asteroids, comets - MSU Solar Physics
... Its orbit is highly eccentric; at times it is closer to the Sun than Neptune. Its orbit inclination is also much larger than other planets. Pluto rotates in the opposite direction from most other planets. Pluto is smaller than 7 satellites in the solar system. It has an average density of about 1900 ...
... Its orbit is highly eccentric; at times it is closer to the Sun than Neptune. Its orbit inclination is also much larger than other planets. Pluto rotates in the opposite direction from most other planets. Pluto is smaller than 7 satellites in the solar system. It has an average density of about 1900 ...
The Solar System and its Origin
... – Low mass / extended objects have low surface gravity and escape velocity ...
... – Low mass / extended objects have low surface gravity and escape velocity ...
Solar System Review Sheet - Grosse Pointe Public School System
... 4 Inner Planets (Mercury, Venus, Earth, Mars) rocky with craters smaller shorter slower none few ...
... 4 Inner Planets (Mercury, Venus, Earth, Mars) rocky with craters smaller shorter slower none few ...
Science 9 Unit E Section 1.0
... about 90 times that on Earth. The surface of Venus cannot be seen by telescope because of its thick cloud cover. The permanent clouds are made of carbon dioxide, and it often rains sulfuric acid (the same acid found in a car battery). Russians landed a probe on Venus in 1982, but it only lasted ther ...
... about 90 times that on Earth. The surface of Venus cannot be seen by telescope because of its thick cloud cover. The permanent clouds are made of carbon dioxide, and it often rains sulfuric acid (the same acid found in a car battery). Russians landed a probe on Venus in 1982, but it only lasted ther ...
28.1-notes - Stout Middle School
... of this debris diminished as it crashed into planets or was diverted out of the solar system. Some of the debris that remained became icy objects called comets. Other debris formed rocky planetesimals called asteroids. Most asteroids are found in the area between Mars and Jupiter known as the astero ...
... of this debris diminished as it crashed into planets or was diverted out of the solar system. Some of the debris that remained became icy objects called comets. Other debris formed rocky planetesimals called asteroids. Most asteroids are found in the area between Mars and Jupiter known as the astero ...
The Formation of the Solar System
... • Larger meteoroids (more than a few cm in diameter) are not usually associated with comets. • Larger meteoroids are more likely small bodies that have strayed from the asteroid belt. • Larger meteoroids are responsible for most of the cratering on the surfaces of the moon, Mercury, Venus, and Mars. ...
... • Larger meteoroids (more than a few cm in diameter) are not usually associated with comets. • Larger meteoroids are more likely small bodies that have strayed from the asteroid belt. • Larger meteoroids are responsible for most of the cratering on the surfaces of the moon, Mercury, Venus, and Mars. ...
Our Solar System - Mississippi University for Women
... Be massive enough to form itself into a stable, almost spherical shape; Orbit a star; Have cleared its orbit of other bodies; Not have its orbit unduly interfered with by other planets ...
... Be massive enough to form itself into a stable, almost spherical shape; Orbit a star; Have cleared its orbit of other bodies; Not have its orbit unduly interfered with by other planets ...
Activity – Scale Drawing of the Solar System
... 4) Using the conversion factor above, calculate the distances of planets from the sun in Astronomical Units (AU). 5) Using an appropriate scale of your choice (i.e. 1 cm = 1 AU). 6) Using the back of this sheet, sketch part of the orbits of the major planets to scale with respect to distance. Use a ...
... 4) Using the conversion factor above, calculate the distances of planets from the sun in Astronomical Units (AU). 5) Using an appropriate scale of your choice (i.e. 1 cm = 1 AU). 6) Using the back of this sheet, sketch part of the orbits of the major planets to scale with respect to distance. Use a ...
Unit 2 The Solar System Vocabulary Review
... AN EXPLOSIVE RELEASE OF ENERGY THAT COMES FROM THE SUN AND THAT IS ASSOCIATED WITH MAGNETIC DISTURBANCES ON THE SUN’S SURFACE ...
... AN EXPLOSIVE RELEASE OF ENERGY THAT COMES FROM THE SUN AND THAT IS ASSOCIATED WITH MAGNETIC DISTURBANCES ON THE SUN’S SURFACE ...
Chapter 25.1: Exploring the Solar System and 25.5 The Origin of the
... Balls of dust collided an explanation for and grew larger & the Current motions larger and eventually of the Sun, Planets, these asteroid-like and most Moons. bodies combined to form planets! ...
... Balls of dust collided an explanation for and grew larger & the Current motions larger and eventually of the Sun, Planets, these asteroid-like and most Moons. bodies combined to form planets! ...
How fast do the Planets move?
... a) The approximate speed of Mercury is 172800 km/h. Use the data to confirm this. b) Change your answer to part a) into km/s and then m/s. Write these answers to 3 significant figures. ...
... a) The approximate speed of Mercury is 172800 km/h. Use the data to confirm this. b) Change your answer to part a) into km/s and then m/s. Write these answers to 3 significant figures. ...
Notes
... Earth by studying in context with other worlds in the solar system. Stay focused on processes common to multiple worlds instead of individual facts specific to a particular world. ...
... Earth by studying in context with other worlds in the solar system. Stay focused on processes common to multiple worlds instead of individual facts specific to a particular world. ...
Written by Abby Cessna Eight Planets The eight planets in our Solar
... called terrestrial planets because they have a solid surface and are similar to Earth. These planets are composed of heavy metal, such as iron and nickel and have few or no moons. Mercury, the smallest planet, has no moons and is comprised mostly of iron and nickel. It is one of the densest planets ...
... called terrestrial planets because they have a solid surface and are similar to Earth. These planets are composed of heavy metal, such as iron and nickel and have few or no moons. Mercury, the smallest planet, has no moons and is comprised mostly of iron and nickel. It is one of the densest planets ...
Two Kinds of Planets - Physics and Astronomy
... within the rings. Moonlets are much larger than largest ring particles -> simply attract ring material as they orbit, leaving a less dense area. Cassini Division due to gravitational force of Saturn's innermost medium sized moon – particles are deflected into new orbits. ...
... within the rings. Moonlets are much larger than largest ring particles -> simply attract ring material as they orbit, leaving a less dense area. Cassini Division due to gravitational force of Saturn's innermost medium sized moon – particles are deflected into new orbits. ...
The Rocky Planets
... the fastest orbiting planet, moving at about 50 kilometers per second. Mercury spins slowly on its axis, however. In two of its years (orbits) only three days pass! The length of one Mercury day is equal to about 58 Earth days. The daytime temperature on Mercury can reach over 425 degrees Celsius. T ...
... the fastest orbiting planet, moving at about 50 kilometers per second. Mercury spins slowly on its axis, however. In two of its years (orbits) only three days pass! The length of one Mercury day is equal to about 58 Earth days. The daytime temperature on Mercury can reach over 425 degrees Celsius. T ...
Terrestrial Planets
... Core - contains metals (e.g., iron, nickel) Mantle – intermediate layer with rocky material (sometimes partially semi-molten) ...
... Core - contains metals (e.g., iron, nickel) Mantle – intermediate layer with rocky material (sometimes partially semi-molten) ...
Presentation 2
... • Celestial north pole stays still (North star aka Polaris) • Stars appear to move in counterclockwise fashion. ...
... • Celestial north pole stays still (North star aka Polaris) • Stars appear to move in counterclockwise fashion. ...
Space 8.1 notes
... amounts of energy and is held together by its own gravity, keeping it intact Stars are considered luminous because they produce and give off their own light. SUN The sun is an average sized star, as most stars are significantly larger than our sun The sun looks large to our eyes because it is ...
... amounts of energy and is held together by its own gravity, keeping it intact Stars are considered luminous because they produce and give off their own light. SUN The sun is an average sized star, as most stars are significantly larger than our sun The sun looks large to our eyes because it is ...
Life - Physics
... them, we have found life! • Note this will be life in general, like bacterial and plant life, not intelligent life. • So, what do we look for? ...
... them, we have found life! • Note this will be life in general, like bacterial and plant life, not intelligent life. • So, what do we look for? ...
Late Heavy Bombardment
The Late Heavy Bombardment (abbreviated LHB and also known as the lunar cataclysm) is a hypothetical event thought to have occurred approximately 4.1 to 3.8 billion years (Ga) ago, corresponding to the Neohadean and Eoarchean eras on Earth. During this interval, a disproportionately large number of asteroids apparently collided with the early terrestrial planets in the inner Solar System, including Mercury, Venus, Earth, and Mars. The LHB happened after the Earth and other rocky planets had formed and accreted most of their mass, but still quite early in Earth's history.Evidence for the LHB derives from lunar samples brought back by the Apollo astronauts. Isotopic dating of Moon rocks implies that most impact melts occurred in a rather narrow interval of time. Several hypotheses are now offered to explain the apparent spike in the flux of impactors (i.e. asteroids and comets) in the inner Solar System, but no consensus yet exists. The Nice model is popular among planetary scientists; it postulates that the gas giant planets underwent orbital migration and scattered objects in the asteroid and/or Kuiper belts into eccentric orbits, and thereby into the path of the terrestrial planets. Other researchers argue that the lunar sample data do not require a cataclysmic cratering event near 3.9 Ga, and that the apparent clustering of impact melt ages near this time is an artifact of sampling materials retrieved from a single large impact basin. They also note that the rate of impact cratering could be significantly different between the outer and inner zones of the Solar System.