ASTRONOMY 130
... Turn to face the south or southeastern part of the sky. You should find three bright stars that form the apexes of a large equilateral triangle. The star to the right is Betelgeuse (in Orion), the one to the left is Procyon (in Canis Minor), and the one farthest south is Sirius (in Canis Major). The ...
... Turn to face the south or southeastern part of the sky. You should find three bright stars that form the apexes of a large equilateral triangle. The star to the right is Betelgeuse (in Orion), the one to the left is Procyon (in Canis Minor), and the one farthest south is Sirius (in Canis Major). The ...
From Here on Earth
... An exposure every 10 minutes captured the Moon's position and eclipse phase, above the rugged skyline and town lights. The sequence actually effectively measures the roughly 80 minute duration of the total phase of the eclipse. Around 270 BC, the Greek astronomer Aristarchus also measured the durati ...
... An exposure every 10 minutes captured the Moon's position and eclipse phase, above the rugged skyline and town lights. The sequence actually effectively measures the roughly 80 minute duration of the total phase of the eclipse. Around 270 BC, the Greek astronomer Aristarchus also measured the durati ...
The Big Dipper Constellation
... The Big Dipper What is a Constellation? From very early times, man has been fascinated by the stars. Early stargazers began naming stars. They also noticed patterns of stars that appeared night after night in the sky. These patterns or groupings of stars are called constellations. They also began to ...
... The Big Dipper What is a Constellation? From very early times, man has been fascinated by the stars. Early stargazers began naming stars. They also noticed patterns of stars that appeared night after night in the sky. These patterns or groupings of stars are called constellations. They also began to ...
Lecture 15 (pdf from the powerpoint)
... Space Telescope reveals The Cat's Eye Nebula to be one of the most complex planetary nebulae known. In fact, the features seen in the Cat's Eye are so complex that astronomers suspect the bright central object may actually be a binary star system. ...
... Space Telescope reveals The Cat's Eye Nebula to be one of the most complex planetary nebulae known. In fact, the features seen in the Cat's Eye are so complex that astronomers suspect the bright central object may actually be a binary star system. ...
Chapter 10 Hertzsprung-Russel Diagrams and Distance to Stars
... two bands, B − V (B minus V ), was called the B-V color index. Hot stars have a negative index and cooler stars a positive index since in the magnitude system, fainter measurements have greater magnitudes. The B-V color index depends only on a star’s Temperature. Modern astronomers use two other sys ...
... two bands, B − V (B minus V ), was called the B-V color index. Hot stars have a negative index and cooler stars a positive index since in the magnitude system, fainter measurements have greater magnitudes. The B-V color index depends only on a star’s Temperature. Modern astronomers use two other sys ...
December 2015
... ionized by high energy photons emitted from stars that have often been formed within the nebula. These star forming nebula are officially called H II (H two) regions. The color red orange is due to their large amounts of hydrogen. Of course the term nebula means “fuzzy cloud” and came about when ear ...
... ionized by high energy photons emitted from stars that have often been formed within the nebula. These star forming nebula are officially called H II (H two) regions. The color red orange is due to their large amounts of hydrogen. Of course the term nebula means “fuzzy cloud” and came about when ear ...
Document
... c. Which star is the most luminous? Canopus Least luminous? GL 725A d. Which star appears the brightest? Canopus Faintest? GL 725A e. Which star’s spectrum shows the strongest Balmer lines of Hydrogen? Vega f. Which star’s spectrum most resembles the Sun’s? Centauri g. Which star is the closest (f ...
... c. Which star is the most luminous? Canopus Least luminous? GL 725A d. Which star appears the brightest? Canopus Faintest? GL 725A e. Which star’s spectrum shows the strongest Balmer lines of Hydrogen? Vega f. Which star’s spectrum most resembles the Sun’s? Centauri g. Which star is the closest (f ...
The Future Sun • Homework 5 is due Wed, 24 March at 6:30am
... O star: 30M~; 200,000L~ Lifetime=amount of fuel/consumption rate ...
... O star: 30M~; 200,000L~ Lifetime=amount of fuel/consumption rate ...
ppt
... Disk is about 0.6 kpc thick. Central bulge is 2 kpc across. Sun is located ~8 kpc from center. Andromeda Galaxy is 750 kpc away. ...
... Disk is about 0.6 kpc thick. Central bulge is 2 kpc across. Sun is located ~8 kpc from center. Andromeda Galaxy is 750 kpc away. ...
Constellations
... The first on the list of Heracles' jobs was the task of killing the Nemean Lion, a giant beast that roamed the hills and the streets of the Peloponnesian villages, devouring whomever it met. The animal's skin was immune to iron, bronze, and stone and Heracles' arrows bounced off the lion. So Heracle ...
... The first on the list of Heracles' jobs was the task of killing the Nemean Lion, a giant beast that roamed the hills and the streets of the Peloponnesian villages, devouring whomever it met. The animal's skin was immune to iron, bronze, and stone and Heracles' arrows bounced off the lion. So Heracle ...
Homework #2
... kind comes from the death of a massive star and is more common than the brighter Type Ia supernovae discussed so far in class). At what distance, in parsecs, would that supernova have a brightness equal to that of the sun? At what distance would it be 10 times fainter than the sun? Compare that to t ...
... kind comes from the death of a massive star and is more common than the brighter Type Ia supernovae discussed so far in class). At what distance, in parsecs, would that supernova have a brightness equal to that of the sun? At what distance would it be 10 times fainter than the sun? Compare that to t ...
Lecture Notes-PPT
... Stars form inside relatively dense concentrations of interstellar gas known as molecular clouds. These regions are extremely cold, causing the gas to clump to high densities. Star formation begins when the denser parts of the cloud core collapse under gravity. These cores typically have masses aroun ...
... Stars form inside relatively dense concentrations of interstellar gas known as molecular clouds. These regions are extremely cold, causing the gas to clump to high densities. Star formation begins when the denser parts of the cloud core collapse under gravity. These cores typically have masses aroun ...
The winter triangle - NRC Publications Archive
... shoulder, is a different kettle of fish altogether. It is one of a class of stars known as red supergiants. Its colour is even more clearly visible through binoculars. This star lies about 640 light years away, and has an energy output about 100,000 times that of the Sun. Our Sun is turning 4 millio ...
... shoulder, is a different kettle of fish altogether. It is one of a class of stars known as red supergiants. Its colour is even more clearly visible through binoculars. This star lies about 640 light years away, and has an energy output about 100,000 times that of the Sun. Our Sun is turning 4 millio ...
The Zodiac - Alchemical.org
... constellations associated with water, the Water Goat, the Water Bearer, and the Fishes. The ancient Babylonians saw the constellation as representing Ea, the fish-god who they also associated with an antelope. Earlier, the Sumerians had seen these stars as Enki, their river god. He was the ruler of ...
... constellations associated with water, the Water Goat, the Water Bearer, and the Fishes. The ancient Babylonians saw the constellation as representing Ea, the fish-god who they also associated with an antelope. Earlier, the Sumerians had seen these stars as Enki, their river god. He was the ruler of ...
IB_Op_F_04 - Effectsmeister
... radially approaching the earth the light spectrum will be blueshifted (all wavelengths become smaller) and if a star is moving radially away from the earth, the light spectrum will be redshifted (all wavelengths become larger). Use the four positions in the figure under part 2 to predict which star( ...
... radially approaching the earth the light spectrum will be blueshifted (all wavelengths become smaller) and if a star is moving radially away from the earth, the light spectrum will be redshifted (all wavelengths become larger). Use the four positions in the figure under part 2 to predict which star( ...
Hertzsprung-Russell Diagrams and Distance to Stars
... two bands, B − V (B minus V ), was called the B-V color index. Hot stars have a negative index and cooler stars a positive index since in the magnitude system, fainter measurements have greater magnitudes. The B-V color index depends only on a star’s Temperature. Modern astronomers use two other sys ...
... two bands, B − V (B minus V ), was called the B-V color index. Hot stars have a negative index and cooler stars a positive index since in the magnitude system, fainter measurements have greater magnitudes. The B-V color index depends only on a star’s Temperature. Modern astronomers use two other sys ...
SR Stellar Properties
... Name: ________________________________ Date: ___________________ Period: _________ H-R Diagram Scientists began to learn about stars by observing properties of stars, including brightness and color. Astronomers tried to make sense of the star data by grouping together stars with similar properties. ...
... Name: ________________________________ Date: ___________________ Period: _________ H-R Diagram Scientists began to learn about stars by observing properties of stars, including brightness and color. Astronomers tried to make sense of the star data by grouping together stars with similar properties. ...
Spring Constellations
... centaur’s front hooves, Rigil Kentaurus and Hadar, also called ά- and β-Centauri. Our closest neighbor, Proxima Centauri, a red dwarf star 4 LY away, is due south of alpha Centauri. It’s so faint that it can’t be seen with the naked eye. It’s only about 5 times larger than the earth. ...
... centaur’s front hooves, Rigil Kentaurus and Hadar, also called ά- and β-Centauri. Our closest neighbor, Proxima Centauri, a red dwarf star 4 LY away, is due south of alpha Centauri. It’s so faint that it can’t be seen with the naked eye. It’s only about 5 times larger than the earth. ...
Corona Australis
Corona Australis /kɵˈroʊnə ɒˈstreɪlɨs/ or Corona Austrina /kɵˈroʊnə ɒˈstraɪnə/ is a constellation in the Southern Celestial Hemisphere. Its Latin name means ""southern crown"", and it is the southern counterpart of Corona Borealis, the northern crown. One of the 48 constellations listed by the 2nd-century astronomer Ptolemy, it remains one of the 88 modern constellations. The Ancient Greeks saw Corona Australis as a wreath rather than a crown and associated it with Sagittarius or Centaurus. Other cultures have likened the pattern to a turtle, ostrich nest, a tent, or even a hut belonging to a rock hyrax.Although fainter than its namesake, the oval- or horseshoe-shaped pattern of its brighter stars renders it distinctive. Alpha and Beta Coronae Australis are the two brightest stars with an apparent magnitude of around 4.1. Epsilon Coronae Australis is the brightest example of a W Ursae Majoris variable in the southern sky. Lying alongside the Milky Way, Corona Australis contains one of the closest star-forming regions to our Solar System—a dusty dark nebula known as the Corona Australis Molecular Cloud, lying about 430 light years away. Within it are stars at the earliest stages of their lifespan. The variable stars R and TY Coronae Australis light up parts of the nebula, which varies in brightness accordingly.