Comets, Asteroids, and Meteors
... Between 1802 and 1807, astronomers discovered four small objects between the orbits of Mars and Jupiter. They named these objects Ceres, Pallas, Juno, and Vesta. Over the next 80 years, astronomers found over 300 more. These rocky objects, called asteroids, are too small and too numerous to be consi ...
... Between 1802 and 1807, astronomers discovered four small objects between the orbits of Mars and Jupiter. They named these objects Ceres, Pallas, Juno, and Vesta. Over the next 80 years, astronomers found over 300 more. These rocky objects, called asteroids, are too small and too numerous to be consi ...
Real and Scaled Distances of Dwarf Planets*
... formation of the solar system. Most of the rocky debris is in the Asteroid Belt, the home of Ceres. Farther from the Sun is the Kuiper Belt, the home of Pluto and Eris. The icy Kuiper Belt is also the home of many comets. Did you know? The eight planets all have elliptical orbits, but most are close ...
... formation of the solar system. Most of the rocky debris is in the Asteroid Belt, the home of Ceres. Farther from the Sun is the Kuiper Belt, the home of Pluto and Eris. The icy Kuiper Belt is also the home of many comets. Did you know? The eight planets all have elliptical orbits, but most are close ...
MINOR Members of the Solar System
... However, no conclusive evidence has been found for either hypothesis ...
... However, no conclusive evidence has been found for either hypothesis ...
- IIT Kanpur
... age, then all of them would not have been there today. But as we know, they are swirling around proudly. It means that the age of comets is less than that of the solar system. Now the question arises that if comets were born some few million years ago, then where they were before that. This question ...
... age, then all of them would not have been there today. But as we know, they are swirling around proudly. It means that the age of comets is less than that of the solar system. Now the question arises that if comets were born some few million years ago, then where they were before that. This question ...
Unit 2 The Solar System Vocabulary Review
... A DISK OF MATTER THAT ENCIRCLES A PLANET AND THAT CONSISTS OF NUMEROUS PARTICLES IN ORBIT, WHICH RANGE IN SIZE FROM DUST GRAINS TO OBJECTS TENS OF METERS ACROSS ...
... A DISK OF MATTER THAT ENCIRCLES A PLANET AND THAT CONSISTS OF NUMEROUS PARTICLES IN ORBIT, WHICH RANGE IN SIZE FROM DUST GRAINS TO OBJECTS TENS OF METERS ACROSS ...
PowerPoint file - High Point University
... that Pluto formed as part of a larger group of comet-like objects, which should still be there. • 1980s: Theorists predicted 200 million objects between 34 and 50 AU. ...
... that Pluto formed as part of a larger group of comet-like objects, which should still be there. • 1980s: Theorists predicted 200 million objects between 34 and 50 AU. ...
PowerPoint Presentation - AST121 Introduction to Astronomy
... that Pluto formed as part of a larger group of comet-like objects, which should still be there. • 1980s: Theorists predicted 200 million objects between 34 and 50 AU. ...
... that Pluto formed as part of a larger group of comet-like objects, which should still be there. • 1980s: Theorists predicted 200 million objects between 34 and 50 AU. ...
Dwarf planets and small solar system bodies
... the orbit of Neptune. It extends from the orbit of Neptune (30 AU) out to around 50 AU from the Sun and contains hundreds of millions of small icy bodies. http://theplanets.org/kuiper-belt/ . Michael Müller tells more. ...
... the orbit of Neptune. It extends from the orbit of Neptune (30 AU) out to around 50 AU from the Sun and contains hundreds of millions of small icy bodies. http://theplanets.org/kuiper-belt/ . Michael Müller tells more. ...
Review Sheet
... Asteroids are material left over from the formation of the Solar System and never formed into a planet. Asteroids are found between the orbits of Mars and Jupiter. ...
... Asteroids are material left over from the formation of the Solar System and never formed into a planet. Asteroids are found between the orbits of Mars and Jupiter. ...
ES1.Powerpoint.SolarSystem es1.powerpoint.solarsystem
... • Orbits very slowly • Moon, Charon, is very close to Pluto and about the same size • 2006-”plutoid” ...
... • Orbits very slowly • Moon, Charon, is very close to Pluto and about the same size • 2006-”plutoid” ...
Lecture18 - UCSB Physics
... • C) Asteroids orbit the Sun continuously, whereas all comets approach the Sun’s vicinity only once before leaving the Solar System • D) Come orbits are highly elliptical and at random inclinations to the ecliptic plane, whereas asteroids have circular orbits in the ecliptic plane ...
... • C) Asteroids orbit the Sun continuously, whereas all comets approach the Sun’s vicinity only once before leaving the Solar System • D) Come orbits are highly elliptical and at random inclinations to the ecliptic plane, whereas asteroids have circular orbits in the ecliptic plane ...
Lecture18
... •C) Asteroids orbit the Sun continuously, whereas all comets approach the Sun’s vicinity only once before leaving the Solar System •D) Come orbits are highly elliptical and at random inclinations to the ecliptic plane, whereas asteroids have circular orbits in the ecliptic plane ...
... •C) Asteroids orbit the Sun continuously, whereas all comets approach the Sun’s vicinity only once before leaving the Solar System •D) Come orbits are highly elliptical and at random inclinations to the ecliptic plane, whereas asteroids have circular orbits in the ecliptic plane ...
On the asymmetry of the distribution of observable comets induced
... anisotropies in the directional distribution of the observed long-period comet sample plays an important role in the studies of the origin of comets. Before 1950 (i.e. when an interstellar cometary origin hypothesis dominated) many attempts were made to find any anisotropies correlated with the sola ...
... anisotropies in the directional distribution of the observed long-period comet sample plays an important role in the studies of the origin of comets. Before 1950 (i.e. when an interstellar cometary origin hypothesis dominated) many attempts were made to find any anisotropies correlated with the sola ...
Comets, Asteroids & Meteoroids
... – Plasma tail = solar wind sweeps it outward, so it always points away from sun ...
... – Plasma tail = solar wind sweeps it outward, so it always points away from sun ...
Other Objects in the Solar System
... A meteoroid is any lump of rock or metal that is being pulled to the Earth by Earth’s gravity. As it falls, it rubs against the molecules of the air. This rubbing, causes the rock to become hot and vaporize, and the air to glow. This is called a meteor, a bright streak of light across the sky. (shoo ...
... A meteoroid is any lump of rock or metal that is being pulled to the Earth by Earth’s gravity. As it falls, it rubs against the molecules of the air. This rubbing, causes the rock to become hot and vaporize, and the air to glow. This is called a meteor, a bright streak of light across the sky. (shoo ...
Meteroroids! Asteroids! Comets!
... Dust Tail: The dust tail is a long, wide tail composed of tiny dust particles ; this tail curves slightly due to the comet's motion. ...
... Dust Tail: The dust tail is a long, wide tail composed of tiny dust particles ; this tail curves slightly due to the comet's motion. ...
Meteroroids! Asteroids! Comets!
... Dust Tail: The dust tail is a long, wide tail composed of tiny dust particles ; this tail curves slightly due to the comet's motion. ...
... Dust Tail: The dust tail is a long, wide tail composed of tiny dust particles ; this tail curves slightly due to the comet's motion. ...
How big is our Solar System?
... a curved tail called the antitail. • The gas tail always points directly away from the Sun, as the ionized gas is more strongly affected by the solar wind than is dust. ...
... a curved tail called the antitail. • The gas tail always points directly away from the Sun, as the ionized gas is more strongly affected by the solar wind than is dust. ...
Part 2: Solar System Formation
... Nebula the planets become large enough to have a significant gravitational pull and collect gas around them. – Ice is ten times more abundant than silicates and iron compounds, therefore there is more planet building material in the outer solar system. • Planets in the inner nebula can not grow enou ...
... Nebula the planets become large enough to have a significant gravitational pull and collect gas around them. – Ice is ten times more abundant than silicates and iron compounds, therefore there is more planet building material in the outer solar system. • Planets in the inner nebula can not grow enou ...
Our Solar System
... Trans-Neptunian Objects •Objects that circle the Sun beyond the orbit of Neptune ...
... Trans-Neptunian Objects •Objects that circle the Sun beyond the orbit of Neptune ...
The Kuiper Belt, and the Early Evolution of the Outer Solar System
... • the Kuiper Belt is also the source of the short–period comets, which are samples of the Solar System’s outer edge – interestingly, long–period comets from the Oort Cloud probably formed closer to the Sun that the short–period comets • circumstellar dust-disks have been detected in orbit about many ...
... • the Kuiper Belt is also the source of the short–period comets, which are samples of the Solar System’s outer edge – interestingly, long–period comets from the Oort Cloud probably formed closer to the Sun that the short–period comets • circumstellar dust-disks have been detected in orbit about many ...
Solar_System_handout
... *Mars was formed from a planetesimal (small plane) that was once part of the asteroid belt. It formed as a result of direct accretion of grain particles , and has similar planetary compositions to Earth and Mercury. - The asteroid belt: lies between the four terrestrial planets and the 4 gas giant p ...
... *Mars was formed from a planetesimal (small plane) that was once part of the asteroid belt. It formed as a result of direct accretion of grain particles , and has similar planetary compositions to Earth and Mercury. - The asteroid belt: lies between the four terrestrial planets and the 4 gas giant p ...
The Formation of the Solar System
... *Mars was formed from a planetesimal (small plane) that was once part of the asteroid belt. It formed as a result of direct accretion of grain particles , and has similar planetary compositions to Earth and Mercury. - The asteroid belt: lies between the four terrestrial planets and the 4 gas giant p ...
... *Mars was formed from a planetesimal (small plane) that was once part of the asteroid belt. It formed as a result of direct accretion of grain particles , and has similar planetary compositions to Earth and Mercury. - The asteroid belt: lies between the four terrestrial planets and the 4 gas giant p ...
The Solar System
... Short period < 200 yrs lie in ecliptic Possibly originate in trans-Neptune region Disturbed by outer planets Orbit often in ecliptic ...
... Short period < 200 yrs lie in ecliptic Possibly originate in trans-Neptune region Disturbed by outer planets Orbit often in ecliptic ...
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.