and swirling galaxy is called __ motion. A. radial B. proper C. real D. transverse _____4. How far away is a star that shows 1” (1 arc second) of parallax moti ...
Consequences of Neutrino Emission from a Phase
... In our study we did not consider the detail formation process from normal matter to quark matter. We simply assume that a neutron star suddenly undergoes a phase-transition. We use a 3D Newtonian hydrodynamic code to study the consequences of phase-transitioninduced collapse. This code solves a set ...
... In our study we did not consider the detail formation process from normal matter to quark matter. We simply assume that a neutron star suddenly undergoes a phase-transition. We use a 3D Newtonian hydrodynamic code to study the consequences of phase-transitioninduced collapse. This code solves a set ...
13 - Joe Griffin Media Ministries
... Although my emphasis was on the star observed by the Magi, I did touch on this a couple of times while explaining the Carousel. The Enochian School teaches that the starry story begins with Virgo (virgin birth) and ends with Leo (Second Advent) and in between is the angelic conflict being resolved b ...
... Although my emphasis was on the star observed by the Magi, I did touch on this a couple of times while explaining the Carousel. The Enochian School teaches that the starry story begins with Virgo (virgin birth) and ends with Leo (Second Advent) and in between is the angelic conflict being resolved b ...
Part 3
... the light curve is not equal causes： 1 Asymmetry of the common envelope 2 Stellar dark spots model 3 Hot spots model problems： 1 We don’t know which mechanism is dominant 2 We don’t know the reason(s) which caused the O’connell effect type changes ...
... the light curve is not equal causes： 1 Asymmetry of the common envelope 2 Stellar dark spots model 3 Hot spots model problems： 1 We don’t know which mechanism is dominant 2 We don’t know the reason(s) which caused the O’connell effect type changes ...
The Young Astronomers Newsletter Volume 22 Number 3 February
... 2009 FD had been ranked among the top five objects in a list of the most dangerous objects, but new observations have now shown that it is far less likely to hit the Earth than had been feared. ...
... 2009 FD had been ranked among the top five objects in a list of the most dangerous objects, but new observations have now shown that it is far less likely to hit the Earth than had been feared. ...
Lyra
Lyra (/ˈlaɪərə/; Latin for lyre, from Greek λύρα) is a small constellation. It is one of 48 listed by the 2nd century astronomer Ptolemy, and is one of the 88 constellations recognized by the International Astronomical Union. Lyra was often represented on star maps as a vulture or an eagle carrying a lyre, and hence sometimes referred to as Aquila Cadens or Vultur Cadens. Beginning at the north, Lyra is bordered by Draco, Hercules, Vulpecula, and Cygnus. Lyra is visible from the northern hemisphere from spring through autumn, and nearly overhead, in temperate latitudes, during the summer months. From the southern hemisphere, it is visible low in the northern sky during the winter months.The lucida or brightest star—and one of the brightest stars in the sky—is the white main sequence star Vega, a corner of the Summer Triangle. Beta Lyrae is the prototype of a class of stars known as Beta Lyrae variables, binary stars so close to each other that they become egg-shaped and material flows from one to the other. Epsilon Lyrae, known informally as the Double Double, is a complex multiple star system. Lyra also hosts the Ring Nebula, the second-discovered and best-known planetary nebula.