Constellations - Brown University Wiki
... seven sisters, a cluster of six bright stars ( about 200 in a telescope) known all over the world but now counted as part of the larger group called the constellation Taurus (the Bull) and the asterism “the Big Dipper”, the seven brightest stars in the larger group called Ursa Major (the Big Bear). ...
... seven sisters, a cluster of six bright stars ( about 200 in a telescope) known all over the world but now counted as part of the larger group called the constellation Taurus (the Bull) and the asterism “the Big Dipper”, the seven brightest stars in the larger group called Ursa Major (the Big Bear). ...
FINAL EXAM Name: ASTRONOMY II - 79202 Spring 1995
... PART II: Answer all problems in this part fully. Problem 1. Cepheid variable stars are used to measure the distance to some galaxies. Assume you can determine a Cepheid variable from other kinds of variable stars only if its period is less than 100 days, and that your telescope has a limiting magni ...
... PART II: Answer all problems in this part fully. Problem 1. Cepheid variable stars are used to measure the distance to some galaxies. Assume you can determine a Cepheid variable from other kinds of variable stars only if its period is less than 100 days, and that your telescope has a limiting magni ...
word document - FacStaff Home Page for CBU
... _____ e) The sun will probably go supernova sometime, probably in about 5.5 billion years. _____ f) Vega is a star that has a stellar classification of A0 V. From this we can infer that Vega is more massive than the sun. _____ g) The heaviest elements (gold, lead, uranium, etc.) are thought to be ma ...
... _____ e) The sun will probably go supernova sometime, probably in about 5.5 billion years. _____ f) Vega is a star that has a stellar classification of A0 V. From this we can infer that Vega is more massive than the sun. _____ g) The heaviest elements (gold, lead, uranium, etc.) are thought to be ma ...
Stars - Lauer Science
... Fusion – combining of the nuclei of lighter elements (hydrogen) to form a heavier element (helium). Fusion occurs in the core (middle) of a star. ...
... Fusion – combining of the nuclei of lighter elements (hydrogen) to form a heavier element (helium). Fusion occurs in the core (middle) of a star. ...
PowerPoint file - Northwest Creation Network
... stable’, suggests Galen Gisler, an astronomer at the Los Alamos National Laboratory in New Mexico.” ...
... stable’, suggests Galen Gisler, an astronomer at the Los Alamos National Laboratory in New Mexico.” ...
Octobers Meeting - Tauranga Astronomical Society
... the Lunar Module got lost and had a terrible time trying to find a suitable, reasonably smooth site to put down on and they ended up with only about five seconds of fuel left. But fortune was on their side and all went well, except for one eventuality which no one had thought about – the clumsy spa ...
... the Lunar Module got lost and had a terrible time trying to find a suitable, reasonably smooth site to put down on and they ended up with only about five seconds of fuel left. But fortune was on their side and all went well, except for one eventuality which no one had thought about – the clumsy spa ...
HR Diagram (Temperature Versus Absolute Magnitude)
... energy radiated by a star or other celestial object per second.” - ATOE ...
... energy radiated by a star or other celestial object per second.” - ATOE ...
What is a Scientist? - Cockeysville Middle School
... Identify the temperature associated with each color, and include an example of a star that would appear each color. ...
... Identify the temperature associated with each color, and include an example of a star that would appear each color. ...
Night sky
... • Sidereal time is time kept relative to the stars (rather than the Sun). Local sidereal time = 0h when a star with RA = 0h crosses the meridian (like noon = Sun crossing the meridian). • RA uses time units to make it easy to compute the position of a star on the sky at any time of night. • A star t ...
... • Sidereal time is time kept relative to the stars (rather than the Sun). Local sidereal time = 0h when a star with RA = 0h crosses the meridian (like noon = Sun crossing the meridian). • RA uses time units to make it easy to compute the position of a star on the sky at any time of night. • A star t ...
Inverse Square Law
... Earth so that bA = bB. How can we figure the ratio of the luminosities? We begin with equation 1 and set the left dis of the equation to 1 giving us the expression below which we solve for the ratio of the luminosities. ...
... Earth so that bA = bB. How can we figure the ratio of the luminosities? We begin with equation 1 and set the left dis of the equation to 1 giving us the expression below which we solve for the ratio of the luminosities. ...
Star- large ball of gas held together by large ball of gas held
... Stars originate from clouds of gas and dust molecules that clump up due to gravity. When the clump reaches the size of Jupiter, it creates enough energy by nuclear fusion to shine – becoming a star. For stars that are about the size of our sun, after main sequence they become giants, white dwarfs, a ...
... Stars originate from clouds of gas and dust molecules that clump up due to gravity. When the clump reaches the size of Jupiter, it creates enough energy by nuclear fusion to shine – becoming a star. For stars that are about the size of our sun, after main sequence they become giants, white dwarfs, a ...
Stars - Trimble County Schools
... Distance to Stars • Distance to stars from Earth is measured in Light-years – Light-year = distance light travels in one year – Light-year = 9.461 x 1015 m ...
... Distance to Stars • Distance to stars from Earth is measured in Light-years – Light-year = distance light travels in one year – Light-year = 9.461 x 1015 m ...
Lecture 5
... Binary Stars • Binary stars, in which two stars are held in orbit • around each other by their mutual gravitational attraction, are surprisingly common • Those that can be resolved into two distinct star images by an Earth-based telescope are called visual binaries • Each of the two stars in a bina ...
... Binary Stars • Binary stars, in which two stars are held in orbit • around each other by their mutual gravitational attraction, are surprisingly common • Those that can be resolved into two distinct star images by an Earth-based telescope are called visual binaries • Each of the two stars in a bina ...
Kinds of Stars
... only 2.5 to 2.6. Polaris is a double star. Its companion has a magnitude of 8.8. Scientists compare a Cepheid’s absolute and apparent magnitudes to determine its distance from Earth. ...
... only 2.5 to 2.6. Polaris is a double star. Its companion has a magnitude of 8.8. Scientists compare a Cepheid’s absolute and apparent magnitudes to determine its distance from Earth. ...
PDF version (two pages, including the full text)
... the zenith is the Scorpion, with the reddish star Antares at its heart. Antares (or 'rival of Mars') is a huge star 600 light years away, shining in visible light with 12000 times the power output of our own sun. But Antares is also so much cooler than the sun (hence the red colour) that most of its ...
... the zenith is the Scorpion, with the reddish star Antares at its heart. Antares (or 'rival of Mars') is a huge star 600 light years away, shining in visible light with 12000 times the power output of our own sun. But Antares is also so much cooler than the sun (hence the red colour) that most of its ...
SECTION 30.2 Measuring the Stars 1. Constellations are a. the
... c. measuring the position of the visible star in the pair and noting shifts as it orbits the center of mass between it and the unseen companion star. d. examining the stars’ absorption spectra. 5. When estimating the distance of stars from Earth, astronomers use the fact that nearby stars shift in p ...
... c. measuring the position of the visible star in the pair and noting shifts as it orbits the center of mass between it and the unseen companion star. d. examining the stars’ absorption spectra. 5. When estimating the distance of stars from Earth, astronomers use the fact that nearby stars shift in p ...
Astronomy 110 Announcements: 11.1 Properties of Stars
... Main-sequence stars are fusing hydrogen into helium in their cores like the Sun ...
... Main-sequence stars are fusing hydrogen into helium in their cores like the Sun ...
Stellar Physics Lecture 1
... The H-R Diagram – Other regions to note are stars of high luminosity but low temperature (indicating they are large – hence the term red giant) and stars of high temperature but low luminosity (indicating small diameters, hence white dwarf ) – As we shall see, the H-R diagram is extremely useful in ...
... The H-R Diagram – Other regions to note are stars of high luminosity but low temperature (indicating they are large – hence the term red giant) and stars of high temperature but low luminosity (indicating small diameters, hence white dwarf ) – As we shall see, the H-R diagram is extremely useful in ...
2009 Assessment Schedule (90764)
... less luminous than the sun, and spectral type of B – F. (The Sun is a main sequence star / other stars are not main sequence stars so are at different stages in their life cycles) (a) ...
... less luminous than the sun, and spectral type of B – F. (The Sun is a main sequence star / other stars are not main sequence stars so are at different stages in their life cycles) (a) ...
h-r_diagram_online_lab
... Step 2: Convert the Spectral class types into numbers, such that O is 0, B is 1, A is 2, et cetera. Highlight the data in the column labeled “Type.” Go to the “Edit” menu and choose “Replace.” In the pop-up search window, type “O” in the “Replace” line and “0.” in the “Replace with” line. (Don’t for ...
... Step 2: Convert the Spectral class types into numbers, such that O is 0, B is 1, A is 2, et cetera. Highlight the data in the column labeled “Type.” Go to the “Edit” menu and choose “Replace.” In the pop-up search window, type “O” in the “Replace” line and “0.” in the “Replace with” line. (Don’t for ...
The night sky in October and November
... cAndromeda, the beautiful daughter of Cepheus and Cassiopeia, is nearly overhead. The northeast star in the Great Square is Alpheratz (al-FEE-ratz) and becomes the head of Andromeda, with her body and dress flowing farther up to the northeast. Alpheratz comes from the Arabic name for the “navel of t ...
... cAndromeda, the beautiful daughter of Cepheus and Cassiopeia, is nearly overhead. The northeast star in the Great Square is Alpheratz (al-FEE-ratz) and becomes the head of Andromeda, with her body and dress flowing farther up to the northeast. Alpheratz comes from the Arabic name for the “navel of t ...
3.1e Finding Polaris and Sirius
... Star hopping is used to find the Andromeda Galaxy (M31). If you live where you have very dark skies, the Andromeda Galaxy is the furthest object that you can see with your naked eye – 2.4 million light years away! The galaxy appears as a small, white, fuzzy patch. When you have found the Great Squar ...
... Star hopping is used to find the Andromeda Galaxy (M31). If you live where you have very dark skies, the Andromeda Galaxy is the furthest object that you can see with your naked eye – 2.4 million light years away! The galaxy appears as a small, white, fuzzy patch. When you have found the Great Squar ...