Exploring and Observing the Sun and Stars
... This lesson is one approach to teaching the State Standards associated with this unit. Districts are encouraged to customize this lesson by supplementing with district-approved resources, materials, and activities to best meet the needs of learners. The duration for this lesson is only a recommendat ...
... This lesson is one approach to teaching the State Standards associated with this unit. Districts are encouraged to customize this lesson by supplementing with district-approved resources, materials, and activities to best meet the needs of learners. The duration for this lesson is only a recommendat ...
D2 Stellar characteristics and stellar evolution
... Hunter - the first direct picture of the surface of a star other than the Sun. While Betelgeuse is cooler than the Sun, it is more massive and over 1000 times larger. If placed at the center of our Solar System, it would extend past the orbit of Jupiter (has an immense but highly variable, outer atm ...
... Hunter - the first direct picture of the surface of a star other than the Sun. While Betelgeuse is cooler than the Sun, it is more massive and over 1000 times larger. If placed at the center of our Solar System, it would extend past the orbit of Jupiter (has an immense but highly variable, outer atm ...
Exam 2 Physics 102 - Colorado Mesa University
... 7) Which of the following statements correctly describes the law of conservation of energy? A) The fact that you can fuse hydrogen into helium to produce energy means that helium can be turned into hydrogen to produce energy. B) It is not really possible for an object to gain or lose potential ener ...
... 7) Which of the following statements correctly describes the law of conservation of energy? A) The fact that you can fuse hydrogen into helium to produce energy means that helium can be turned into hydrogen to produce energy. B) It is not really possible for an object to gain or lose potential ener ...
Stars on the HR Diagram
... observed? What do you think causes these differences and similarities? ...
... observed? What do you think causes these differences and similarities? ...
RR animation
... • Stars that exhibit pulsation periods on the order of a few days to months, are 4–20 times more massive than the Sun, and up to 100,000 times more luminous. • Cepheids are supergiants of spectral class F6 – K2 and their radii change by several million km (30%) in the process. • There exists a well- ...
... • Stars that exhibit pulsation periods on the order of a few days to months, are 4–20 times more massive than the Sun, and up to 100,000 times more luminous. • Cepheids are supergiants of spectral class F6 – K2 and their radii change by several million km (30%) in the process. • There exists a well- ...
P2_5 The Apparent Magnitude of α Orionis Supernova
... From equation 3 and the aforementioned values the apparent magnitude of Betelgeuse is ≈ -8.7. Conclusion It has been found that when α Orionis becomes a supernova, it will be visible during the day. However, it will appear as a bright star rather than illuminating the Earth in the same way as the su ...
... From equation 3 and the aforementioned values the apparent magnitude of Betelgeuse is ≈ -8.7. Conclusion It has been found that when α Orionis becomes a supernova, it will be visible during the day. However, it will appear as a bright star rather than illuminating the Earth in the same way as the su ...
The Time of Day
... into 24 major time zones, centered every 15° of longitude, in which the time differs by one hour from one zone to the next. With this system, clocks in a time zone all read the same, and they are at most a half hour ahead of or behind what they would be if the time were measured locally. Many region ...
... into 24 major time zones, centered every 15° of longitude, in which the time differs by one hour from one zone to the next. With this system, clocks in a time zone all read the same, and they are at most a half hour ahead of or behind what they would be if the time were measured locally. Many region ...
We Are Made of Stardust
... The blue-white star Rigel (the left foot of Orion the Hunter) is the 7th brightest star in the night sky. It is 55,000 times brighter than our sun, but its location 900 light years distant prevents it from outshining all the other stars. If Rigel were to swap places with Sirius (just 8.7 light years ...
... The blue-white star Rigel (the left foot of Orion the Hunter) is the 7th brightest star in the night sky. It is 55,000 times brighter than our sun, but its location 900 light years distant prevents it from outshining all the other stars. If Rigel were to swap places with Sirius (just 8.7 light years ...
The Parallax Activity: Measuring the Distances to
... of less than 10% using ground-based measurements. Other techniques must be used (see Extension Activity D) beyond 200 light years. 4. The Hipparcos satellite (1989-93) measured the positions of stars with great accuracy, since it was above the fluctuat- ing ...
... of less than 10% using ground-based measurements. Other techniques must be used (see Extension Activity D) beyond 200 light years. 4. The Hipparcos satellite (1989-93) measured the positions of stars with great accuracy, since it was above the fluctuat- ing ...
Stars, Galaxies, and the Universe Section 1
... much light the star emits and how far the star is from Earth. • Absolute magnitude the brightness that a star would have at a distance of 32.6 light-years from Earth • The brighter a star is, the lower the number of its ...
... much light the star emits and how far the star is from Earth. • Absolute magnitude the brightness that a star would have at a distance of 32.6 light-years from Earth • The brighter a star is, the lower the number of its ...
Sun - El Camino College
... 1. Sunspots – the dark inner part is called the umbra, while the outer, gray areas are the penumbra – do not confuse this context with eclipses, which use the same words. Label both parts when visible. 2. Prominences – cloudlike eruptions from the surface that usually fall back down; they look dark ...
... 1. Sunspots – the dark inner part is called the umbra, while the outer, gray areas are the penumbra – do not confuse this context with eclipses, which use the same words. Label both parts when visible. 2. Prominences – cloudlike eruptions from the surface that usually fall back down; they look dark ...
1 Ay 124 Winter 2014 – HOMEWORK #1
... Assume for the time being that the Galaxy has no dust, and that we are observing along a line of sight at b = 0 deg and l = 180 deg. We are interested in observing the most distant solar-type stars (MV ' +5.1) possible, but our apparent magnitude limit for the observations is mV = 24.0. The central ...
... Assume for the time being that the Galaxy has no dust, and that we are observing along a line of sight at b = 0 deg and l = 180 deg. We are interested in observing the most distant solar-type stars (MV ' +5.1) possible, but our apparent magnitude limit for the observations is mV = 24.0. The central ...
Sun`s Exterior
... see on the Sun are located where the Sun goes from opaque to transparent. This layer is known as the “photosphere”. The layers below are dense enough that light must scatter many, many times to flow outward. The Sun’s interior is opaque. The photosphere and the layers above are much lower density an ...
... see on the Sun are located where the Sun goes from opaque to transparent. This layer is known as the “photosphere”. The layers below are dense enough that light must scatter many, many times to flow outward. The Sun’s interior is opaque. The photosphere and the layers above are much lower density an ...
our brightest star - El Camino College
... 1. Sunspots – the dark inner part is called the umbra, while the outer, gray areas are the penumbra – do not confuse this context with eclipses, which use the same words. Label both parts when visible. 2. Prominences – cloudlike eruptions from the surface that usually fall back down; they look dark ...
... 1. Sunspots – the dark inner part is called the umbra, while the outer, gray areas are the penumbra – do not confuse this context with eclipses, which use the same words. Label both parts when visible. 2. Prominences – cloudlike eruptions from the surface that usually fall back down; they look dark ...
The Milky Way - Montgomery College
... structure of our Milky Way I. Select bright objects that you can see throughout the Milky Way and trace their directions and distances. II. Observe objects at wavelengths other than visible (to circumvent the problem of optical obscuration), and catalog their directions and distances. III. Trace the ...
... structure of our Milky Way I. Select bright objects that you can see throughout the Milky Way and trace their directions and distances. II. Observe objects at wavelengths other than visible (to circumvent the problem of optical obscuration), and catalog their directions and distances. III. Trace the ...
Star Types - University of Massachusetts Amherst
... This fusion takes place at very high temperatures and the new thermal pressure causes the outer layers to expand into a giant star. Both the cooling/collapsing inert He core and the H-burning shell contributes to energy output. Star overproduces energy: it expands, surface cools, and becomes a lumin ...
... This fusion takes place at very high temperatures and the new thermal pressure causes the outer layers to expand into a giant star. Both the cooling/collapsing inert He core and the H-burning shell contributes to energy output. Star overproduces energy: it expands, surface cools, and becomes a lumin ...
Chapter 10 Cycles and Patterns in Space D64 Lesson Preview
... revolve, they also rotate (ROH tayt). To rotate is to spin around an axis (AK sihs). An axis is an imaginary line through the center of an object. Earth's axis goes through the North and South Poles. Imagine it is sunrise where you live. As Earth rotates, the side of Earth where you live turns to fa ...
... revolve, they also rotate (ROH tayt). To rotate is to spin around an axis (AK sihs). An axis is an imaginary line through the center of an object. Earth's axis goes through the North and South Poles. Imagine it is sunrise where you live. As Earth rotates, the side of Earth where you live turns to fa ...
Introduction to Astronomy
... – Like Doppler shift due to star’s motion – As light escapes from the star’s surface, gravity pulls on it, “stretching” the light wave – So light from a highmass object appears redder than it actually is But photons have no mass, so how does Gravity work on it?! General Relativity! ...
... – Like Doppler shift due to star’s motion – As light escapes from the star’s surface, gravity pulls on it, “stretching” the light wave – So light from a highmass object appears redder than it actually is But photons have no mass, so how does Gravity work on it?! General Relativity! ...
Sections 5 - Columbia Physics
... Consider an idealized Sun and Earth as blackbodies in otherwise empty space. The Sun has a surface temperature TS = 6,000 K, and heat transfer processes on the Earth are effective enough to keep the Earth’s surface temperature uniform. The radius of the Earth is RE = 6.4 × 106 m, the radius of t ...
... Consider an idealized Sun and Earth as blackbodies in otherwise empty space. The Sun has a surface temperature TS = 6,000 K, and heat transfer processes on the Earth are effective enough to keep the Earth’s surface temperature uniform. The radius of the Earth is RE = 6.4 × 106 m, the radius of t ...
Neutron Star
... neutron star. – Very hot: 200 billion K – Very small: 10 - 30 km, the size of De Kalb county – Very dense: 100 million tons per cm3 ...
... neutron star. – Very hot: 200 billion K – Very small: 10 - 30 km, the size of De Kalb county – Very dense: 100 million tons per cm3 ...
Forces and Motion - Cranston Public Schools
... At the developmental level of instruction, students will use data to identify and compare the size, location, and distance of planets in the solar system, and to identify and compare the orbits of planets and paths of meteors. Students will also use data to compare and contrast composition, atmosphe ...
... At the developmental level of instruction, students will use data to identify and compare the size, location, and distance of planets in the solar system, and to identify and compare the orbits of planets and paths of meteors. Students will also use data to compare and contrast composition, atmosphe ...
Today`s Powerpoint
... weightless. Einstein says these are equivalent. So in freefall, the light and the ball also travel in straight lines. 3. Now imagine two people in freefall on Earth, passing a ball back and forth. From their perspective, they pass the ball in a straight line. From a stationary perspective, the ball ...
... weightless. Einstein says these are equivalent. So in freefall, the light and the ball also travel in straight lines. 3. Now imagine two people in freefall on Earth, passing a ball back and forth. From their perspective, they pass the ball in a straight line. From a stationary perspective, the ball ...
Four Homework Assignments
... radius (R), assuming Kramers opacity, and using the ideal gas law, derive a very approximate R(M ) for main-sequence stars from ∼1.5 M to 4.0 M . [Hint: You will need to know whether hydrogen burning is proceeding by the PP chain or the CNO cycle.] Retain the µ dependence of your result. What powe ...
... radius (R), assuming Kramers opacity, and using the ideal gas law, derive a very approximate R(M ) for main-sequence stars from ∼1.5 M to 4.0 M . [Hint: You will need to know whether hydrogen burning is proceeding by the PP chain or the CNO cycle.] Retain the µ dependence of your result. What powe ...