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Solar System
Solar System

... 2-3 ES1A The shape of the moon goes through one entire set of phases during the course of its 28-day cycle 2-3 ES1B Patterns of stars (constellations) always have the same shape 4-5SYSA Systems contain subsystems and are themselves parts of larger systems 4-5 SYSB A System can do things that none of ...
Earth and Space Science (307)
Earth and Space Science (307)

... D. is andesitic and has a relatively low viscosity. Correct Response and Explanation A. This question requires the examinee to demonstrate knowledge of the characteristics of different types of volcanic activity. Pyroclastic flows are associated with explosive eruptions from composite cones. Typical ...
Construct an Ellipse Lab
Construct an Ellipse Lab

... ndromedae. The dashed lines show where the paths of the first four planets of our solar Diagram #2 cated if they were going around Upsilon Andromedae instead of the Sun. All distances are ...
Physics: Forces and Motion
Physics: Forces and Motion

... 3. If the strength of all the forces acting on an object from one direction is equivalent to the strength of the forces from the opposite direction, then the forces cancel each other out, and are said to be balanced. 4. Bridges are elevated structures designed to support the movement of objects ove ...
Tackling the 5th Grade Science Test
Tackling the 5th Grade Science Test

... 11. Outer planets are Jupiter, Saturn, Uranus and Neptune. 12. Inner and outer planets are separated by the asteroid belt. 13. Know general characteristics about each planet. For example, Mars is red because there is a lot of iron in the soil. Another example: Saturn has rings. The rings are made up ...
Is the Sun a Star? - Classroom Websites
Is the Sun a Star? - Classroom Websites

... the fact that "the Sun is a star" but may not realize the full implications of that statement, because many still think that there are many stars in the solar system. Helping students develop a realistic mental model of the solar system that contains just one star should be a key goal for middle sch ...
navigation - Claire Lambe Home
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Exoplanets - Polarisation.eu

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Stellar Brightness Apparent magnitude

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Thinking About Gravity
Thinking About Gravity

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First Grade Science DayNight 2013 - RandolphK
First Grade Science DayNight 2013 - RandolphK

... system. • 3.E.1.1 Recognize that the earth is part of a system called the solar system that includes the sun (a star), planets, and many moons and the earth is the third planet from the sun in our solar system. • 3.E.1.2 Recognize the changes in the length and direction of an object’s shadow indicat ...
Unpublished draft available in  format
Unpublished draft available in format

... astronomy is constantly being sustained or even increased by the development of new techniques and instruments; radio astronomy and space observatories are two formidable examples in recent years. ...
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... the paths of comets, the tides of the sea, the dissimilarities in rays of light, and, what no other scholar has previously imagined, the properties of the colors thus produced. Diligent, sagacious and faithful, in his expositions of nature, antiquity and the holy Scriptures, he vindicated by his phi ...
A Planetary Overview
A Planetary Overview

... A dwarf planet is a celestial body that (a) is in orbit around the Sun, (b) has sufficient mass for its self-gravity to overcome rigid body forces so that it assumes a hydrostatic equilibrium (nearly round) shape, (c) has not cleared the neighborhood around its orbit, and (d) is not a satellite. All ...
featured in the Arizona Daily Star
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... a transmission electron microscope to see the atomic structure and to learn more detailed chemistry. With that information, we determine how and under what pressure and temperature conditions the solid dust grains formed around their host stars. Figuring out how the grains formed and their structure ...
Characteristics of Stars
Characteristics of Stars

... All stars are huge spheres of glowing gas They are made mostly of hydrogen They produce energy through nuclear fusion They are classified according to their physical characteristics • Characteristics used to classify stars include: color, temperature, size, composition, and brightness ...
PowerPoint
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... time, a graph for V(t) can be found, from which we can get values for v and T. Then, knowing v and T, we can find the orbital radius r of the star about the center of mass: ...
Physics Revision Questions
Physics Revision Questions

... These bulbs last much longer and so as well as reducing energy use they also reduce waste which is better for the environment. = Cost of installing (£)/Saving per year (£) No, it can only be transferred. Energy is conserved. ...
Pluto Evidence
Pluto Evidence

... Pluto is not a planet because it has not cleared out its local neighborhood. When a planet has cleared its local neighborhood, there are no other objects flying where it orbits. Any object that passes near the planet either gets pulled into the planet or gets flung away by the planet. Because the pl ...
Very Low Mass Stars as Optimum Sites of Habitable Planets
Very Low Mass Stars as Optimum Sites of Habitable Planets

... Low-mass stars (spectral type M, masses below ~ 0.7 solar masses) spend their first few Gyr as dMe flare stars, and only gradually decline in activity. Habitable planets? Since lowest mass stars are most common in Galaxy, and 3D hydro/climate simulations by Joshii et al. (1997) showed atmospheric re ...
If you weighed 100 lbs on Earth, you would weigh 38 pounds on
If you weighed 100 lbs on Earth, you would weigh 38 pounds on

... Scientists think that there may be *volcanic activity* on Mercury. They are still studying information sent to Earth from the Mariner spacecraft to make sure. ~ The temperature on Mercury ranges from 90 K to 700 K. ...
the candidate teachers` perception about basic astronomy concepts
the candidate teachers` perception about basic astronomy concepts

... All of the candidates specified that there is a relation between the Sun and star, and attempted to explain what that relation is. The candidate with code K3 briefly expressed about Sun and star’s relation is ‘stars reflect the Sun rays’. The other candidates explained the same relation that ’Sun is ...
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For stars

... • Rigel (m = 0.12) • Spica (m = +1.0) • Which looks brighter? Rigel BUT... It turns out that Spica actually gives off 1000 times more light than Rigel!! SO..If Spica is giving off more light, why would it appear dimmer in the sky here at Earth? ...
Course Notes on Climate Change
Course Notes on Climate Change

... The glass walls of the greenhouse therefore act like a radiation trap, producing a higher temperature inside than out. This trapping of radiation is often called the 'greenhouse effect', and it occurs also in cars and buildings that are exposed to the sun's radiation. In fact, however, a more signif ...
COMING EVENTS The Pluto Files Volume 37 Number 03 March
COMING EVENTS The Pluto Files Volume 37 Number 03 March

... spots’ 5 to 10 percent the size of the star—so big they can be detected from Earth,” Drake says. “The stars also interact magnetically very violently, shooting out monster flares.” Worst of all, the decreasing distance between the two stars “changes the gravitational resonances of the planetary syst ...
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Extraterrestrial life



Extraterrestrial life is life that does not originate from Earth. It is also called alien life, or, if it is a sentient and/or relatively complex individual, an ""extraterrestrial"" or ""alien"" (or, to avoid confusion with the legal sense of ""alien"", a ""space alien""). These as-yet-hypothetical life forms range from simple bacteria-like organisms to beings with civilizations far more advanced than humanity. Although many scientists expect extraterrestrial life to exist, so far no unambiguous evidence for its existence exists.The science of extraterrestrial life is known as exobiology. The science of astrobiology also considers life on Earth as well, and in the broader astronomical context. Meteorites that have fallen to Earth have sometimes been examined for signs of microscopic extraterrestrial life. Since the mid-20th century, there has been an ongoing search for signs of extraterrestrial intelligence, from radios used to detect possible extraterrestrial signals, to telescopes used to search for potentially habitable extrasolar planets. It has also played a major role in works of science fiction. Over the years, science fiction works, especially Hollywood's involvement, has increased the public's interest in the possibility of extraterrestrial life. Some encourage aggressive methods to try to get in contact with life in outer space, whereas others argue that it might be dangerous to actively call attention to Earth.
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