Nebulas & Stars
... • stars are hot balls of hydrogen and helium, with nuclear fusion at their core • A pulsar is a neutron star that emits beams of radiation that sweep through Earth's line of sight • Quasars are extremely bright masses of energy and light • The name quasar is actually short for quasi-stellar ...
... • stars are hot balls of hydrogen and helium, with nuclear fusion at their core • A pulsar is a neutron star that emits beams of radiation that sweep through Earth's line of sight • Quasars are extremely bright masses of energy and light • The name quasar is actually short for quasi-stellar ...
PPT
... 2. Inside the core, temperature increases as gas atom collisions increase. 3. Density of the core increases as more atoms try to share the same space. 4. Gas pressure increases as atomic collisions and density (atoms/space) increase. 5. The protostar’s gas pressure RESISTS the collapse of the nebula ...
... 2. Inside the core, temperature increases as gas atom collisions increase. 3. Density of the core increases as more atoms try to share the same space. 4. Gas pressure increases as atomic collisions and density (atoms/space) increase. 5. The protostar’s gas pressure RESISTS the collapse of the nebula ...
giant molecular clouds
... Contains many massive, very young stars, including T Tauri Stars: strongly variable; bright in the infrared. ...
... Contains many massive, very young stars, including T Tauri Stars: strongly variable; bright in the infrared. ...
Stars - winterk
... followed by an outward projection of particles • Depending of the star’s size, its collapse is either in the form of a planetary nebula or a supernova • After that, it then becomes one of the following: 1) White dwarf (small/medium-sized stars) 2) Neutron star (large stars) 3) Black hole (extremely ...
... followed by an outward projection of particles • Depending of the star’s size, its collapse is either in the form of a planetary nebula or a supernova • After that, it then becomes one of the following: 1) White dwarf (small/medium-sized stars) 2) Neutron star (large stars) 3) Black hole (extremely ...
Chapter13
... Low luminosity; high temperature => White dwarfs are found in the lower left corner of the HertzsprungRussell diagram. The more massive a white dwarf, the smaller it is! ...
... Low luminosity; high temperature => White dwarfs are found in the lower left corner of the HertzsprungRussell diagram. The more massive a white dwarf, the smaller it is! ...
Astro 10 Practice Test 2
... 26. Notice the bright star just above and to the left of the center of this image. Around it, we see nebulosity that is colored bluish-white. Which type of nebulosity is this? a. A cluster of distance galaxies, which are actually far behind the nebula. b. Emission nebulosity, caused by excitation o ...
... 26. Notice the bright star just above and to the left of the center of this image. Around it, we see nebulosity that is colored bluish-white. Which type of nebulosity is this? a. A cluster of distance galaxies, which are actually far behind the nebula. b. Emission nebulosity, caused by excitation o ...
Properties of Stars
... run out of fuel and collapse due to gravity. Death of Low-Mass Stars • Stars less than one-half the mass of the sun never evolve to the red giant stage but remain in the stable main-sequence stage until they consume all their hydrogen fuel and collapse into a white dwarf. ...
... run out of fuel and collapse due to gravity. Death of Low-Mass Stars • Stars less than one-half the mass of the sun never evolve to the red giant stage but remain in the stable main-sequence stage until they consume all their hydrogen fuel and collapse into a white dwarf. ...
formation2
... stars orbit around the galaxy moving in and out of spiral arms • From the HR diagram, by far the most luminous stars are the O-type stars. Their luminosity can be 100,000 times the Sun’s. • Why is the spiral structure in galaxies so noticeable, even at great distances? ...
... stars orbit around the galaxy moving in and out of spiral arms • From the HR diagram, by far the most luminous stars are the O-type stars. Their luminosity can be 100,000 times the Sun’s. • Why is the spiral structure in galaxies so noticeable, even at great distances? ...
Powerpoint of lecture 1
... 6 magnitude classes (1 brightest, 6 just visible) Norman Pogson (~1850): defined apparent magnitude m by m = constant – 2.5 log10F , choosing constant to make scale consistent with Hipparchus. Absolute magnitude M is defined as the apparent magnitude a star ...
... 6 magnitude classes (1 brightest, 6 just visible) Norman Pogson (~1850): defined apparent magnitude m by m = constant – 2.5 log10F , choosing constant to make scale consistent with Hipparchus. Absolute magnitude M is defined as the apparent magnitude a star ...
of the star. - Colyton High School
... X. Eventually all stars will run out of fuel, and GRAVITY will win the battle against gas pressure causing the star to collapse in some way. Click on the Yellow Right Arrow to go to “The End of a Star” page. Quickly read the page, then click on the Interactive Lab at the very bottom of the page that ...
... X. Eventually all stars will run out of fuel, and GRAVITY will win the battle against gas pressure causing the star to collapse in some way. Click on the Yellow Right Arrow to go to “The End of a Star” page. Quickly read the page, then click on the Interactive Lab at the very bottom of the page that ...
How long does it take light to travel from the Moon to the Earth, a L
... ____ The Earth spins on its axis __X__ The spin axis of the Earth around its center is "lted with respect to the orbital axis of the Earth around the Sun ____ The gravita"on aQrac"on of the ...
... ____ The Earth spins on its axis __X__ The spin axis of the Earth around its center is "lted with respect to the orbital axis of the Earth around the Sun ____ The gravita"on aQrac"on of the ...
- Stevenson High School
... stars are circumpolar (perpetually in the sky, even over a 24 hours’ period). Which one of the constellations below besides Little Dipper contains stars that are circumpolar for our mid-northern hemisphere Star Wheel observer? a) Betelgeuse b) Sagittarius c) Cepheus d) Taurus 22. The daily motion of ...
... stars are circumpolar (perpetually in the sky, even over a 24 hours’ period). Which one of the constellations below besides Little Dipper contains stars that are circumpolar for our mid-northern hemisphere Star Wheel observer? a) Betelgeuse b) Sagittarius c) Cepheus d) Taurus 22. The daily motion of ...
Study Guide - Experience Astronomy
... Celestial Poles -‐ the axis of the Earth points at these northernmost and southernmost points on the celestial sphere Celestial Equator -‐ if the Earth’s equator was projected out into space, the line it would make on the celestial sphere is the celesti ...
... Celestial Poles -‐ the axis of the Earth points at these northernmost and southernmost points on the celestial sphere Celestial Equator -‐ if the Earth’s equator was projected out into space, the line it would make on the celestial sphere is the celesti ...
Stellar Magnitudes and Distances
... Concept Check! • If Polaris has m = +1.97 and M = -3.64, how far away is it? Distance = 10[ (1.97-(-3.64)+5) / 5 ] = 10[ 10.61 / 5 ] ...
... Concept Check! • If Polaris has m = +1.97 and M = -3.64, how far away is it? Distance = 10[ (1.97-(-3.64)+5) / 5 ] = 10[ 10.61 / 5 ] ...
Project Packet - Montville.net
... your sign’s constellation? If you don’t know, by the end of this activity, you will. Objectives 1. Find out where to find your zodiac sign constellation or another constellation. 2. Diagram your sign’s (or other) constellation 3. Determine characteristics of the stars in your constellation 4. Compar ...
... your sign’s constellation? If you don’t know, by the end of this activity, you will. Objectives 1. Find out where to find your zodiac sign constellation or another constellation. 2. Diagram your sign’s (or other) constellation 3. Determine characteristics of the stars in your constellation 4. Compar ...
Lecture 10 - Concord University
... galaxies and were used to help set the distances to galaxies. But, when it became clear that even the nearest galaxies were much further away than anyone had thought this suggested that the extragalactic `nova’ were much brighter than Galactic nova -- the ...
... galaxies and were used to help set the distances to galaxies. But, when it became clear that even the nearest galaxies were much further away than anyone had thought this suggested that the extragalactic `nova’ were much brighter than Galactic nova -- the ...
CelestialSphere
... after, or come up before it. If they go down after, we see them in the evening. ...
... after, or come up before it. If they go down after, we see them in the evening. ...
CelestialSphere02
... after, or come up before it. If they go down after, we see them in the evening. ...
... after, or come up before it. If they go down after, we see them in the evening. ...
Homework #7 (Ch. 19)
... Be careful about units! Please CIRCLE or put a box around your final answer if it is numerical. If you wish, you may discuss the questions with friends, but please turn in your own hand-written solutions, with questions answered in your own way. 1. Chaisson Review and Discussion 19.1 Briefly describ ...
... Be careful about units! Please CIRCLE or put a box around your final answer if it is numerical. If you wish, you may discuss the questions with friends, but please turn in your own hand-written solutions, with questions answered in your own way. 1. Chaisson Review and Discussion 19.1 Briefly describ ...
File
... crust, about a kilometer thick. This crust is very hard and very smooth. Gravity would probably prevent any irregularities larger than half a centimeter. ...
... crust, about a kilometer thick. This crust is very hard and very smooth. Gravity would probably prevent any irregularities larger than half a centimeter. ...
Star Lifecycle
... Star ---> supergiant ---> supernova ---> neutron star or black hole (most massive stars) Pulsars – Spinning neutron stars that give off pulses of radio sources. Left over from super massive star supernovas. Black Holes – From the most massive stars (More than 40 times bigger than our sun). Noth ...
... Star ---> supergiant ---> supernova ---> neutron star or black hole (most massive stars) Pulsars – Spinning neutron stars that give off pulses of radio sources. Left over from super massive star supernovas. Black Holes – From the most massive stars (More than 40 times bigger than our sun). Noth ...
Perseus (constellation)
Perseus, named after the Greek mythological hero Perseus, is a constellation in the northern sky. It was one of 48 listed by the 2nd-century astronomer Ptolemy and among the 88 modern constellations defined by the International Astronomical Union (IAU). It is located in the northern celestial hemisphere near several other constellations named after legends surrounding Perseus, including Andromeda to the west and Cassiopeia to the north. Perseus is also bordered by Aries and Taurus to the south, Auriga to the east, Camelopardalis to the north, and Triangulum to the west.The galactic plane of the Milky Way passes through Perseus but is mostly obscured by molecular clouds. The constellation's brightest star is the yellow-white supergiant Alpha Persei (also called Mirfak), which shines at magnitude 1.79. It and many of the surrounding stars are members of an open cluster known as the Alpha Persei Cluster. The best-known star, however, is Algol (Beta Persei), linked with ominous legends because of its variability, which is noticeable to the naked eye. Rather than being an intrinsically variable star, it is an eclipsing binary. Other notable star systems in Perseus include X Persei, a binary system containing a neutron star, and GK Persei, a nova that peaked at magnitude 0.2 in 1901. The Double Cluster, comprising two open clusters quite near each other in the sky, was known to the ancient Chinese. The constellation gives its name to the Perseus Cluster (Abell 426), a massive galaxy cluster located 250 million light-years from Earth. It hosts the radiant of the annual Perseids meteor shower—one of the most prominent meteor showers in the sky.