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The Local Sky The Local Sky
The Local Sky The Local Sky

... •  Turn the chart until the horizon you are facing is at the bottom. •  The stars on the bottom of the chart are now directly in front of you •  The centre of the chart shows the overhead sky •  The edges show the horizon around you •  A pair of binoculars will be helpful to pick out faint objects • ...
Earth_Science - Gorman Learning Center
Earth_Science - Gorman Learning Center

... universe before stars formed. * Students know the evidence indicating that the color, brightness, and evolution of a star are determined by a balance between gravitational collapse and nuclear fusion. * Students know how the red-shift from distant galaxies and the cosmic background radiation provide ...
DTU 8e Lecture PPT Chap 1 Discovering the Night Sky v2
DTU 8e Lecture PPT Chap 1 Discovering the Night Sky v2

... north polar region (ignoring Earth’s orbit around Earth-Moon barycenter). For the Moon to keep the same side facing Earth as it orbits our planet, the Moon must rotate on its axis at precisely the same rate that it revolves around Earth. ...
AS 300 Chpt 3 Ls 3 The Outer Planets
AS 300 Chpt 3 Ls 3 The Outer Planets

... atmosphere to be about 90 percent hydrogen and 10 percent helium, with small amounts of methane, ammonia, and water vapor. Scientists believe the original solar nebula had a similar makeup. Galileo also found small amounts of certain heavier elements—carbon, nitrogen, and sulfur. These were present ...
Document
Document

... • Newton’s model leads to Olber’s paradox ...
Sep 2014 - Bays Mountain Park
Sep 2014 - Bays Mountain Park

... These are just a few of the places that we could look into as field trips. I have made contact with people at both of these places and I will report my progress in upcoming meetings and articles. I have also been thinking about ways to bring new members into the club. I know this is an area that see ...
Life on hot Jupiters
Life on hot Jupiters

... • Until now, the only planets for which spectra were available belonged in our own solar system. The planets in the Spitzer studies orbit stars that are so far away, they are too faint to be seen with the naked eye. That means both planets are at least about a million times farther away from us than ...
astronomy webquest…… explore the universe
astronomy webquest…… explore the universe

... Stars and planets are made from gases in a __________________. The Milky Way Galaxy is approximately _______________ light years across. How much longer will our Sun last? _________________________ Lifetimes of stars range from ___________ to ____________ years. Our star orbits the centre of our gal ...
XI. Astronomy: Solar-System Debris and Comets
XI. Astronomy: Solar-System Debris and Comets

... global atmospheric haze has many more layers than scientists realized. The haze even creates a twilight effect that softly illuminates nightside terrain near sunset, which makes them visible to the cameras aboard the spacecraft. Today, a new ...
TOF Bible society 7.indd
TOF Bible society 7.indd

... Not long ago I bought a new x [have a gadget, children’s construction kit, or even a piece of flat pack furniture if you’re feeling adventurous, under a sheet/in a bag. You or one of the children can now pull off the sheet/take it out of the bag in a dramatic way]. My [item] is made of pieces of [wo ...
Study Island Test and Guide Gravity
Study Island Test and Guide Gravity

... Similarly, because the Sun is so much more massive than the Earth, its gravitational force is a lot greater than the Earth's, and if a rock could be taken to the surface of the Sun, it would weigh a lot more than it does on the Earth. 8. What keeps a planet moving in orbit is a combination of the g ...
The Search for Extrasolar Planets
The Search for Extrasolar Planets

... During the recent decade, the question of the existence of planets orbiting stars other than our Sun has been answered unequivocally. About 150 extrasolar planets have been detected since 1995, and their properties are the subject of wide interest in the research community. Planet formation and evol ...
Convocatory Topics 7th Grade TOPICS
Convocatory Topics 7th Grade TOPICS

... the way in which astronomers measure the luminosity and brightness of stars. Define Luminosity Temperature and Size: Analyze the way in which astronomers use color to determine the surface temperature of stars. Compare the size of the sun to the size of other stars. Describe the sun’s composition an ...
Chapter 1 - Chabot College
Chapter 1 - Chabot College

... A. Yes, because we can see stars in Andromeda, so they can see us in the Milky Way. B. No, the light from the solar system has not yet reached Andromeda. C. No, the light from the solar system that has reached Andromeda came from a time before Earth had formed. D. No, radio signals from terrestrial ...
lec01_26sep2011
lec01_26sep2011

... by their principal planets, and each planet attracts all the others, and is attracted by them. All these actions and re-actions vary according to the quantities of matter and the distances, and give rise to great inequalities, and even irregularities. How are so many relations to be combined and est ...
8th Grade Earth Science Objectives
8th Grade Earth Science Objectives

... Students will use the knowledge they have gained about meteorology to construct a weather map on posterboard. They will come up with a reasonable forecast for the state they have chosen. They give the forecast as an oral presentation with the weathermap beside them similar to a TV meteorologist. ...
Detecting the glint of starlight on the oceans of distant planets
Detecting the glint of starlight on the oceans of distant planets

... Earth-like planet in reflected light (λ < 1 µm) as it orbits its star. A planet may change color and vary in brightness by a few hundred percent as it rotates in hours to days (Ford et al., 2001). Desert-covered land masses and bright clouds account for the bulk of the diurnal variation on Earth and ...
The Terrestrial Planets
The Terrestrial Planets

... in its climate and therefore much more accessible for future human expansion throughout the solar system. Historically, this planet was regarded as a potential target for finding life beyond Earth, and it is still addressed as a possible site that could harbor life at the microbial level and where e ...
Solar System: ground-based
Solar System: ground-based

... • Sun is ~1010 times brighter than Earth at VIS – concentrate light as much as possible – make separation as large as possible ...
SASS_Talk_4_16_08
SASS_Talk_4_16_08

... I will try to motivate you with two scenarios 1) You accidentally black out at a party and wake up in a field somewhere*. You want to know where you are**, what time it is***, and figure out which way east is 2) You hear there is a comet that just became very bright in the sky and you want to know w ...
What makes a planet habitable?
What makes a planet habitable?

... 20EUV (4.13 Gyr ago): subsolar obstacle distance 12.7REarth N+ion pick up loss rate ~2 ×1030 s-1 Total loss of nitrogen would result in an equivalent amount of ≤ 20 bar during ~ 50 Myr Simulations indicate that the atmosphere should have been protected more efficiently most likely due to higher carb ...
Comets
Comets

... 2. Where are most asteroids found? Between the orbits of Mars and Jupiter in the asteroid belt 3. What are meteoroids and how do they form? A chunk of rock or dust in space Form when asteroids collide in space or when comets break apart ...
7.4 – Universal Gravitation
7.4 – Universal Gravitation

... system has the same period2/distance3 ratio. If one used exact numbers of orbital period and distance from the sun, the ratio would still be equal to each other. Example: What is the most accurate description of the shape of Mars’ orbit around the sun? Answer: An ellipse Example: Which planet takes ...
Lecture 7 Phys 1810
Lecture 7 Phys 1810

... • Tidal forces: cause distortion of an object by pull of another object. • Can occur when – Objects close (e.g. Earth & Moon) – 1 object is very massive (e.g. Jupiter & Io; Sun & Earth.) ...
Magic
Magic

... - a great circle crossing the equator and passing through the poles. Every point on the Earth's surface has its own meridian or circle of longitude, which passes through its zenith. The point on the heavens where the projection of this circle intersects the ecliptic, marks the midheaven (MC) or the ...
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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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