Comets - Earth & Planetary Sciences
... Jupiter? They end up in the Oort cloud (close-in versions are called Scattered Disk Objects) • This is a spherical array of planetesimals at distances out to ~200,000 AU (=3 LY), with a total mass of 10102 Earths • Why spherical? Combination of initial random scattering from Jupiter, plus passages f ...
... Jupiter? They end up in the Oort cloud (close-in versions are called Scattered Disk Objects) • This is a spherical array of planetesimals at distances out to ~200,000 AU (=3 LY), with a total mass of 10102 Earths • Why spherical? Combination of initial random scattering from Jupiter, plus passages f ...
Document
... generally in plane of Solar System exposed to solar heating many times takes more than 200 years to complete orbit often pristine materials from early Solar System can have very long, bright tails ...
... generally in plane of Solar System exposed to solar heating many times takes more than 200 years to complete orbit often pristine materials from early Solar System can have very long, bright tails ...
What else is in our solar system, besides the sun, the planets, and
... colored orange. The four outer planets are blue. Neptune's few known Trojan asteroids are yellow, while Jupiter's are pink. The scattered objects between the Sun and the Kuiper belt are known as centaurs. The scale is in astronomical units. The pronounced gap at the bottom is due to obscuration by t ...
... colored orange. The four outer planets are blue. Neptune's few known Trojan asteroids are yellow, while Jupiter's are pink. The scattered objects between the Sun and the Kuiper belt are known as centaurs. The scale is in astronomical units. The pronounced gap at the bottom is due to obscuration by t ...
Lecture 1 Review Sheet
... List all the planets and dwarf planets from closest to farthest from the sun What does it mean when astronomers speak of a planet having “cleared all of its orbit”? Why is there an asteroid belt between Mars and Jupiter? What are the three original sources of most meteorites? Why can meteorites most ...
... List all the planets and dwarf planets from closest to farthest from the sun What does it mean when astronomers speak of a planet having “cleared all of its orbit”? Why is there an asteroid belt between Mars and Jupiter? What are the three original sources of most meteorites? Why can meteorites most ...
STUDY GUIDE Unit 3 – Lesson 4 The terrestrial planets are the
... The gas giant planets are cold and have deep, massive atmospheres of hydrogen and helium. They have the greatest gravitational forces allowing them to attract more objects such as moons. The gas giants are further away from the sun than the terrestrial planets. Jupiter is the largest planet in the s ...
... The gas giant planets are cold and have deep, massive atmospheres of hydrogen and helium. They have the greatest gravitational forces allowing them to attract more objects such as moons. The gas giants are further away from the sun than the terrestrial planets. Jupiter is the largest planet in the s ...
Understanding Orbits
... that had exploded Explanation that seems more plausible today: asteroids are simply primordial material that never formed into a planet Jupiter’s gravity keeps pulling on objects in the asteroid belt and stirring them up ...
... that had exploded Explanation that seems more plausible today: asteroids are simply primordial material that never formed into a planet Jupiter’s gravity keeps pulling on objects in the asteroid belt and stirring them up ...
Understanding Orbits
... that had exploded Explanation that seems more plausible today: asteroids are simply primordial material that never formed into a planet Jupiter’s gravity keeps pulling on objects in the asteroid belt and stirring them up ...
... that had exploded Explanation that seems more plausible today: asteroids are simply primordial material that never formed into a planet Jupiter’s gravity keeps pulling on objects in the asteroid belt and stirring them up ...
Formation of the Solar System
... _____ 1. Who originally theorized that Earth was the center of the solar system? a. Ptolemy c. Newton b. Aristotle d. Copernicus _____ 2. According to Copernicus’ model of the solar system, a. the sun orbits Earth. c. the planets orbit Earth. b. Earth orbits the sun. d. Earth orbits the moon. _____ ...
... _____ 1. Who originally theorized that Earth was the center of the solar system? a. Ptolemy c. Newton b. Aristotle d. Copernicus _____ 2. According to Copernicus’ model of the solar system, a. the sun orbits Earth. c. the planets orbit Earth. b. Earth orbits the sun. d. Earth orbits the moon. _____ ...
19.3 Section Quiz
... _____ 1. Who originally theorized that Earth was the center of the solar system? a. Ptolemy c. Newton b. Aristotle d. Copernicus _____ 2. According to Copernicus’ model of the solar system, a. the sun orbits Earth. c. the planets orbit Earth. b. Earth orbits the sun. d. Earth orbits the moon. _____ ...
... _____ 1. Who originally theorized that Earth was the center of the solar system? a. Ptolemy c. Newton b. Aristotle d. Copernicus _____ 2. According to Copernicus’ model of the solar system, a. the sun orbits Earth. c. the planets orbit Earth. b. Earth orbits the sun. d. Earth orbits the moon. _____ ...
Summary of Chapter 8
... boulders and becoming terrestrial planets. The same process occurs beyond the frost-line, but the baby planets become larger here due to the vast amounts of condensed ices. They become large enough to capture gas from the nebula, forming their own mini-nebulas and eventually forming the jovian plane ...
... boulders and becoming terrestrial planets. The same process occurs beyond the frost-line, but the baby planets become larger here due to the vast amounts of condensed ices. They become large enough to capture gas from the nebula, forming their own mini-nebulas and eventually forming the jovian plane ...
the planets - St John Brebeuf
... spherical cloud residing 50,000 to 50,000+ AU from the Sun, at the outer reaches of the Solar System. This major reservoir of comets has come to be known as the Oort Cloud. http://heasarc.gsfc.nasa.gov/docs/cosmic/solar_system_info.html ...
... spherical cloud residing 50,000 to 50,000+ AU from the Sun, at the outer reaches of the Solar System. This major reservoir of comets has come to be known as the Oort Cloud. http://heasarc.gsfc.nasa.gov/docs/cosmic/solar_system_info.html ...
the planets - St John Brebeuf
... spherical cloud residing 50,000 to 50,000+ AU from the Sun, at the outer reaches of the Solar System. This major reservoir of comets has come to be known as the Oort Cloud. http://heasarc.gsfc.nasa.gov/docs/cosmic/solar_system_info.html ...
... spherical cloud residing 50,000 to 50,000+ AU from the Sun, at the outer reaches of the Solar System. This major reservoir of comets has come to be known as the Oort Cloud. http://heasarc.gsfc.nasa.gov/docs/cosmic/solar_system_info.html ...
Solutions
... 7. What produces the coma and tails of a comet? What is the nucleus? Why do tails point away from the Sun? The coma and tails of a comet are produced by ices warming and sublimating off of the surface. As these ices turn to gas, they escape the nucleus (the solid icy part of the comet in the middl ...
... 7. What produces the coma and tails of a comet? What is the nucleus? Why do tails point away from the Sun? The coma and tails of a comet are produced by ices warming and sublimating off of the surface. As these ices turn to gas, they escape the nucleus (the solid icy part of the comet in the middl ...
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... 6. True or false? All planets in the solar system have roughly the same chemical compositions in their atmospheres. A. True B. False ...
... 6. True or false? All planets in the solar system have roughly the same chemical compositions in their atmospheres. A. True B. False ...
Whipple: Exploring the Solar System Beyond Neptune Using a
... in an orbit with the perihelion too large to be significantly affected by Neptune, and with an aphelion distance too small to be perturbed by Galactic tidal forces and giant molecular clouds. Processes including only the known bodies in the Solar System do not place objects in orbits of this kind. T ...
... in an orbit with the perihelion too large to be significantly affected by Neptune, and with an aphelion distance too small to be perturbed by Galactic tidal forces and giant molecular clouds. Processes including only the known bodies in the Solar System do not place objects in orbits of this kind. T ...
COMETS, ASTEROIDS, AND METEORS
... of the gas and dust stream outward, forming a tail. The name “comet” means “long haired star” in Greek. Most comets have two tails, a gas tail and a dust tail. Both tails usually point away from the sun due to the force of solar wind from the sun. A comet’s tail can be more than 100 million kilomete ...
... of the gas and dust stream outward, forming a tail. The name “comet” means “long haired star” in Greek. Most comets have two tails, a gas tail and a dust tail. Both tails usually point away from the sun due to the force of solar wind from the sun. A comet’s tail can be more than 100 million kilomete ...
Observational Astronomy - Lecture 7 Solar System II
... Io is heated by tidal heating in its orbit around Jupiter. It is the most volcanically active object in the Solar System. ...
... Io is heated by tidal heating in its orbit around Jupiter. It is the most volcanically active object in the Solar System. ...
The Kuiper Belt and the Oort Cloud
... the sun's gravitational influence is weaker than the influence of nearby stars. ...
... the sun's gravitational influence is weaker than the influence of nearby stars. ...
1 - Humble ISD
... 33. What do we theorize that comets brought to Earth?Water & Organic compounds 34. What is another name for the objects that exist beyond the orbit of Neptune?TransNeptunian Objects 35. How do dwarf planets differ from regular planets?They have failed to clear their orbits of other objects 36. What ...
... 33. What do we theorize that comets brought to Earth?Water & Organic compounds 34. What is another name for the objects that exist beyond the orbit of Neptune?TransNeptunian Objects 35. How do dwarf planets differ from regular planets?They have failed to clear their orbits of other objects 36. What ...
Week 7 Notes Comets, Meteors, and Asteroids
... a. Gas and Dust from a comet’s __HEAD__ streams out to form a __TAIL__ b. Comet means __LONG-HAIRED STAR__ in Greek c. Most comets have __2__ tails: __GAS TAIL__ and __DUST TAIL__ d. The comet’s __TAILS__ point __AWAY__ from the __SUN__ e. A __COMET’S__ tail can be more than __100__ million kilomete ...
... a. Gas and Dust from a comet’s __HEAD__ streams out to form a __TAIL__ b. Comet means __LONG-HAIRED STAR__ in Greek c. Most comets have __2__ tails: __GAS TAIL__ and __DUST TAIL__ d. The comet’s __TAILS__ point __AWAY__ from the __SUN__ e. A __COMET’S__ tail can be more than __100__ million kilomete ...
planets - Red Hook Central Schools
... snowball that orbit the sun in very elliptical orbits They are composed of rock and ice (mostly water ice but some dry ice and other frozen gases) ...
... snowball that orbit the sun in very elliptical orbits They are composed of rock and ice (mostly water ice but some dry ice and other frozen gases) ...
Ten Important Comet Facts
... 1. Comets are in orbit around the Sun as are our planets. 2. Comets are composed of ices, dust and rocky debris carried from the early formation of the solar system about 4.5 billion years ago. 3. Comets are remnants from the cold, outer regions of the solar system. They are generally thought to com ...
... 1. Comets are in orbit around the Sun as are our planets. 2. Comets are composed of ices, dust and rocky debris carried from the early formation of the solar system about 4.5 billion years ago. 3. Comets are remnants from the cold, outer regions of the solar system. They are generally thought to com ...
What Makes Up Our Solar System
... steady state. One sixth of an estimated six trillion icy objects or comets are in the outer region with the remainder in the relatively dense core. The Oort cloud is the source of long-period comets and possibly higher-inclination intermediate comets that were pulled into shorter period orbits by th ...
... steady state. One sixth of an estimated six trillion icy objects or comets are in the outer region with the remainder in the relatively dense core. The Oort cloud is the source of long-period comets and possibly higher-inclination intermediate comets that were pulled into shorter period orbits by th ...
What else is in our solar system, besides the sun, the
... colored orange. The four outer planets are blue. Neptune's few known Trojan asteroids are yellow, while Jupiter's are pink. The scattered objects between the Sun and the Kuiper belt are known as centaurs. The scale is in astronomical units. The pronounced gap at the bottom is due to obscuration by t ...
... colored orange. The four outer planets are blue. Neptune's few known Trojan asteroids are yellow, while Jupiter's are pink. The scattered objects between the Sun and the Kuiper belt are known as centaurs. The scale is in astronomical units. The pronounced gap at the bottom is due to obscuration by t ...
Oort cloud
The Oort cloud (/ˈɔrt/ or /ˈʊərt/) or Öpik–Oort cloud, named after Dutch astronomer Jan Oort and Estonian astronomer Ernst Öpik, is a theoretical spherical cloud of predominantly icy planetesimals believed to surround the Sun at a distance of up to around 100,000 AU (2 ly). This places it at almost half of the distance to Proxima Centauri, the nearest star to the Sun, and in interstellar space. The Kuiper belt and the scattered disc, the other two reservoirs of trans-Neptunian objects, are less than one thousandth as far from the Sun as the Oort cloud. The outer limit of the Oort cloud defines the cosmographical boundary of the Solar System and the region of the Sun's gravitational dominance.The Oort cloud is thought to comprise two regions: a spherical outer Oort cloud and a disc-shaped inner Oort cloud, or Hills cloud. Objects in the Oort cloud are largely composed of ices, such as water, ammonia, and methane.Astronomers conjecture that the matter composing the Oort cloud formed closer to the Sun and was scattered far into space by the gravitational effects of the giant planets early in the Solar System's evolution. Although no confirmed direct observations of the Oort cloud have been made, it may be the source of all long-period and Halley-type comets entering the inner Solar System, and many of the centaurs and Jupiter-family comets as well. The outer Oort cloud is only loosely bound to the Solar System, and thus is easily affected by the gravitational pull both of passing stars and of the Milky Way itself. These forces occasionally dislodge comets from their orbits within the cloud and send them towards the inner Solar System. Based on their orbits, most of the short-period comets may come from the scattered disc, but some may still have originated from the Oort cloud.