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Mountain Skies - Pisgah Astronomical Research Institute
Mountain Skies - Pisgah Astronomical Research Institute

... close to the sun in the morning twilight as back in January. Venus was in conjunction behind the sun on June 6 and Mercury follows suit this coming Wednesday. Since Mercury moves much faster, it will catch up with Venus and the two will be less than a degree apart on July 16. The dedicated observer ...
EARTH SCIENCE MISCONCEPTIONS
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... The Sun will never burn out. The Sun is not a star. The universe is static not expanding. The universe contains only the planets in our solar system. Mountains are rapidly created. The soil we see today has always existed. Rocks must be heavy. The Earth is molten except for the crust. Gravity acts d ...
Overview Notes - School District of La Crosse
Overview Notes - School District of La Crosse

... A. Astrophysics- the use of atomic physics to explain how various forms of radiation are created. 1. a stars radiation is the summation of all the radiation given off by the individual atoms of the star( quantum mechanics). a. the interaction of gravity holding the atoms together in the star and und ...
DEC-ppt-EVS - WordPress.com
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Chapter 14 - Heritage Christian School
Chapter 14 - Heritage Christian School

... developed, allowing the ancients to predict events and assist in planting of crops and keeping track of animal migrations. This was handy as it helped them in the procuring of food. They noted that: ...
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... Sun, Stars and Planets [Level 2] 2015 - 2016 Dr David Clements Course Aims: To become familiar with the structure and evolution of the Sun and other stars. To become familiar with the key physical principles that determine the current state of the planets in our own Solar System, and that allow us t ...
The Solar System
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... planetary orbit stating the planets rotated in an elliptical orbit. Galileo used the newly invented telescope to study the planets and say there were many planets orbiting the sun. Planetary system- a system of planets revolving around the sun (a star). ...
an object that moves around another object in space
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... atmosphere or a pane of glass) that only allows certain wavelengths of light through. For a planet, like the Earth or Venus, the atmosphere allows in UV and visible light, but blocks some infrared light. The Earth radiates its blackbody emission in the infrared, but some of that is blocked, so the h ...
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proposed another geocentric _ _ _ _ _.
proposed another geocentric _ _ _ _ _.

... Kepler (1571-1630) supported Copernicus’s _ _ _ _ _ _ _ _ _ _ _ _ model and applied mathematics to the observations of _ _ _ _ _ _ _ _ _ _ _ who proceeded him. He proposed three theories to explain the _ _ _ _ _ _ of planets. His theories are now Kepler’s Laws. Kepler’s First Law describes the motio ...
Science Success Academy
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... Shuttle program provided successful low-Earth orbit missions, but NASA's heavy-lift launch vehicle will provide a new capability for human exploration beyond low-Earth orbit. The Space Launch System, shown here with Orion on it, is designed to be flexible for launching spacecraft for crew and cargo ...
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... Models were generally wrong because they were based on wrong “first principles”, believed to be “obvious” and not questioned: 1. Geocentric Universe: Earth at the Center of the Universe. 2. “Perfect Heavens”: Motions of all celestial bodies described by motions involving objects of “perfect” shape, ...
Our Habitable Earth
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... range in size from that of a fingernail to that of a car. The mean temperature on the surface of the clouds is -290°F and it is composed of mostly hydrogen and helium gas. Jupiter(1.4x10^5km)Jupiter is a gas giant. The average temperature at the cloud tops is -244°F. It has a very thick atmosphere a ...
SEM 1.4_Astronomy
SEM 1.4_Astronomy

...  The solar nebular theory is our best current hypothesis for the origin of the solar system.  There are different theories that explain the creation of the universe including the oscillating universe theory and the Big Bang theory. The Big Bang theory is our best current model for the origin of th ...
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... Solar System Notes Solar System- A group of planets, moons and other satellites that orbit around a star. The Sun-the most important object in our solar system. Our sun provides light and heat for earth Our sun is a star When the sun rises and sets it looks like it is moving but it is not actually m ...
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Astrobiology



Astrobiology is the study of the origin, evolution, distribution, and future of life in the universe: extraterrestrial life and life on Earth. This interdisciplinary field encompasses the search for habitable environments in our Solar System and habitable planets outside our Solar System, the search for evidence of prebiotic chemistry, laboratory and field research into the origins and early evolution of life on Earth, and studies of the potential for life to adapt to challenges on Earth and in outer space. Astrobiology addresses the question of whether life exists beyond Earth, and how humans can detect it if it does. (The term exobiology is similar but more specific—it covers the search for life beyond Earth, and the effects of extraterrestrial environments on living things.)Astrobiology makes use of physics, chemistry, astronomy, biology, molecular biology, ecology, planetary science, geography, and geology to investigate the possibility of life on other worlds and help recognize biospheres that might be different from the biosphere on Earth. The origin and early evolution of life is an inseparable part of the discipline of astrobiology. Astrobiology concerns itself with interpretation of existing scientific data; given more detailed and reliable data from other parts of the universe, the roots of astrobiology itself—physics, chemistry and biology—may have their theoretical bases challenged. Although speculation is entertained to give context, astrobiology concerns itself primarily with hypotheses that fit firmly into existing scientific theories.The chemistry of life may have begun shortly after the Big Bang, 13.8 billion years ago, during a habitable epoch when the Universe was only 10–17 million years old. According to the panspermia hypothesis, microscopic life—distributed by meteoroids, asteroids and other small Solar System bodies—may exist throughout the universe. According to research published in August 2015, very large galaxies may be more favorable to the creation and development of habitable planets than smaller galaxies, like the Milky Way galaxy. Nonetheless, Earth is the only place in the universe known to harbor life. Estimates of habitable zones around other stars, along with the discovery of hundreds of extrasolar planets and new insights into the extreme habitats here on Earth, suggest that there may be many more habitable places in the universe than considered possible until very recently.Current studies on the planet Mars by the Curiosity and Opportunity rovers are now searching for evidence of ancient life as well as plains related to ancient rivers or lakes that may have been habitable. The search for evidence of habitability, taphonomy (related to fossils), and organic molecules on the planet Mars is now a primary NASA objective on Mars.
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