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The Solar System
The Solar System

... convective flow in the atmosphere. • The rapid rotation (“day” = 12 hrs) and large diameter means very strong velocity gradient from equator to poles. • So, strong Coriolis force, making atmospheric motions turn into circulations – like hurricanes • Result is lots of big storms… ...
discover the wonders above
discover the wonders above

... found. It’s so far away that the light we get from it left the galaxy just 700 million years after the Big Bang. It’s creating new stars around 100 times faster than the Milky Way. Read the BBC’s guide to the Universe through time. ...
10. Exoplanets
10. Exoplanets

... © 2010 Pearson Education, Inc. ...
SETI: First Considerations (PowerPoint)
SETI: First Considerations (PowerPoint)

... vast majority of stars are sun-sized or less, and will last a very long time. Some stars are in dense clusters or close binary star systems, with unstable planetary orbits. But ~50% are not. ...
Our World in Space [6th grade]
Our World in Space [6th grade]

... The class will briefly review the relationship between mass and weight and why students would weigh more on the sun. Students will review their video notes and share out some of the things they learned and will have an opportunity to ask questions about the things they saw in the video. As a class, ...
EXOPLANET Due to increasing incursions by hostile alien forces
EXOPLANET Due to increasing incursions by hostile alien forces

... ¹¹ Can support liquid water. If the planet was closer to the sun, it would be too hot for liquid water to exist. If the planet was farther away, it would be too cold for liquid water to exist. This is called the Goldilocks range (the perfect distance from a star for a planet to support liquid water, ...
Galileo & the Telescope— Sept 20
Galileo & the Telescope— Sept 20

... Test 1 • Test 1 – Wed 9/29 – Covers • Material through today’s class (9/20) • Homework 1-3 ...
The Search for Extrasolar Planets
The Search for Extrasolar Planets

... This orbital motion of the host star can nevertheless be detected through the method of radial velocities. In this method, the observers exploit the Doppler effect in order to measure the radial component of the star’s motion (i.e. its lineof-sight component). A periodic variation in the radial velo ...
8th Grade Science Pre
8th Grade Science Pre

... living organisms to understand how they are related. The theory of evolution was developed before scientists discovered DNA; however, the theory supports these new data. What does this sequence of events tell us about the theory of evolution? A. It is a bad theory because it makes scientists biased. ...
Measuring the Size of the Astronomical Unit (AU)
Measuring the Size of the Astronomical Unit (AU)

... accurately until the 18th century, and the first measurements that gave values close to today’s accepted value of 150,000,000 km were not made until the late 19th century. The distance of the astronomical unit (AU) has direct bearing on the scale of the solar system. Even though Kepler’s Laws can be ...
A stars
A stars

... Around Epsilon Indi (Spectral type K5: about one-tenth the Sun's luminosity), an Earth-sized planet would have to orbit at about the distance of Mercury from the star. ...
Solar Abundance of the Elements
Solar Abundance of the Elements

... Thus, neutrons from a central NS may generate part of the Sun’s energy, with the remainder generated by fusion reactions as most of its decay product, 1H, undergoes fusion in its migration to the solar surface [23]. This flux of 1H from the center of the Sun may selectively carry lighter elements an ...
EARTH REVOVLES ROUND THE SUN IN A SPIRAL PATH
EARTH REVOVLES ROUND THE SUN IN A SPIRAL PATH

... and shifts towards the red end of the visible spectrum, which is called the red shift. The Scientist E. Hubble, who studied the light emitted by different galaxies and observed the red shift in the spectrum of light coming far from galaxies. This proves that galaxies are moving away from one another ...
Lecture 2: Exoplanets and life
Lecture 2: Exoplanets and life

... -provides a guide for Earth-like candidates 0.85-0.95 AU to 1.4-1.7 AU around a Sun. -  but it is only a rough guide. The HZ could be wider. Biosignatures -  There are practical pros and cons in looking at different parts of the spectrum, i.e., visible versus IR. -  But the “take home” message is go ...
The Search for Another Earth The Search for Another Earth
The Search for Another Earth The Search for Another Earth

... potential planets orbiting 4,743 stars. There are 1935 confirmed planets as of January 2016. The Kepler Mission assesses each candidate with its "Follow-up Observing Program" designed to distinguish true planets from the imposters. ...
Terrestrial Planets
Terrestrial Planets

... advances by 574 arcseconds each century. This precession of Mercury’s orbit was one of the first successful tests of Einstein’s Theory of General Relativity (a more complete theory of gravity). The rotation period (sidereal day) of Mercury is 58.65 days, exactly 2/3 of the orbital period (87.97 days) ...
1705 chart front
1705 chart front

... northern horizon, only to emerge in the wee hours of the morning. But in the spring, the Dipper is easy to find, high in the northwest after sunset. The Big Dipper is not officially a constellation; it’s what astronomers sometimes call an asterism. The Big Dipper is a familiar name for this pattern ...
Essential Questions
Essential Questions

... (What is acceptable evidence to show desired results (rubrics, exam, etc.)? Attach Copy During the Smart Notebook lesson designed to introduce concepts, students will be continually questioned on these concepts using a combination of class work/homework questions and the SMART Response system. Class ...
the solar system - HMXEarthScience
the solar system - HMXEarthScience

... A Newly Discovered Planet Scientists studying a Sun-like star named Ogle-Tr-3 discovered a planet that is, on the average, 3.5 million kilometers away from the star’s surface. The planet was discovered as a result of observing a cyclic decrease in the brightness of Ogle-Tr-3 every 28.5 hours. The ch ...
Jupiter Reading Comprehension Worksheet
Jupiter Reading Comprehension Worksheet

... Jupiter is a giant ball of gas, made up of mostly hydrogen and helium. Its stripes and swirls are cold, windy clouds of ammonia and water. The largest swirling area of gas on Jupiter is a hurricane-like storm that is known as the Great Red Spot. This storm has been raging on Jupiter for hundreds of ...
Document
Document

File - Homeschooling Mommie
File - Homeschooling Mommie

... Jupiter is a giant ball of gas, made up of mostly hydrogen and helium. Its stripes and swirls are cold, windy clouds of ammonia and water. The largest swirling area of gas on Jupiter is a hurricane-like storm that is known as the Great Red Spot. This storm has been raging on Jupiter for hundreds of ...
Messenger Spacecraft
Messenger Spacecraft

... Mercury may have water ice at its north and south poles. The ice exists inside deep craters. The floors of these craters remain in perpetual shadow, so the Sun cannot melt the ice. ...
Accretion of Uranus and Neptune
Accretion of Uranus and Neptune

... generate a system of planetary embryos of only 1-3 EM we investigate whether these embryos could have collided with each other – they converged at specific orbital radii (their inward radial migration in the gas-disk was stopped by the presence of Jupiter and Saturn) ...
Spying into the lives of the stars
Spying into the lives of the stars

... Explaint that we know that, like humans, stars are born, grow up, and die. It’s just that stars take longer to do these things: millions and billions of years. You can’t really just take a single star and follow it from birth to death, so today, we will use some of the tools that astronomers use to ...
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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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