Test 2, November 14, 2016 - Physics@Brock
... 12. Which of the following features determines the resolving power of a telescope? (a) the focal length of the objective. (b) the focal length of the eyepiece. (c) the diameter of the objective. (d) the diameter of the eyepiece. 13. If the focal length of the objective of a telescope is 120 cm and t ...
... 12. Which of the following features determines the resolving power of a telescope? (a) the focal length of the objective. (b) the focal length of the eyepiece. (c) the diameter of the objective. (d) the diameter of the eyepiece. 13. If the focal length of the objective of a telescope is 120 cm and t ...
Stars and constellations
... of star. It only looks bright because it is much closer to us then any of the others. It is actually a huge ball of gas nearly a million miles (1.5 million km) across and about 93 million miles (150 million km) from the Earth. A star is really a huge cloud of very hot gas that gives out a lot of ene ...
... of star. It only looks bright because it is much closer to us then any of the others. It is actually a huge ball of gas nearly a million miles (1.5 million km) across and about 93 million miles (150 million km) from the Earth. A star is really a huge cloud of very hot gas that gives out a lot of ene ...
Spiral Elliptical Irregular - SMS 8th Grade Astronomy Unit
... We are __________________ million miles away from the sun This is called an Astronomical Unit (AU) (it would take a jet 17 years to travel this far!) Pluto is 39 AU from the sun…How many miles is that? _____________________ Anything farther than objects in our solar system has to be measured in ligh ...
... We are __________________ million miles away from the sun This is called an Astronomical Unit (AU) (it would take a jet 17 years to travel this far!) Pluto is 39 AU from the sun…How many miles is that? _____________________ Anything farther than objects in our solar system has to be measured in ligh ...
~Crowfoot
... a) young stars still in their nursery “open cluster.” b) not physically associated, but aligned along our line of sight. c) in the nearest globular cluster to Earth. 5)2 This world is Io a) 10 AU from the sun b) Io, one of the Galilean moons of Jupiter. c) yellow due to the presence of Uranium ore o ...
... a) young stars still in their nursery “open cluster.” b) not physically associated, but aligned along our line of sight. c) in the nearest globular cluster to Earth. 5)2 This world is Io a) 10 AU from the sun b) Io, one of the Galilean moons of Jupiter. c) yellow due to the presence of Uranium ore o ...
temperature - University of Texas Astronomy Home Page
... The most important PhD thesis in modern astrophysics: the stars are MOSTLY hydrogen (and helium) with trace levels of other elements. We only see those strong lines from the trace elements when there are variations in stellar temperature. ...
... The most important PhD thesis in modern astrophysics: the stars are MOSTLY hydrogen (and helium) with trace levels of other elements. We only see those strong lines from the trace elements when there are variations in stellar temperature. ...
Lab 5 Takehome
... Figure 1 on the attached page shows the HR diagram that you were given in class. Figure 2 shows the same stars, but here what’s plotted is the apparent brightness of the star as seen from ...
... Figure 1 on the attached page shows the HR diagram that you were given in class. Figure 2 shows the same stars, but here what’s plotted is the apparent brightness of the star as seen from ...
Galaxy
... star it is called an eclipsing star Astronomers know there are actually 2 stars by looking at the effects of gravity Our solar system is not the only solar system with planets revolving around a star In 2000, astronomers discovered a solar system about 10.5 light-years away with planets simila ...
... star it is called an eclipsing star Astronomers know there are actually 2 stars by looking at the effects of gravity Our solar system is not the only solar system with planets revolving around a star In 2000, astronomers discovered a solar system about 10.5 light-years away with planets simila ...
Chapter 18 Notes - Valdosta State University
... the fact that they are cores of galaxies that were forming when the universe was young. The amount of visible matter in the universe does not explain the motions of the stars within galaxies or those of the galaxies themselves. A type of matter called dark matter has been introduced to help explain ...
... the fact that they are cores of galaxies that were forming when the universe was young. The amount of visible matter in the universe does not explain the motions of the stars within galaxies or those of the galaxies themselves. A type of matter called dark matter has been introduced to help explain ...
Introduction to Astronomy Lab
... write a laboratory report that identifies the processes of the scientific method applied to course experiments; ...
... write a laboratory report that identifies the processes of the scientific method applied to course experiments; ...
Open cluster intro
... uncorrected for any reddening of the starlight by interstellar dust. (See sect 4.1 for more on what interstellar dust does to the starlight.) But by comparing the CMD of M26 with a cluster of stars reduced to a known distance of 10 parsecs you can estimate the reddening and derive the distance. Let’ ...
... uncorrected for any reddening of the starlight by interstellar dust. (See sect 4.1 for more on what interstellar dust does to the starlight.) But by comparing the CMD of M26 with a cluster of stars reduced to a known distance of 10 parsecs you can estimate the reddening and derive the distance. Let’ ...
Galaxies - Wallkill Valley Regional High School
... Galaxies contain millions or billions of stars held together by gravity Gravity holds galaxies together in clusters Clusters of galaxies can form even larger groups called superclusters How do we see galaxies? We can see our own Milky Way without the use of a telescope Spyglasses let us see further ...
... Galaxies contain millions or billions of stars held together by gravity Gravity holds galaxies together in clusters Clusters of galaxies can form even larger groups called superclusters How do we see galaxies? We can see our own Milky Way without the use of a telescope Spyglasses let us see further ...
Unit 6--Astronomy
... b. blue d. orange 3.Gamma rays, X-rays, visible light, and radio waves are all types of ____. a. nuclear energy c. ultraviolet radiation b. chromatic aberration d. electromagnetic radiation 4.Which of the following refers to the change in wavelength that occurs when an object moves toward or away fr ...
... b. blue d. orange 3.Gamma rays, X-rays, visible light, and radio waves are all types of ____. a. nuclear energy c. ultraviolet radiation b. chromatic aberration d. electromagnetic radiation 4.Which of the following refers to the change in wavelength that occurs when an object moves toward or away fr ...
Linking Asteroids and Meteorites through Reflectance
... around the Sun • Since they saw no changes in angular separation of the stars, they assumed the Earth was the center of the universe • They could not fathom that stars are so far away that stellar parallax is undetectable by the human ...
... around the Sun • Since they saw no changes in angular separation of the stars, they assumed the Earth was the center of the universe • They could not fathom that stars are so far away that stellar parallax is undetectable by the human ...
January 28
... Stars in the Universe • Say there are 100 billion galaxies • Each galaxy has 100 billion stars • So how many stars in the universe ...
... Stars in the Universe • Say there are 100 billion galaxies • Each galaxy has 100 billion stars • So how many stars in the universe ...
Ch 3 Sec 1 Tools of modern astronomy
... 1. The outer layer drifts away and may form a new nebula, and eventually be part of a new star 2. What’s left is smaller and denser than a dwarf. It’s called a neutron star. May be 3X as massive as our sum, but only 20 km across D. The biggest stars, more than 40X the sun, leave behind a black hole ...
... 1. The outer layer drifts away and may form a new nebula, and eventually be part of a new star 2. What’s left is smaller and denser than a dwarf. It’s called a neutron star. May be 3X as massive as our sum, but only 20 km across D. The biggest stars, more than 40X the sun, leave behind a black hole ...
Life Cycle of Stars
... of at least 300 billion stars) Astronomers and the University of Toronto believe that the Milky Way and Andromeda may collide in approximately 5 billion years! ...
... of at least 300 billion stars) Astronomers and the University of Toronto believe that the Milky Way and Andromeda may collide in approximately 5 billion years! ...
ii. star clusters
... A. Within cluster, only the stars’ ______ differs (same composition, age, etc..) B. _________ CLUSTERS 1. ___________ or thousands of stars 2. Loosely bound, __________ shape 3. _______ (Hundreds of millions of yrs.) Ex/ Pleaides (7 Sisters); Hyades C. ________________ CLUSTERS 1. ____________ 2. Do ...
... A. Within cluster, only the stars’ ______ differs (same composition, age, etc..) B. _________ CLUSTERS 1. ___________ or thousands of stars 2. Loosely bound, __________ shape 3. _______ (Hundreds of millions of yrs.) Ex/ Pleaides (7 Sisters); Hyades C. ________________ CLUSTERS 1. ____________ 2. Do ...
PHY 115–003 - Oakton Community College
... 4) At a certain time of the year, the pointer stars in the Big Dipper lie directly to the left of Polaris, when viewed from Chicago at 2 am. At the same time of year, at what time would the pointers stars of the Big Dipper appear to be directly above Polaris, as viewed from Chicago? ...
... 4) At a certain time of the year, the pointer stars in the Big Dipper lie directly to the left of Polaris, when viewed from Chicago at 2 am. At the same time of year, at what time would the pointers stars of the Big Dipper appear to be directly above Polaris, as viewed from Chicago? ...
Luminosity - UCF Physics
... measure its distance and apparent brightness: Luminosity = 4π (distance)2 x (Brightness) Note that there is a huge range in stellar ...
... measure its distance and apparent brightness: Luminosity = 4π (distance)2 x (Brightness) Note that there is a huge range in stellar ...
Name _________ Date _____________ Period ______ Skills
... _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ 11. How is an absorption spectrum produced? _______________________________________________________________ ...
... _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ 11. How is an absorption spectrum produced? _______________________________________________________________ ...
File - greenscapes4you
... detector, such as a CCD, that records how much energy strikes its light-sensitive surface each second. Total luminosity and total apparent brightness take into account all photons across the entire electromagnetic spectrum. Once a star’s apparent brightness has been measured, the next step in determ ...
... detector, such as a CCD, that records how much energy strikes its light-sensitive surface each second. Total luminosity and total apparent brightness take into account all photons across the entire electromagnetic spectrum. Once a star’s apparent brightness has been measured, the next step in determ ...
Gravitational potential energy
... Question: The Milky Way galaxy has about 5e9 solar masses of gas in total. If 2 solar masses of that gas is turned into stars each year, how many more years could the Milky Way keep up with such a star formation rate? ...
... Question: The Milky Way galaxy has about 5e9 solar masses of gas in total. If 2 solar masses of that gas is turned into stars each year, how many more years could the Milky Way keep up with such a star formation rate? ...
How much Sugar in Gum
... 1. Astronomical units are used to measure to measure large distances within the solar system. An astronomical unit is equal to the average distance between the earth and the sun. This is also equal to 93,000,000 miles. On the table below, determine the distance, in astronomical units (AU) for each o ...
... 1. Astronomical units are used to measure to measure large distances within the solar system. An astronomical unit is equal to the average distance between the earth and the sun. This is also equal to 93,000,000 miles. On the table below, determine the distance, in astronomical units (AU) for each o ...
Cosmic distance ladder
The cosmic distance ladder (also known as the extragalactic distance scale) is the succession of methods by which astronomers determine the distances to celestial objects. A real direct distance measurement of an astronomical object is possible only for those objects that are ""close enough"" (within about a thousand parsecs) to Earth. The techniques for determining distances to more distant objects are all based on various measured correlations between methods that work at close distances and methods that work at larger distances. Several methods rely on a standard candle, which is an astronomical object that has a known luminosity.The ladder analogy arises because no one technique can measure distances at all ranges encountered in astronomy. Instead, one method can be used to measure nearby distances, a second can be used to measure nearby to intermediate distances, and so on. Each rung of the ladder provides information that can be used to determine the distances at the next higher rung.