Chapter 16 - The Solar System
... Protoearth probably 1000 x more massive than the Earth today Similar in composition to the Jovian planets Heating of the terrestrial planets drove off the gases ...
... Protoearth probably 1000 x more massive than the Earth today Similar in composition to the Jovian planets Heating of the terrestrial planets drove off the gases ...
951 Gaspra
... 1. Small objects in the solar system are leftovers that never accreted into planets 2. Minor planets mostly orbit between Mars and Jupiter 3. Comets formed in the outer solar system and were flung outward by close encounters with other planets 4. Comets can be trapped in the inner solar system by pl ...
... 1. Small objects in the solar system are leftovers that never accreted into planets 2. Minor planets mostly orbit between Mars and Jupiter 3. Comets formed in the outer solar system and were flung outward by close encounters with other planets 4. Comets can be trapped in the inner solar system by pl ...
The Milky Way
... Blue light is strongly scattered and absorbed by interstellar clouds. Red light can more easily penetrate the ...
... Blue light is strongly scattered and absorbed by interstellar clouds. Red light can more easily penetrate the ...
Lecture 42
... stars, of which the star T-Tauri (now known to be a binary pair) is the type example. During this phase, a visible star begins to emerge from its cocoon of gas and dust, but it remains surrounded by its circumstellar disk. The luminosity is due entirely to continued accretion and gravitational colla ...
... stars, of which the star T-Tauri (now known to be a binary pair) is the type example. During this phase, a visible star begins to emerge from its cocoon of gas and dust, but it remains surrounded by its circumstellar disk. The luminosity is due entirely to continued accretion and gravitational colla ...
Chapter 13
... low mass; during this period, they blow off material at supersonic speeds. 6. Astronomers calculate that a star with a mass greater than 100 solar masses will emit radiation so intense that it will prevent more material from falling into the star, thereby limiting the star’s size. 7. Protostars with ...
... low mass; during this period, they blow off material at supersonic speeds. 6. Astronomers calculate that a star with a mass greater than 100 solar masses will emit radiation so intense that it will prevent more material from falling into the star, thereby limiting the star’s size. 7. Protostars with ...
AST 101 Lecture 15 Is Pluto a Planet?
... Maximum mass: 0.013 M, or 13 MJ Planets orbit stars (must they?) Planets dominate their orbit Planets are round. “It all depends on what the meaning of ‘is’ is” William Jefferson Clinton ...
... Maximum mass: 0.013 M, or 13 MJ Planets orbit stars (must they?) Planets dominate their orbit Planets are round. “It all depends on what the meaning of ‘is’ is” William Jefferson Clinton ...
AST 101 Lecture 17 Is Pluto a Planet?
... Titius-Bode Law A mathematical relation published by J.E. Bode in 1772 a = (2n x 3 + 4) / 10 • a is the semimajor axis of the orbit in AU • n is an index: – Mercury: -1 (set 2-1 = 0) – Venus: 0 – Earth: 1 – Mars: 2 – Jupiter: 4 – Saturn: 5 ...
... Titius-Bode Law A mathematical relation published by J.E. Bode in 1772 a = (2n x 3 + 4) / 10 • a is the semimajor axis of the orbit in AU • n is an index: – Mercury: -1 (set 2-1 = 0) – Venus: 0 – Earth: 1 – Mars: 2 – Jupiter: 4 – Saturn: 5 ...
The Origin of Our Solar System
... – Believed force was exerted by contact betwn physical entities and the universe was filled with vortices of “whirling invisible particles.” – Posited that the sun and planets formed when a large vortex contracted and condensed. ...
... – Believed force was exerted by contact betwn physical entities and the universe was filled with vortices of “whirling invisible particles.” – Posited that the sun and planets formed when a large vortex contracted and condensed. ...
Nick Bowden The Final Frontier
... The northern hemisphere craters and appear far less eroded indicating they are much younger than those of the southern hemisphere. Mars is a small world--Its radius is half of the Earth’s surface Covered by a fine layer of iron oxide dust that has the consistency of talcum powder--gives the planet i ...
... The northern hemisphere craters and appear far less eroded indicating they are much younger than those of the southern hemisphere. Mars is a small world--Its radius is half of the Earth’s surface Covered by a fine layer of iron oxide dust that has the consistency of talcum powder--gives the planet i ...
Observational Constraints The Nebular Hypothesis
... 1. Small dust grains grow into larger—but still relatively small—asteroid-like bodies called planetesimals. 2. Planetesimals repeated crash into each other, resulting in increasingly large planetesimals. Some of these objects grow large enough to be called protoplanets. 3. As the protoplanets grow t ...
... 1. Small dust grains grow into larger—but still relatively small—asteroid-like bodies called planetesimals. 2. Planetesimals repeated crash into each other, resulting in increasingly large planetesimals. Some of these objects grow large enough to be called protoplanets. 3. As the protoplanets grow t ...
9 Intro to the Solar System
... • The planets are smaller but still pretty huge compared to us tiny humans Earth in comparison to Jupiter ◦ At the big end we have Jupiter, 11 times wider than the Earth and a thousand times its volume ◦ At the smaller end we have, well there is no actual smaller “end”. We just kinda draw a line and ...
... • The planets are smaller but still pretty huge compared to us tiny humans Earth in comparison to Jupiter ◦ At the big end we have Jupiter, 11 times wider than the Earth and a thousand times its volume ◦ At the smaller end we have, well there is no actual smaller “end”. We just kinda draw a line and ...
Exoplanets. I
... Planets shine by reflected light. The amount reflected is the amount received (the solar constant) - Times the area of the planet - Times the albedo (reflected), or ...
... Planets shine by reflected light. The amount reflected is the amount received (the solar constant) - Times the area of the planet - Times the albedo (reflected), or ...
Spectroscopy
... observation is usually over a period of years. If we see slight variation, it could indicate a planet making the star move and wobble a bit. years of time ...
... observation is usually over a period of years. If we see slight variation, it could indicate a planet making the star move and wobble a bit. years of time ...
Astro 10: Introductory Astronomy
... years) needed to avoid major losses of the planetary material due to the solar wind. • His simulations show the solar nebula mass migrating outwards, in general. • The work also shows that Uranus and Neptune switched places, scrambling the KBO’s and also pulling Jupiter and Saturn a bit farther out, ...
... years) needed to avoid major losses of the planetary material due to the solar wind. • His simulations show the solar nebula mass migrating outwards, in general. • The work also shows that Uranus and Neptune switched places, scrambling the KBO’s and also pulling Jupiter and Saturn a bit farther out, ...
The Turbulent Birth of Stars and Planets - Max-Planck
... billions of years, they have acted as cosmic nurseries. In broad terms, what happens next has been known for decades: when a suitably large part of such a cloud exceeds a certain density, it begins to contract under its own gravity. Typically, such a region will not be perfectly motionless; instead, ...
... billions of years, they have acted as cosmic nurseries. In broad terms, what happens next has been known for decades: when a suitably large part of such a cloud exceeds a certain density, it begins to contract under its own gravity. Typically, such a region will not be perfectly motionless; instead, ...
Animated Planets PowerPoint Presentation
... emitting a halo of dust and gas as it approaches the sun. Rosetta will make history later this year when it orbits and lands on the comet's surface. Comets get their coma, when the sun heats frozen gases erupting from the surface. Dust particles remain in orbit around the nucleus, and make it appear ...
... emitting a halo of dust and gas as it approaches the sun. Rosetta will make history later this year when it orbits and lands on the comet's surface. Comets get their coma, when the sun heats frozen gases erupting from the surface. Dust particles remain in orbit around the nucleus, and make it appear ...
Universe Now - Course Pages of Physics Department
... • The formation theory has to explain currently observed dynamical and physical properties of different objects in the Solar System: – Orbits of the planets are nearly circular and nearly in the equatorial plane of the Sun (but not exactly!). – The planets are orbiting in the same direction (also t ...
... • The formation theory has to explain currently observed dynamical and physical properties of different objects in the Solar System: – Orbits of the planets are nearly circular and nearly in the equatorial plane of the Sun (but not exactly!). – The planets are orbiting in the same direction (also t ...
Composition Of The Solar System
... The Sun contains 99.85% of all the matter in the Solar System. The planets, which condensed out of the same disk of material that formed the Sun, contain only 0.135% of the mass of the solar system. Jupiter contains more than twice the matter of all the other planets combined. Satellites of the plan ...
... The Sun contains 99.85% of all the matter in the Solar System. The planets, which condensed out of the same disk of material that formed the Sun, contain only 0.135% of the mass of the solar system. Jupiter contains more than twice the matter of all the other planets combined. Satellites of the plan ...
Why SETI will Fail
... origin of galaxies, stars, elements, planets => origin of life => chemical and biological evolution => technological intelligence ...
... origin of galaxies, stars, elements, planets => origin of life => chemical and biological evolution => technological intelligence ...