ph507lecnote06
... • In the Solar System (ONLY) orbital radii less than giant planets Much more massive terrestrial planets could exist (>10 Earth masses), though none are present in the Solar System. The Solar system also has asteroids, comets, planetary satellites and rings - we won’t discuss those in this course. D ...
... • In the Solar System (ONLY) orbital radii less than giant planets Much more massive terrestrial planets could exist (>10 Earth masses), though none are present in the Solar System. The Solar system also has asteroids, comets, planetary satellites and rings - we won’t discuss those in this course. D ...
Pretest
... sky. This is because we are looking at it from within one of its arms, so it is like looking at the edge of a dinner plate. From above and below, the Milky Way would look like a disc or a spiral because you would be outside of it and able to see the entire galaxy. The most recent evidence suggests t ...
... sky. This is because we are looking at it from within one of its arms, so it is like looking at the edge of a dinner plate. From above and below, the Milky Way would look like a disc or a spiral because you would be outside of it and able to see the entire galaxy. The most recent evidence suggests t ...
02-Voyage to the Planets
... solar wind, leaving only the solid chunks behind. As they continued to circulate around the sun, they joined together forming larger chunks. This caused a strong gravity around them and pulled all the matter in space around them, forming the Terrestrial Planets (Mercury, Venus, Earth and Mars) ...
... solar wind, leaving only the solid chunks behind. As they continued to circulate around the sun, they joined together forming larger chunks. This caused a strong gravity around them and pulled all the matter in space around them, forming the Terrestrial Planets (Mercury, Venus, Earth and Mars) ...
Hertzsprung-Russell (H-R) Diagram Hertzsprung-Russell Diagram March 16 −
... Hot-plate model of star: L=R2T4 Model of the solar interior X How to read H-R Diagram Spectrum of black body: Hotter=>bluer Energy generation in the sun X ...
... Hot-plate model of star: L=R2T4 Model of the solar interior X How to read H-R Diagram Spectrum of black body: Hotter=>bluer Energy generation in the sun X ...
te acher`s guide te acher`s guide
... counterparts. Space travelers Adi and Woops help viewers clearly answer each question using computer graphics and space footage. What are the signs of the zodiac? The signs of the zodiac are twelve different groups of stars that are named after animals or mythical creatures.They are constellations — ...
... counterparts. Space travelers Adi and Woops help viewers clearly answer each question using computer graphics and space footage. What are the signs of the zodiac? The signs of the zodiac are twelve different groups of stars that are named after animals or mythical creatures.They are constellations — ...
Recap: High Mass Stars
... • Mass of star determines location on main sequence • Ranges in size from ½ Sun to 20 times the Sun’s size • Color depends on the surface temperature ...
... • Mass of star determines location on main sequence • Ranges in size from ½ Sun to 20 times the Sun’s size • Color depends on the surface temperature ...
White Dwarf Stars
... • The heat generated by viscosity (friction) in this high speed gas produces X-rays. Some of the gas is ultimately swallowed by the black hole. ...
... • The heat generated by viscosity (friction) in this high speed gas produces X-rays. Some of the gas is ultimately swallowed by the black hole. ...
Old Final
... B) Our galaxy bends light from these galaxies to make it appear that they are moving away C) It just so happens that we are located where the big bang took place D) Dark Energy is expanding the Universe E) expansion of the universe means nearly all galaxies are all moving away from each other 40. Th ...
... B) Our galaxy bends light from these galaxies to make it appear that they are moving away C) It just so happens that we are located where the big bang took place D) Dark Energy is expanding the Universe E) expansion of the universe means nearly all galaxies are all moving away from each other 40. Th ...
10.1 The Solar Neighborhood Barnard`s Star
... 10.5 The Hertzsprung-Russell Diagram An H-R diagram of the 100 brightest stars looks quite different: These stars are all more luminous than the Sun. Two new categories appear here – the red giants and the blue giants. Clearly, the brightest stars in the sky appear bright because of their enormous ...
... 10.5 The Hertzsprung-Russell Diagram An H-R diagram of the 100 brightest stars looks quite different: These stars are all more luminous than the Sun. Two new categories appear here – the red giants and the blue giants. Clearly, the brightest stars in the sky appear bright because of their enormous ...
Chapter 40
... – Older stars had only hydrogen and helium – Elements heavier than hydrogen and helium came from the core of stars – When stars die, they spew material out – Newer stars are composed of heavier elements – We are made of star dust! ...
... – Older stars had only hydrogen and helium – Elements heavier than hydrogen and helium came from the core of stars – When stars die, they spew material out – Newer stars are composed of heavier elements – We are made of star dust! ...
The Sun Compared to Other Stars
... The Sun Compared to Other Stars • Hertzsprung-Russell (HR) Diagram: A graph plot indicating individual stars as points, with stellar luminosity on the vertical axis & surface temperature (spectral type) on the horizontal axis • We can use spectroscopy to determine the spectral type & luminosity of a ...
... The Sun Compared to Other Stars • Hertzsprung-Russell (HR) Diagram: A graph plot indicating individual stars as points, with stellar luminosity on the vertical axis & surface temperature (spectral type) on the horizontal axis • We can use spectroscopy to determine the spectral type & luminosity of a ...
File
... can detect is called the visible region. Visible light includes the colors of the rainbow: red, orange, yellow, green, blue, indigo, and violet. Within the visible light region, red light has the longest wavelength and violet light has the shortest. ...
... can detect is called the visible region. Visible light includes the colors of the rainbow: red, orange, yellow, green, blue, indigo, and violet. Within the visible light region, red light has the longest wavelength and violet light has the shortest. ...
Seasonal Motion
... – Study variation of the rising/setting points of the sun over time – Need at least 10 sunrises or sunsets; more is better – Measure time and azimuth (angle relative to North) – Note position of sunrise/sunset on horizon – Measure angle to that position relative to some fixed landmark (mountain, etc ...
... – Study variation of the rising/setting points of the sun over time – Need at least 10 sunrises or sunsets; more is better – Measure time and azimuth (angle relative to North) – Note position of sunrise/sunset on horizon – Measure angle to that position relative to some fixed landmark (mountain, etc ...
Components of Universe
... What can you see with the naked eye? [outside of the Solar System] - Milky Way stars! (meaning only stars in our own galaxy) i.e., you cannot see any individual stars in any other galaxy;-- they’re just too far and too faint ...
... What can you see with the naked eye? [outside of the Solar System] - Milky Way stars! (meaning only stars in our own galaxy) i.e., you cannot see any individual stars in any other galaxy;-- they’re just too far and too faint ...
March 2017 - Shasta Astronomy Club
... “Answering the question ‘are we alone’ is a top science priority and finding so many planets like these for the first time in the habitable zone is a remarkable step forward toward that goal.” At about 40 light-years (235 trillion miles) from Earth, the system of planets is relatively close to us, i ...
... “Answering the question ‘are we alone’ is a top science priority and finding so many planets like these for the first time in the habitable zone is a remarkable step forward toward that goal.” At about 40 light-years (235 trillion miles) from Earth, the system of planets is relatively close to us, i ...
Stars
... that is the beginning of a star (PLANETS are also formed this way) • Dwarf: a main sequence star or, the smallest of stars (up to 20 times larger than our sun and up to 20,000 times brighter. Our sun is a dwarf star.) ...
... that is the beginning of a star (PLANETS are also formed this way) • Dwarf: a main sequence star or, the smallest of stars (up to 20 times larger than our sun and up to 20,000 times brighter. Our sun is a dwarf star.) ...
HW4 due - Yale Astronomy
... Please give answers in both light-‐minutes and astronomical units. Assume that the planets have circular orbits. [HINT: Draw a diagram.] [HINT: A light-‐minute is a distance: how far light goes in 1 ...
... Please give answers in both light-‐minutes and astronomical units. Assume that the planets have circular orbits. [HINT: Draw a diagram.] [HINT: A light-‐minute is a distance: how far light goes in 1 ...
ASTR100 Homework #5 Solutions Chapter 11 #29, 31 Due
... Hydrogen into Helium via the Proton-Proton Chain. During this process the Sun will lose mass and radiate it away as energy. When the sun was born the percentages were about 94% hydrogen and 4% Helium, but now we can expect the percent of Hydrogen still available for fusion is closer to 60%. Don’t wo ...
... Hydrogen into Helium via the Proton-Proton Chain. During this process the Sun will lose mass and radiate it away as energy. When the sun was born the percentages were about 94% hydrogen and 4% Helium, but now we can expect the percent of Hydrogen still available for fusion is closer to 60%. Don’t wo ...
Habitable zone - Penn State University
... • Caveat: For planets with low volcanic outgassing rates and with low stellar insolation, it may not be possible to maintain warm climates all the time. Instead, one may get limit cycling behavior, in which the climate alternates between warm and globally glaciated states (see, e.g., Kadoya and Taji ...
... • Caveat: For planets with low volcanic outgassing rates and with low stellar insolation, it may not be possible to maintain warm climates all the time. Instead, one may get limit cycling behavior, in which the climate alternates between warm and globally glaciated states (see, e.g., Kadoya and Taji ...
KEY Unit 10‐11 Test Review: Characteristics of the Universe
... from Earth. Barnard‛s Star, on the other hand, is relatively close but is not visible to the unaided eye. This can be explained due to a DIFFERENCE in … ...
... from Earth. Barnard‛s Star, on the other hand, is relatively close but is not visible to the unaided eye. This can be explained due to a DIFFERENCE in … ...