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 ...
HOMEWORK #1
... 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 ...
File
... –The Earth’s orbit around the Sun causes different stars and constellations to be visible at different times during the year. ...
... –The Earth’s orbit around the Sun causes different stars and constellations to be visible at different times during the year. ...
Star Name __Direction ___ Degrees
... 21. Name three stars that are second magnitude or brighter. Give their location in direction and degrees above the horizon on the celestial sphere. Star Name __Direction Example: Polaris North ___________ ____________ ...
... 21. Name three stars that are second magnitude or brighter. Give their location in direction and degrees above the horizon on the celestial sphere. Star Name __Direction Example: Polaris North ___________ ____________ ...
LT 9: I can describe how a protostar becomes a star.
... against their luminosity (total energy given off each second) – Diagonal band that goes from upper left to lower right is the MAIN-SEQUENCE STARS – The Sun is a main sequence star ...
... against their luminosity (total energy given off each second) – Diagonal band that goes from upper left to lower right is the MAIN-SEQUENCE STARS – The Sun is a main sequence star ...
Summer Triangle (Winter in the south hemisphere) Lyra
... Lyra, the Harp, is a small constellation with a very recognizable shape. It is one of the few constellations that actually resembles the object for which it is named. Lyra is located between Hercules 武仙座 and Cygnus 天鵝座, and is best seen from May through November. Lyra includes the brilliant star Veg ...
... Lyra, the Harp, is a small constellation with a very recognizable shape. It is one of the few constellations that actually resembles the object for which it is named. Lyra is located between Hercules 武仙座 and Cygnus 天鵝座, and is best seen from May through November. Lyra includes the brilliant star Veg ...
H-R Diagram - SFA Physics
... stars in the night sky. Transfer the main sequence curve from Figure 1 onto Figure 2. ...
... stars in the night sky. Transfer the main sequence curve from Figure 1 onto Figure 2. ...
JPL Small-Body Database Browser
... Classification of Stars • Furthermore, the classifications are each divided into tenths, with labels going from 0 to 9 – e.g. If a star is said to be a G-class star, it could, at its brightest, be classified as a G9 star, and at its dimmest, be classified as a G0 star. • The Sun is classified as a ...
... Classification of Stars • Furthermore, the classifications are each divided into tenths, with labels going from 0 to 9 – e.g. If a star is said to be a G-class star, it could, at its brightest, be classified as a G9 star, and at its dimmest, be classified as a G0 star. • The Sun is classified as a ...
Stars and Galaxies – Notes
... Many stars are found in multiple-star systems. Alpha Centauri is in a multiple star system. It is made up of three stars called a triple star system. Over half of the stars in the sky have at least one companion star. Most of these stars are doublestar systems in which two stars revolve around each ...
... Many stars are found in multiple-star systems. Alpha Centauri is in a multiple star system. It is made up of three stars called a triple star system. Over half of the stars in the sky have at least one companion star. Most of these stars are doublestar systems in which two stars revolve around each ...
Space Science Distance Definitions
... means of measuring the luminosity of a star should find the same value. However, apparent brightness is not an intrinsic property of the star; it depends on your location. • Why do light sources appear fainter as a function of distance? The reason is that as light travels towards you, it is spreadin ...
... means of measuring the luminosity of a star should find the same value. However, apparent brightness is not an intrinsic property of the star; it depends on your location. • Why do light sources appear fainter as a function of distance? The reason is that as light travels towards you, it is spreadin ...
Stars
... Life span of a star depends on its size. – Very large, massive stars burn their fuel much faster than smaller stars – Their main sequence may last only a few hundred thousand years – Smaller stars will live on for billions of years because they burn their fuel much more slowly ...
... Life span of a star depends on its size. – Very large, massive stars burn their fuel much faster than smaller stars – Their main sequence may last only a few hundred thousand years – Smaller stars will live on for billions of years because they burn their fuel much more slowly ...
Astronomical terms and constants
... temperatures, bolometric corrections, and color indices of stars of various spectral types: Spectral type ...
... temperatures, bolometric corrections, and color indices of stars of various spectral types: Spectral type ...
Cetus and Lepus
... NGC-936 Mag 11.0 barred spiral galaxy NGC-157 Mag 11.5 spiral galaxy JKCS 041 is a galaxy group with the distinction of being the farthest from Earth ever observed and is estimated to be 10.2 billion light years distant. ...
... NGC-936 Mag 11.0 barred spiral galaxy NGC-157 Mag 11.5 spiral galaxy JKCS 041 is a galaxy group with the distinction of being the farthest from Earth ever observed and is estimated to be 10.2 billion light years distant. ...
Stars - TeacherWeb
... • any object 15 to 75 times the mass of Jupiter • the object would not have been able to sustain fusion like a regular star - called "failed stars" • all are parts of a binary system. (two stars orbit around one another) • possible that brown dwarfs represent a lot of the mass in the universe ...
... • any object 15 to 75 times the mass of Jupiter • the object would not have been able to sustain fusion like a regular star - called "failed stars" • all are parts of a binary system. (two stars orbit around one another) • possible that brown dwarfs represent a lot of the mass in the universe ...
Astro 2 - Red Hook Central School District
... • Binary – 2 stars appear close. Most bound together by grav. • Cepheid – varies in brightness on regular cycle of days – changing size. • Red Giant – Old star. H burning is over. Low surface T. High L, lg area. • Supergiant – very heavy star fuses elements beyond carbon. • White dwarf – solar mass ...
... • Binary – 2 stars appear close. Most bound together by grav. • Cepheid – varies in brightness on regular cycle of days – changing size. • Red Giant – Old star. H burning is over. Low surface T. High L, lg area. • Supergiant – very heavy star fuses elements beyond carbon. • White dwarf – solar mass ...
characteristics of stars
... the disk. In the central bulge, the stars are so numerous that they appear very close even though they are separated by large distance. Most of the stars outside the bulge are arranged in long ____________, called _________ which curve around the bulge. The entire Milky Way rotates around this bulge ...
... the disk. In the central bulge, the stars are so numerous that they appear very close even though they are separated by large distance. Most of the stars outside the bulge are arranged in long ____________, called _________ which curve around the bulge. The entire Milky Way rotates around this bulge ...
ppt
... • have used up their main supply of hydrogen fuel are unstable and pulsate • have a relationship between the period of a Cepheid and its luminosity • Type I Cepheids are population I stars whose brightness periods fluctuate from 1 to 100 days ...
... • have used up their main supply of hydrogen fuel are unstable and pulsate • have a relationship between the period of a Cepheid and its luminosity • Type I Cepheids are population I stars whose brightness periods fluctuate from 1 to 100 days ...
Astronomy 242: Review Questions #1 Distributed: February 10
... criteria used classify galaxies. How do key properties like ISM makeup and star formation change along the Hubble sequence? 14. Two years ago, an undergraduate class at University College London discovered Supernova 2014J in the nearby spiral galaxy M82 (Fig. 4). This type of supernova results from ...
... criteria used classify galaxies. How do key properties like ISM makeup and star formation change along the Hubble sequence? 14. Two years ago, an undergraduate class at University College London discovered Supernova 2014J in the nearby spiral galaxy M82 (Fig. 4). This type of supernova results from ...
1. If a star`s temperature is doubled but radius is kept constant, by
... 11. Star A is dim and cool and star B is bright and hot: where are they in the HR diagram? 11a. A in the bottom right, B is top left. 12. True or False: Stars on the upper main sequence are more massive than stars on the lower main sequence. 12a. True. 13. True or False: What can explain the luminos ...
... 11. Star A is dim and cool and star B is bright and hot: where are they in the HR diagram? 11a. A in the bottom right, B is top left. 12. True or False: Stars on the upper main sequence are more massive than stars on the lower main sequence. 12a. True. 13. True or False: What can explain the luminos ...
Name
... Explain the life cycle of a massive star staring with its formation to its death. Be sure to use the following terms and give all possible endings: nebula, black hole, supernova, red supergiant, main sequence, interstellar medium, pulsar ...
... Explain the life cycle of a massive star staring with its formation to its death. Be sure to use the following terms and give all possible endings: nebula, black hole, supernova, red supergiant, main sequence, interstellar medium, pulsar ...
The Life of a Star
... Dwarf (same or less mass than the sun) - 95% The sun is actually a dwarf. Giant (10 times the mass of the sun) – 4% Supergiant (30 times the mass of the sun) – 1% ...
... Dwarf (same or less mass than the sun) - 95% The sun is actually a dwarf. Giant (10 times the mass of the sun) – 4% Supergiant (30 times the mass of the sun) – 1% ...