Planetary Configurations
... imagine other key criteria: 1. Planet must retain an atmosphere 2. Stable orbit ...
... imagine other key criteria: 1. Planet must retain an atmosphere 2. Stable orbit ...
Unit 2 : Astronomy A. Earth`s motion 1. rotation – turning or spinning
... 1. universe is made up of galaxies 2. galaxies are made up of many stars 3. some stars have planetary systems 4. Earth is a satellite planet of one star (the Sun) 5. the moon is a satellite to the earth (because it revolves around the Earth) E. Galaxy 1. Our solar system is located on the Orion arm ...
... 1. universe is made up of galaxies 2. galaxies are made up of many stars 3. some stars have planetary systems 4. Earth is a satellite planet of one star (the Sun) 5. the moon is a satellite to the earth (because it revolves around the Earth) E. Galaxy 1. Our solar system is located on the Orion arm ...
Astronomy - cloudfront.net
... solar system, which of the following would be most surprising to observe in an extrasolar system of planets? A. The planets nearest to the star have a lower density than the planets farther out. B. Several planets show large tilts of their rotation axis compared to the plane of their orbits. C. All ...
... solar system, which of the following would be most surprising to observe in an extrasolar system of planets? A. The planets nearest to the star have a lower density than the planets farther out. B. Several planets show large tilts of their rotation axis compared to the plane of their orbits. C. All ...
History of Astronomy Notes
... Explains apparent changes in brightness for some planets. Explains some of the observed non-uniform motions of the Sun, Moon, and Planets. Can fine-tune the model by adding epicycles. Failures of Ptolemy’s System: It was really, REALLY complicated. ...
... Explains apparent changes in brightness for some planets. Explains some of the observed non-uniform motions of the Sun, Moon, and Planets. Can fine-tune the model by adding epicycles. Failures of Ptolemy’s System: It was really, REALLY complicated. ...
Document
... • Several layers: core – photosphere ( part of the sun that gives off light energy, innermost layer)-chromosphere-corona • Sunspots-dark spots on the sun on the photosphere, they are dark because it is not as hot, cooler, than the rest of the photosphere Prominences: ribbons of gas that leap out of ...
... • Several layers: core – photosphere ( part of the sun that gives off light energy, innermost layer)-chromosphere-corona • Sunspots-dark spots on the sun on the photosphere, they are dark because it is not as hot, cooler, than the rest of the photosphere Prominences: ribbons of gas that leap out of ...
fall_2000_final
... C. increasing volcanic activity in the polar regions. D. increasing the amount of auroral activity. E. allowing more ultraviolet radiation to reach Earth’s surface. 25. The mass limit for a white dwarf star is 1.4 solar masses. Why? A. Above this mass the neutron pressure cannot balance gravity. B. ...
... C. increasing volcanic activity in the polar regions. D. increasing the amount of auroral activity. E. allowing more ultraviolet radiation to reach Earth’s surface. 25. The mass limit for a white dwarf star is 1.4 solar masses. Why? A. Above this mass the neutron pressure cannot balance gravity. B. ...
Quiz # 1 - Oglethorpe University
... C) path traced out by the Moon in our sky in one month against the background stars. D) path traced out by the Sun in our sky over one year against the background stars. ...
... C) path traced out by the Moon in our sky in one month against the background stars. D) path traced out by the Sun in our sky over one year against the background stars. ...
Astronomy Directed Reading
... become a. hotter + less dense. b. cooler + denser. c. cooler + less dense. d. hotter + denser. 12. What formed when the temperature at the center of the nebula reached about 10,000,000°C and hydrogen fusion began? _______________________________________________________ 13. How much of the matter tha ...
... become a. hotter + less dense. b. cooler + denser. c. cooler + less dense. d. hotter + denser. 12. What formed when the temperature at the center of the nebula reached about 10,000,000°C and hydrogen fusion began? _______________________________________________________ 13. How much of the matter tha ...
24exoplanets8s
... Most known exoplanets are large (~MJupiter) and in close orbits They may form further out and then move in ...
... Most known exoplanets are large (~MJupiter) and in close orbits They may form further out and then move in ...
Homes for life
... We think of Earth as being 'just right': with the perfect conditions for life. But the Earth has changed its atmospheric composition significantly over time, but retained a roughly constant surface temperature despite the warming Sun... And we have to remember that we have evolved to suit the curren ...
... We think of Earth as being 'just right': with the perfect conditions for life. But the Earth has changed its atmospheric composition significantly over time, but retained a roughly constant surface temperature despite the warming Sun... And we have to remember that we have evolved to suit the curren ...
Mercury - alexanderscience8
... beautiful blue and white ball when seen from space. The third planet from the Sun, it is the largest of the inner planets. Earth is the only planet known to support life and to have liquid water at the surface. Earth has a substantial atmosphere and magnetic field, both of which are critical for sus ...
... beautiful blue and white ball when seen from space. The third planet from the Sun, it is the largest of the inner planets. Earth is the only planet known to support life and to have liquid water at the surface. Earth has a substantial atmosphere and magnetic field, both of which are critical for sus ...
Planets around Other Stars
... A105 Stars and Galaxies: Planets around Other Stars Name _________________________ Reproduced below is a plot of observations of the radial velocity of the star 51 Pegasi, the first star discovered to have a planet. The observed velocity (in meters per second) is plotted vs. the time (in days) when ...
... A105 Stars and Galaxies: Planets around Other Stars Name _________________________ Reproduced below is a plot of observations of the radial velocity of the star 51 Pegasi, the first star discovered to have a planet. The observed velocity (in meters per second) is plotted vs. the time (in days) when ...
Solar System
... The heliocentric model which says the planets orbit the Sun fits our observations, however we did not always believe this ...
... The heliocentric model which says the planets orbit the Sun fits our observations, however we did not always believe this ...
answers
... 2. Does it take more or less time for Venus to go around the Sun than it takes the Earth? [less] 3. Does it take more or less time for Jupiter to go around the Sun than it takes the Earth? [more] 4. How big is the Earth? Is its radius 4241 km, 6371 km or 8763 km? [6371] 5. Say one of the Guide Laws ...
... 2. Does it take more or less time for Venus to go around the Sun than it takes the Earth? [less] 3. Does it take more or less time for Jupiter to go around the Sun than it takes the Earth? [more] 4. How big is the Earth? Is its radius 4241 km, 6371 km or 8763 km? [6371] 5. Say one of the Guide Laws ...
Astro 1 Levine Homework Solar System
... 3. What would have had to be different in the history of Venus and Mars for these planets to be more like Earth? (6 points) Venus: If Venus had not developed the very dense carbon dioxide atmosphere, it would not have the incredibly high heat levels, and might have been more like Earth. To be habita ...
... 3. What would have had to be different in the history of Venus and Mars for these planets to be more like Earth? (6 points) Venus: If Venus had not developed the very dense carbon dioxide atmosphere, it would not have the incredibly high heat levels, and might have been more like Earth. To be habita ...
Minerals
... the Universe is expanding; Spectral lines shifted toward the red indicate movement away from an object. There is an asteroid belt between Mars and Jupiter. Comets have a highly elliptical orbit. Asteroids and Meteoroids are also out there. ESRT compares luminosity and temperature of stars – note tha ...
... the Universe is expanding; Spectral lines shifted toward the red indicate movement away from an object. There is an asteroid belt between Mars and Jupiter. Comets have a highly elliptical orbit. Asteroids and Meteoroids are also out there. ESRT compares luminosity and temperature of stars – note tha ...
Science 9 Unit 5: Space Name
... remote-controlled ‘landers’ that put equipment on or close to planets where no human has gone before. Probes have done remote sensing on Mercury and Jupiter, taken soil samples on Mars, landed on Venus, and studied Saturn’s rings up close. The most recent probes to explore Mars are still there. The ...
... remote-controlled ‘landers’ that put equipment on or close to planets where no human has gone before. Probes have done remote sensing on Mercury and Jupiter, taken soil samples on Mars, landed on Venus, and studied Saturn’s rings up close. The most recent probes to explore Mars are still there. The ...
Space - No Brain Too Small
... A very large group of stars is called a galaxy. Our Sun is one of the many stars which make up the Milky Way galaxy. The star pattern we see in the night sky moves across the sky as the Earth turns on its axis. The pattern also changes from day to day throughout the year as we orbit around the Sun. ...
... A very large group of stars is called a galaxy. Our Sun is one of the many stars which make up the Milky Way galaxy. The star pattern we see in the night sky moves across the sky as the Earth turns on its axis. The pattern also changes from day to day throughout the year as we orbit around the Sun. ...
Rare Earth hypothesis
In planetary astronomy and astrobiology, the Rare Earth Hypothesis argues that the origin of life and the evolution of biological complexity such as sexually reproducing, multicellular organisms on Earth (and, subsequently, human intelligence) required an improbable combination of astrophysical and geological events and circumstances. The hypothesis argues that complex extraterrestrial life is a very improbable phenomenon and likely to be extremely rare. The term ""Rare Earth"" originates from Rare Earth: Why Complex Life Is Uncommon in the Universe (2000), a book by Peter Ward, a geologist and paleontologist, and Donald E. Brownlee, an astronomer and astrobiologist, both faculty members at the University of Washington.An alternative view point was argued by Carl Sagan and Frank Drake, among others. It holds that Earth is a typical rocky planet in a typical planetary system, located in a non-exceptional region of a common barred-spiral galaxy. Given the principle of mediocrity (also called the Copernican principle), it is probable that the universe teems with complex life. Ward and Brownlee argue to the contrary: that planets, planetary systems, and galactic regions that are as friendly to complex life as are the Earth, the Solar System, and our region of the Milky Way are very rare.