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Celestial Bodies
Celestial Bodies

... Star with the Great Red Spot ...
p - INAF-OAT Trieste Users site
p - INAF-OAT Trieste Users site

... The results of one of the three experiments were consistent with the presence of biochemical activity; however, this signal is believed to be a “false positive” since it was not confirmed by the other two experiments ...
Worksheet Task 2 - www .alexandria .k12 .mn .us
Worksheet Task 2 - www .alexandria .k12 .mn .us

... Are there other planets that support life? That’s exactly what the Kepler mission hopes to discover. NASA launched the Kepler space telescope, designed to find habitable planets, in 2009. So far it has discovered five new Earth-sized planets beyond our solar system. These planets are hotter than the ...
The Sky from Earth
The Sky from Earth

... WHAT IS A NATURAL SATELLITE? • A body that orbits that is not man made ...
OurSolarSystem_part1
OurSolarSystem_part1

... Jupiter, the fifth planet from the Sun, is the largest planet in our solar system. Jupiter is so big that over 1,000 planets the size of Earth could fit into it. It has over 60 moons and 2 rings. Can life exist on Jupiter's moon, Europa? ...
astronomy review - Earth Science R: 1(A,C)
astronomy review - Earth Science R: 1(A,C)

...  Celestial Sphere- an imaginary sphere on which objects of the night sky appear  Motions of the Stars and Planets  Stars appear to rise in the _____________ and set in the ___________  Circumpolar planets appear to revolve around Polaris __________________  The apparent motion of the stars is c ...
Vocabulary Terms
Vocabulary Terms

... Earth: The planet on which we live; the third planetary object orbiting around our sun. Eclipse: a: An eclipse is the total or partial hiding of a planet, star, or moon by another b: The passing into the shadow of a planet, star, or moon. Lunar: Having to do with the moon. Moon: The earth's natural ...
evidence found of solar system around nearby star
evidence found of solar system around nearby star

... report to be published Jan. 10 in The Astrophysical Journal. SETI chose Epsilon Eridani as one of the first targets in its long — but so far vain — search for signs of extraterrestrial intelligence in 1960. The suspected planets are too far away to be detected directly, so their presence has to be i ...
37) What is the largest planet in the solar system?
37) What is the largest planet in the solar system?

... A) Estimate how many possible planets in our solar system may have life B) Estimate how many possible intelligent, communicating civilizations there are in our galaxy. C) Estimate how many possible intelligent, communicating civilizations there are in our universe D) Estimate how many possible organ ...
Astro vol.9 issue 6
Astro vol.9 issue 6

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File

... giants. Other terrestrial planets, aside from Earth, are Venus, Mercury, and Mars. Jupiter is the largest planet in our solar system. The solar system is also made up from other objects including asteroid belts, moons, and dwarf planets like Pluto. On a clear night we are able to see the moon. The ...
File - Teaching Through E
File - Teaching Through E

... sun and the moon. • Like Mercury it was thought to be two separate bodies – Eosphorus as the morning star – Hesperus as the evening star ...
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The Sun, The Moon and The Earth

... as light and heat • The sun appears to be yellow but it is actually white the earths atmosphere makes it look yellow ...
The Solar System. The Inner Planets.
The Solar System. The Inner Planets.

... This is an intermediate-size planet and the most distant of the terrestrial planets from the Sun. It has polar caps made of frozen CO2, many deserts, and volcanoes. There is no liquid water on Mars today, but rather traces of past water flows. The surface is different in the northern (low plains) an ...
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... rocky: Mercury, Venus, Earth & Mars OUTER PLANETS: the 4 planets furthest from the sun. They are large and made mostly of gas: Jupiter, Saturn, Uranus, Neptune STAR: a sphere of hot, glowing gases that gives off its own light and is held together by gravity NUCLEAR FUSION: when, inside a star’s core ...
Astronomy 1001
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... The Solar System Study Guide 1. The solar system is made of the Sun and its eight planets along with many dwarf planets, moons, asteroids, and comets 2. The known planets in the solar system are: Mercury, Venus, Earth , Mars, Jupiter, Saturn , Uranus, Neptune and what was once known as Pluto is now ...
Solar System - Physics Rocks!
Solar System - Physics Rocks!

... DWARF PLANETS i.e. Pluto, Ceres, etc.  Those objects orbiting the Sun, but that have not cleared their orbital pathway of other objects ...
the earth and other planets
the earth and other planets

... Orbit =11.9 earth years 1 day =0.41 earth days ~61 moons; Ganymede is larger than Mercury; thin ring • Density =1.3g/ml • Gas giant planet mainly of Composite image of Jupiter by the Cassini probe. The black dot is the hydrogen and helium. shadow of Europa. Atmosphere banded with giant red spot. Cor ...
Our Earth and Other Planets Lessons
Our Earth and Other Planets Lessons

... postcards from each planet can give children a creative impetus for their own reports. Keep in mind that since the book was written, Pluto has been reclassified as a dwarf planet and additional moons have been discovered orbiting the outer planets. ...
The Scale of the Cosmos
The Scale of the Cosmos

... • Astronomers can calculate that, in binary systems with stars separated by distances of a few AU, the planets should eventually be swallowed up by one of the stars or ejected from the system. • Half the stars in the galaxy are members of binary systems, and many some of them are unlikely to support ...
Name: Date: ______ Period
Name: Date: ______ Period

... ________________________________________________________________ ________________________________________________________________ 42. Pluto is no longer considered a planet. What is its new classification? Why was Pluto removed from the list as a planet? _____________________________________________ ...
Solar System - Doral Academy Preparatory
Solar System - Doral Academy Preparatory

... Too small to be planets Believed to be leftover pieces from the birth of the Solar System that never merged into planets. ...
UNIT 4 STUDY GUIDE Objectives
UNIT 4 STUDY GUIDE Objectives

... What’s the difference between heliocentric & geocentric models of the solar system? What are Kepler’s three laws of planet motion? What objects make up our solar system? What is the unit used for measuring distances in the solar system? What does one of these units equal? How does the sun create its ...
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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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