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Extrasolar planets
Extrasolar planets

... Distance = 150 light-years Period = 3.5 days => orbital distance of 0.05 AU Like the planet around 51Peg, the planet was found to be large and orbiting tightly around the star – these are also known as “hot Jupiters”. Mass = 0.62MJ ...
Look at Our Galaxy
Look at Our Galaxy

... scientists. Astronauts train for many years to do their job. They need to be healthy. They also need to know how spaceships work. Satellites are spacecraft that are sent to orbit Earth without people on them. We can learn new things about our solar system from the information astronauts, robots, and ...
Motions_of_the_Sun_and_Moon_5th_grade_visit_2011
Motions_of_the_Sun_and_Moon_5th_grade_visit_2011

... Motions of the Sun and Moon: a Fifth Grade planetarium visit Standards covered during your visit to the Planetarium: Standard 2: Earth Science Core Standard: Observe, describe, and ask questions about patterns in the sun- moon-earth system. 5.2.1 Recognize that our earth is part of the solar system ...
Lesson 14
Lesson 14

... Asteroid: asteroids are small celestial objects in the Solar System composed of rock and metal. They are too small to be considered planets. Asteroid Belt: located between the orbits of Mars and Jupiter. Meteoroids: smaller than an asteroid. “shooting star”. About 100 tonnes of meteoroids as small a ...
Page 444 - ClassZone
Page 444 - ClassZone

... about the inside of this moon? (8.4.e) 21. SEQUENCE A crack runs through part of crater A. Explain how you can tell whether the crack or the crater formed first. Hint: Think about what would have happened if the other feature had formed first. (8.4.e) 22. PREDICT Suppose the Moon were hotter inside. ...
Homework 4 (due Tuesday, May 3, 2016)
Homework 4 (due Tuesday, May 3, 2016)

... ago. It is possible that life evolved then. Future Mars missions will look for it. (C) Viking experiments gave us only negative or ambiguous results. Also, the period when surface water and a denser atmosphere may have been present was more than 3 billion years ago. But some fossil remains of early ...
SNC1P - MsKhan
SNC1P - MsKhan

... For more than 2000 years, people believed that our solar system was ________________ (the Earth is in the middle), but it was discovered in the 16th century that it is ________________ (the Sun is in the middle, and the planets revolve around it). The distance from the Earth to the Sun is 150 000 00 ...
Homework 4 AST 301, Spring 2015 PLEASE ANSWER THIS
Homework 4 AST 301, Spring 2015 PLEASE ANSWER THIS

... ago. It is possible that life evolved then. Future Mars missions will look for it. (C) Viking experiments gave us only negative or ambiguous results. Also, the period when surface water and a denser atmosphere may have been present was more than 3 billion years ago. But some fossil remains of early ...
Thinking Critically
Thinking Critically

... Use the image of Jupiter’s moon Ganymede to answer the next five questions. ...
A. Objects in the Universe
A. Objects in the Universe

... Earth Systems Science: All students will understand that Earth operates as a set of complex, dynamic, and interconnected systems, and is a part of the allencompassing system of the universe. (5.4) Objects in the Universe: Our universe has been expanding and evolving for 13.7 billion years under the ...
Jeopardy Questions
Jeopardy Questions

... Q: What is the greenhouse effect and how does it relate to the different environments on Earth and Venus? A: Greenhouse effect is when an object is surrounded by an outer layer (like an atmosphere or a pane of glass) that only allows certain wavelengths of light through. For a planet, like the Earth ...
Exploring Our Solar System
Exploring Our Solar System

... would represent the mass of the sun. The other two grains of sand would represent the mass of the combination of all the planets, planetoids, moons, asteroids, meteors and comets. ...
Solar System Power Point
Solar System Power Point

The Sky from Earth
The Sky from Earth

... • An area of the sky and all the items in that area ...
THE SOLAR SYSTEM
THE SOLAR SYSTEM

The sun
The sun

... Blue Neptune is one of the solar system's gas giants. Unlike Earth, gas giants are mostly hydrogen, helium, and methane gases. The methane gas on Neptune gives the planet its blue color because the gas absorbs red light and reflects the blue ...
ISP205L Visions of the Universe Laboratory
ISP205L Visions of the Universe Laboratory

... Moon phases. Predicting them. Why we always see one side. Eclipses. ...
Chapter15 notes[1]
Chapter15 notes[1]

... Close size and orbit makes some scientists believe it to be a double planet ...
Lecture 1 - Introduction - University of Iowa Astronomy and
Lecture 1 - Introduction - University of Iowa Astronomy and

... [meters] ...
lecture 32 orbits
lecture 32 orbits

... The stars seem to move in circles around Earth with their axis of rotation fixed in the direction of the North Star. There are five objects, visible to the naked eye, that appear starlike but do move across the fixed stars; these are the planets (wanderers in Greek). The sun and moon also move acros ...
Solar System Science
Solar System Science

8th Grade Earth Science State and District Outcomes Summary
8th Grade Earth Science State and District Outcomes Summary

... 3.1b Observe and gather data for various weather conditions and compare to historical data for that date and location 3.1c Use models to develop and communicate a weather prediction 2. Earth has a variety of climates defined by average temperature, precipitation, humidity, air pressure, and wind tha ...
Dwarf Planets Quiz Answer key
Dwarf Planets Quiz Answer key

... 4) Place  the  following  dwarf  planets  in  order  from  furthest  from  the  Sun  to  nearest:  Eris,  Pluto,  Ceres,   Wakewake,  Haumea.   Eris,  Makemake,  Haumea,  Pluto,  Ceres   5) Pluto  is…   a) icy  and  rocky.   th b) 1/5  the ...
Earth, Moon, Space, Solar System and Sun Study Guide Vocabulary
Earth, Moon, Space, Solar System and Sun Study Guide Vocabulary

... Rotation- The spinning of a planet or moon on its axis. Ex- Earth rotates once every 24 hours on its axis. Earth rotates from west to east. ...
space I have Who has
space I have Who has

... Who has the level of the universe that contains the sun, eight major planets, and various smaller bodies? ...
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Orrery



An orrery is a mechanical model of the solar system that illustrates or predicts the relative positions and motions of the planets and moons, usually according to the heliocentric model. It may also represent the relative sizes of these bodies; but since accurate scaling is often not practical due to the actual large ratio differences, a subdued approximation may be used instead. Though the Greeks had working planetaria, the first orrery that was a planetarium of the modern era was produced in 1704, and one was presented to Charles Boyle, 4th Earl of Orrery — whence came the name. They are typically driven by a clockwork mechanism with a globe representing the Sun at the centre, and with a planet at the end of each of the arms.
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