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Space Exploration Review Key
Space Exploration Review Key

... earth because moon rotates in some time it takes to go around the earth 6. List three pieces of information for each of the nine planets in our solar system. Mercury made up of silicate rock daytime high 430 degrees C, night time low -180 degrees C very thin atmosphere ...
To the Moon!!
To the Moon!!

... Missions to the Moon (cont.) • Missions Apollo 12-17 focused on collection of rock samples for analysis • 1994 a NASA spacecraft discovered possible water (ice) on the moon ...
december 2010 - Holt Planetarium
december 2010 - Holt Planetarium

... carbon dioxide from dozens of sites. A closer look revealed an even greater marvel, however. The space around the comet's core is glistening with chunks of ice and snow, some of them possibly as large as a basketball. The 'snowstorm' occupies a roughly spherical volume centered on Hartley 2's spinni ...
december 2010 - Holt Planetarium
december 2010 - Holt Planetarium

... carbon dioxide from dozens of sites. A closer look revealed an even greater marvel, however. The space around the comet's core is glistening with chunks of ice and snow, some of them possibly as large as a basketball. The 'snowstorm' occupies a roughly spherical volume centered on Hartley 2's spinni ...
Virginia Standards of Learning
Virginia Standards of Learning

...  Plate motion occurs as a consequence of convection in Earth’s mantle. Plate tectonics is driven by convection in the mantle.  There are two different types of crust — oceanic and continental — that have very different characteristics.  Weathering is the process by which rocks are broken down che ...
Ch. 28-Minor Bodies of Solar System
Ch. 28-Minor Bodies of Solar System

... – Rock rich in silica, magnesium and iron – Mantle makes up half of radius – Small iron core, rotation not uniform indicates core neither completely solid nor completely liquid, no overall magnetic field ...
Explore the Planets
Explore the Planets

... Meteorites - a part of a meteoroid that survives through the Earth's atmosphere. Planet - a large rocky or gaseous body that orbits a star Speed of light - the fastest possible speed in a vacuum, equivalent to 186,000 miles per second (300,000 km per second). Rotation - the spinning of an object on ...
Science 8
Science 8

... Structure of the Gas Giants 1. Why are these planets called ‘gas giants?’ _________________________________________________ ____________________________________________________________________________________ ...
Space - Great Barr Academy
Space - Great Barr Academy

... It looks huge, but the Sun is a very small Mercury is very small, star in comparison to about half the size of the others. Earth ...
1. Phonetic exercise. Listen to me and repeat after me. Then practice
1. Phonetic exercise. Listen to me and repeat after me. Then practice

... because it has a very large iron core. Mercury’s surface is similar to the Moon’s one because many asteroids constantly fall on it. ...
South Eastern School District Science Curriculum Astronomy
South Eastern School District Science Curriculum Astronomy

... A. Understand the motions of the moon as it relates to the phases and eclipses. B. Describe the tides and their relationship to the moon. C. Compare and contrast the lunar surface and interior to that of the Earth’s. D. Discuss the origin theories of the moon. ...
Name: Class: ______ Date: STAAR Earth and Space Vocabulary
Name: Class: ______ Date: STAAR Earth and Space Vocabulary

... 40. Glacier-a large mass of ice that moves slowly over land. 41. Global wind-a wind that blows steadily in a path for thousands of kilometers. 42. Groundwater-water that is below Earth’s surface. 43. Heat-the flow of thermal energy. 44. Hertzsprung-Russell diagram-a graph that plots the relationshi ...
Free PowerPoint - Interactive Science Teacher
Free PowerPoint - Interactive Science Teacher

... • Everything else is round: sun, moon, planets, stars, comets, asteroids; this is because… • Gravity pulls inward (Newton) • the gods created a round world since they are perfect and a circle is also perfect (Pythagoras, 500 B.C.) • The seasons: flat earth would mean equal directness of sunlight for ...
Before Humankind - Salem State University
Before Humankind - Salem State University

... Advances in our understanding have built on earlier discoveries, and, in this sense, each step forward was the result of a previous step taken. Ancestors of ours in the Homo erectus species used tools, discussed discoveries, and learned how to generate fire. By the time Homo Sapiens evolved, we had ...
What happened to Pluto?
What happened to Pluto?

... • Subsequently found that it’s at least as big as Pluto! • And it has its own moon, “Gabrielle.” • Clearly, if Pluto qualifies as a planet, then so does “Xena.” • But there could be hundreds of other objects bigger than ...
Dark anomalies called on the surface of the Sun allowed early
Dark anomalies called on the surface of the Sun allowed early

... Pluto was recently demoted from planet to “dwarf” planet status. Which of the following reasons best explains why its classification was changed? a. Pluto does not have enough gravity to put itself into a spherical shape. Only spherical celestial bodies are now considered planets. b. Pluto actually ...
PSRD: Dynamics and Chemistry of Planet Construction
PSRD: Dynamics and Chemistry of Planet Construction

... before. Clearly, time is not linear in the world of computers!) O'Brien's simulations produce about the right number of inner planets (3 or 4), with appropriate orbital parameters and accretion times of 30 to 70 million years, consistent with cosmochemical data. He and his colleagues did two sets of ...
The Delivery of Water to Terrestrial Planets: Earth and Mars
The Delivery of Water to Terrestrial Planets: Earth and Mars

... Jupiter formation to nebula dissipation time is probably quite short, plus bodies arrive too ...
IQ 2
IQ 2

... by the Moon. This can only happen when the moon is between the Earth and the Sun, which is New Moon. ...
3 The Outer Planets
3 The Outer Planets

Ch. 22 Honors Study Guide Name 1. How did Eratosthenes
Ch. 22 Honors Study Guide Name 1. How did Eratosthenes

... 15. Kepler’s third law states that as a planet’s distance from the sun increases, it’s period of revolution ...
Moons of Jovian Planets
Moons of Jovian Planets

... • There are also 12 “medium-sized” moons, massive enough to be spherical rock and water ice, which exhibit large amounts of cratering and approximately synchronous orbits. Most – no evidence of geological activity. ...
The planets - Neptune - Primary Leap Worksheets.
The planets - Neptune - Primary Leap Worksheets.

Earth, Moon and Sun
Earth, Moon and Sun

... moon look like it has changed shape. These different shapes are called PHASES OF THE MOON. Remember that the moon does not make its own light, we see it because the sun’s rays are lighting it up. ...
Assessment Photo Album
Assessment Photo Album

... Their job is to research their planet and take notes. Then, they are to create a Frame about their planet to present to the class in an oral presentation. Students created a Rubric prior to the activity to determine their score on this activity. ...
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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.
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