11.2b The Solar System Asteroids and Gas Giants
... water, ammonia and methane. Uranus has small icy/rocky core, a hot fluid mantle and gas atmosphere that is 83% hydrogen, 15% helium and 2 % methane. The methane gas is mostly in the upper atmosphere and gives the planet a blue look because it absorbs red from the sunlight falling on it. The hot liqu ...
... water, ammonia and methane. Uranus has small icy/rocky core, a hot fluid mantle and gas atmosphere that is 83% hydrogen, 15% helium and 2 % methane. The methane gas is mostly in the upper atmosphere and gives the planet a blue look because it absorbs red from the sunlight falling on it. The hot liqu ...
4550-15Lecture35
... Other variations relate to oxygen fugacity. Since H2 is the principal reductant and it dominates the gas, while O constitutes a significant fraction of condensed matter, variation in oxygen fugacity most likely reflects variation in the ratio of gas to dust. In addition, there must have been signifi ...
... Other variations relate to oxygen fugacity. Since H2 is the principal reductant and it dominates the gas, while O constitutes a significant fraction of condensed matter, variation in oxygen fugacity most likely reflects variation in the ratio of gas to dust. In addition, there must have been signifi ...
The History of Astronomy
... same speed? No. A planet’s speed depends on its average distance from the Sun. The closest planet moves fastest, the most ...
... same speed? No. A planet’s speed depends on its average distance from the Sun. The closest planet moves fastest, the most ...
Chapter 5 Essay Questions
... 3 What is the definition of density? Approximately, what is the average density of the sun? 4 The corona is much hotter than the photosphere, yet we have to wait for a total solar eclipse to see the corona. Why is that? 5 Suppose you have a cool gas cloud of atoms, and you send visible light of all ...
... 3 What is the definition of density? Approximately, what is the average density of the sun? 4 The corona is much hotter than the photosphere, yet we have to wait for a total solar eclipse to see the corona. Why is that? 5 Suppose you have a cool gas cloud of atoms, and you send visible light of all ...
Revolution: Earth`s orbit around the Sun
... KE = kinetic energy = energy of motion PE = potential energy = stored energy (resting) Gravitation – the attractive force that occurs between any 2 objects in the Universe : depend on mass(size) and distance **the larger the objects (planets) and the closer they are, the more gravitation F = m1m2 Di ...
... KE = kinetic energy = energy of motion PE = potential energy = stored energy (resting) Gravitation – the attractive force that occurs between any 2 objects in the Universe : depend on mass(size) and distance **the larger the objects (planets) and the closer they are, the more gravitation F = m1m2 Di ...
CT9
... Astronaut Dave Bowman is standing in the centrifuge of the spaceship Discovery. He drops his pen and observes it fall to the floor. Which statement below is most accurate? A: After Bowman releases the pen, the net force on the pen is zero. B: The pen falls because the centrifugal force pulls it towa ...
... Astronaut Dave Bowman is standing in the centrifuge of the spaceship Discovery. He drops his pen and observes it fall to the floor. Which statement below is most accurate? A: After Bowman releases the pen, the net force on the pen is zero. B: The pen falls because the centrifugal force pulls it towa ...
early astronomical history
... – Ptolemy of Alexandria improved the geocentric model by assuming each planet moved on a small circle, which in turn had its center move on a much larger circle centered on the Earth – The small circles were called epicycles and were incorporated so as to explain retrograde motion – Ptolemy’s model ...
... – Ptolemy of Alexandria improved the geocentric model by assuming each planet moved on a small circle, which in turn had its center move on a much larger circle centered on the Earth – The small circles were called epicycles and were incorporated so as to explain retrograde motion – Ptolemy’s model ...
Retrograde Motion Activity Astronomy Lesson 3
... What did you notice? Why does Mars appear to move backward in the sky? Students should notice that as Earth overtakes Mars, Mars appears to move backward relative to the background stars. Also, because the planets are moving in their own orbits, the direction an Earth observer must look to see anoth ...
... What did you notice? Why does Mars appear to move backward in the sky? Students should notice that as Earth overtakes Mars, Mars appears to move backward relative to the background stars. Also, because the planets are moving in their own orbits, the direction an Earth observer must look to see anoth ...
Exam 3
... The rings of Saturn appear very different from the rings associated with the other Jovian moons. This is because a) the rings of Saturn are composed of different types of material b) the size of the particles that make up the Saturnian rings are larger than those that make up the rings of the other ...
... The rings of Saturn appear very different from the rings associated with the other Jovian moons. This is because a) the rings of Saturn are composed of different types of material b) the size of the particles that make up the Saturnian rings are larger than those that make up the rings of the other ...
CP CircularGravityReview
... 1. For some massivestars,gravitationalcollapsedoesn'tstop until the density of the star becomesso enormous that even light cannot escape.Such a star becomesa black hole. ...
... 1. For some massivestars,gravitationalcollapsedoesn'tstop until the density of the star becomesso enormous that even light cannot escape.Such a star becomesa black hole. ...
Chapter 3 Section 2 (pgs 68-73) the sun`s outer atmosphere – this is
... where energy from the core travels for a long period of time to get to the convective zone (~1 million yrs). Core: this is where the energy of the sun is produced in the process of ...
... where energy from the core travels for a long period of time to get to the convective zone (~1 million yrs). Core: this is where the energy of the sun is produced in the process of ...
How many stars are visible to the naked eye in the night sky?
... Who was the first Canadian in space? ...
... Who was the first Canadian in space? ...
the solar system
... 2) polar ice caps of water and carbon dioxide 3) river channels (once flowing water?) 4) inactive volcanoes and rift valleys showing tectonic plate movement 5) Olympus Mons (largest volcano in solar system) 6) 70 degrees F at equator 7) axis wobbles (if in “warm cycle” of wobble, may melt ice caps) ...
... 2) polar ice caps of water and carbon dioxide 3) river channels (once flowing water?) 4) inactive volcanoes and rift valleys showing tectonic plate movement 5) Olympus Mons (largest volcano in solar system) 6) 70 degrees F at equator 7) axis wobbles (if in “warm cycle” of wobble, may melt ice caps) ...
1. (5 points) Place the following in order of DENSITY beginning with
... on the status of Pluto. Using any combination of your knowledge of the 8 major planets and/or comets and other minor planets to give 3 bullet points arguing that Pluto is NOT a planet. ...
... on the status of Pluto. Using any combination of your knowledge of the 8 major planets and/or comets and other minor planets to give 3 bullet points arguing that Pluto is NOT a planet. ...
The Moon and Eclipses
... Miscellaneous announcements… • Pick up graded homework • Congratulations to our first winner of the Monty Python Galaxy Song Challenge! ...
... Miscellaneous announcements… • Pick up graded homework • Congratulations to our first winner of the Monty Python Galaxy Song Challenge! ...
PowerPoint 2.6Mb
... What the seasons are NOT due to… NOT the ellipticity of the Earth’s orbit: Our ellipticity is very small, and we are closest to the Sun in January. You can most easily see this by remembering that at the same time it is Winter here, it is Summer in the Southern Hemisphere. NOT the fact that one pol ...
... What the seasons are NOT due to… NOT the ellipticity of the Earth’s orbit: Our ellipticity is very small, and we are closest to the Sun in January. You can most easily see this by remembering that at the same time it is Winter here, it is Summer in the Southern Hemisphere. NOT the fact that one pol ...
Solar System
... The Sun is at the centre of our solar system, which contains many different types of objects including: • A star (the Sun) • Planets, orbiting the Sun • Satellites, orbiting planets • Smaller objects such as asteroids and comets ...
... The Sun is at the centre of our solar system, which contains many different types of objects including: • A star (the Sun) • Planets, orbiting the Sun • Satellites, orbiting planets • Smaller objects such as asteroids and comets ...
January
... Morning Stars - Venus and Jupiter. Evening Stars - Saturn, Mars and Mercury. Special Events Anticipated: METEOR SHOWERS - Quadrantid Meteor Showers the first week of the month. Best seen after midnight and early morning and conditions are expected to be ideal. However, the number of meteors are expe ...
... Morning Stars - Venus and Jupiter. Evening Stars - Saturn, Mars and Mercury. Special Events Anticipated: METEOR SHOWERS - Quadrantid Meteor Showers the first week of the month. Best seen after midnight and early morning and conditions are expected to be ideal. However, the number of meteors are expe ...
Chapter 19
... ● The solar system is made up of both inner and outer planets. The inner being closer to the Sun and the outer further away. ● The inner planets are referred to as the terrestrial planets because their composition is rocky like the Earth. ● They receive more of the Sun’s energy and have higher tempe ...
... ● The solar system is made up of both inner and outer planets. The inner being closer to the Sun and the outer further away. ● The inner planets are referred to as the terrestrial planets because their composition is rocky like the Earth. ● They receive more of the Sun’s energy and have higher tempe ...
Slide 1
... Notes: The Tilt of the Earth As we go around the sun, something causes weather to warm up and cool down in predictable patterns. We call this the seasons. None of this should be new. What might be new, however, is what causes this change. The seasons are NOT caused by the Earth getting closer and f ...
... Notes: The Tilt of the Earth As we go around the sun, something causes weather to warm up and cool down in predictable patterns. We call this the seasons. None of this should be new. What might be new, however, is what causes this change. The seasons are NOT caused by the Earth getting closer and f ...
Final Review Sheet - Astronomy Part 2
... 24.What units do I use to describe distance in space? List them from smallest to ...
... 24.What units do I use to describe distance in space? List them from smallest to ...
SCI 103
... 18) Kepler’s first two Laws of Planetary Motion contradicted the Aristotelian/Ptolemaic Model of the Universe in two fundamental ways. What are Kepler’s first two Laws of Planetary Motion and how were they anti-Aristotelian? Kepler’s 1ST law states that planets orbit, not on circles, but on ellipse ...
... 18) Kepler’s first two Laws of Planetary Motion contradicted the Aristotelian/Ptolemaic Model of the Universe in two fundamental ways. What are Kepler’s first two Laws of Planetary Motion and how were they anti-Aristotelian? Kepler’s 1ST law states that planets orbit, not on circles, but on ellipse ...
384 kb
... other essential materials for life. This discovery, when it comes, could have a fundamental and permanent impact on humanity: Where do we come from? What are we? People on this globe might even seriously consider a situation like that described in Carl Sagan’s novel Contact.” Other predictions for 5 ...
... other essential materials for life. This discovery, when it comes, could have a fundamental and permanent impact on humanity: Where do we come from? What are we? People on this globe might even seriously consider a situation like that described in Carl Sagan’s novel Contact.” Other predictions for 5 ...
–1– AST104 Sp04: WELCOME TO EXAM 1 Multiple Choice
... 46. The sidereal drive on a telescope mount38. If source A emits radio waves at a frequency ing turns the telescope westward about the polar 4 times that of source B, then the wavelength of axis to remain pointed toward a distant object. radio waves from A is (T) a. the same as that from B b. 16 tim ...
... 46. The sidereal drive on a telescope mount38. If source A emits radio waves at a frequency ing turns the telescope westward about the polar 4 times that of source B, then the wavelength of axis to remain pointed toward a distant object. radio waves from A is (T) a. the same as that from B b. 16 tim ...