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Chapter 19
Chapter 19

... Olympus Mons is part of the Martian volcanoes. It is the largest mountain in our solar system. It is three times the height of Mount Everest. The Martian volcanoes grew from lava flows. Because Mars has low gravity, the weight or the lava is lower than on other planet, volcanoes could grow very lar ...
10.1 PPT
10.1 PPT

... expansion of a tiny volume of space, about 13.7 billion years ago. All the matter in the universe is thought to have been created at that moment. ...
Teacher`s Guide The Solar Empire: A Star is Born
Teacher`s Guide The Solar Empire: A Star is Born

... Definition: One of the outer planets of the solar system (Jupiter, Saturn, Uranus, and Neptune), which are composed of various amounts of hydrogen, helium, methane, and other gases. Context: Jupiter marks the start of the gas giants—massive planets that formed from the lightest chemical elements in ...
PPT File - Brandywine School District
PPT File - Brandywine School District

... The Kuiper Belt is made up of millions of icy and rocky objects that orbit our Sun beyond the orbits of Neptune and Pluto. It's hard to say exactly what's going on in the Kuiper Belt. Even the biggest of the Kuiper Belt Objects is smaller than the United States and it is billions of miles away where ...
SolarSystem Powerpoint lesson
SolarSystem Powerpoint lesson

... The Kuiper Belt is made up of millions of icy and rocky objects that orbit our Sun beyond the orbits of Neptune and Pluto. It's hard to say exactly what's going on in the Kuiper Belt. Even the biggest of the Kuiper Belt Objects is smaller than the United States and it is billions of miles away where ...
Warm Up - Cloudfront.net
Warm Up - Cloudfront.net

... The main results of the earth’s rotation are night and day  There are two kinds of days!  Mean Solar day – time interval from one noon to the next (~ 24 hours)  Sidereal day – the time it takes for the Earth to make one complete rotation with respect to a star other than our sun (23 hours, 26 min ...
movement in the solar system
movement in the solar system

the planets - St John Brebeuf
the planets - St John Brebeuf

... 1) Our solar system is full of planets, moons, asteroids and comets, all of which revolve around the Sun at the center. 2) When a star forms from a nebula, gravity pulls most of the material into the new star, but some may also clump together to form objects in a solar system. a) ...
the planets - St John Brebeuf
the planets - St John Brebeuf

... 1) Our solar system is full of planets, moons, asteroids and comets, all of which revolve around the Sun at the center. 2) When a star forms from a nebula, gravity pulls most of the material into the new star, but some may also clump together to form objects in a solar system. This is the Nebular Th ...
Henry6SCI5 (H6SCIALL)
Henry6SCI5 (H6SCIALL)

... 1. A) Both the temperature and pressure increase. 2. A) A 3. C) The temperature of the rock will rise faster. 4. B) The temperature of the star mass increases. 5. A) it has curved arms. 6. D) 4 7. D) Falling water 8. D) It is a metamorphic rock. 9. A) evaporation 10. B) evaporation and condensation ...
K-‐8 Earth and Space TEKS Cards
K-‐8 Earth and Space TEKS Cards

... Earth and space. The student knows that there are recognizable patterns in the natural world and among the Sun, Earth, and Moon system. The student is expected to: (A) measure and record changes in weather and make predictions using weather maps, weather symbols, and a map key; (B) describe and illu ...
ASTR 101 Final Study Guide I received study guides for Chapters 1
ASTR 101 Final Study Guide I received study guides for Chapters 1

... Gravity holds a star together, while pressure supports a star against gravity. Stars form from the matter in interstellar clouds, but also return much of that matter back to space once they live and die out. Interstellar matter is mostly hydrogen, with some helium as well as a tiny amount of silicat ...
Earth Science SOL Review
Earth Science SOL Review

... • Type of sedimentary rock that is made up of fragments of other rocks; includes sandstone, conglomerate, and shale ...
PPT slide - Solar Physics Group
PPT slide - Solar Physics Group

... ...
test corrections
test corrections

... 25. What is the big bang theory? 26. At which latitude does the amount of daylight vary the most? Why? 27. Why do we use models in Earth Science? 28. How can a scientific hypothesis become a theory? 29. What is solar wind made of? 30. Draw a diagram of how Earth would look relative to the Sun on the ...
Lecture 3 - Concord University
Lecture 3 - Concord University

... Geocentrism Ancient Greeks: Earth is center of universe (“geocentric”) orise & set of sun/moon/planets can be explained Q: how? owe don’t feel Earth is spinning would mean we move at 900 mph w.r.t. Earth center → why aren’t we flung off? oapparent lack of stellar parallax Proof by contradiction: w ...
IQ 2
IQ 2

... • B. Sunset is correct. • The phases of the moon refer to the pattern of illumination on the hemisphere facing Earth. Full Moon occurs when the entire hemisphere is illuminated, which can only occur when the Moon is directly opposite the Sun as seen from the Earth. The full moon must rise just as th ...
Exoplanets
Exoplanets

... All (or almost all?) are gas or ice giants • Masses from 7ME up to > 13MJ (MJ = 320 ME) Orbits are mostly unlike the Solar System • “Hot Neptunes” & “Hot Jupiters” (a < 0.4 AU) are common • Orbits are often very eccentric Earths cannot be detected yet ...
Page 4
Page 4

Solar System
Solar System

... How did it all begin? Big bang proponents suggest that some 10 billion to 20 billion years ago, a massive blast allowed all the universe's known matter and energy to begin to expand. Our solar system which is located in one of the spiral arms of the Milky Way galaxy, began about 4.6 billion years a ...
PPT - El Camino College
PPT - El Camino College

... • Solar nebula began as a BIG low density gas cloud and it was: (page 237) – Cold (no sunlight) – Rotating counterclockwise slowly – Spherical (almost) ...
Milky Way galaxy - Uplift North Hills Prep
Milky Way galaxy - Uplift North Hills Prep

... ■ diameter ~ 100,000 ly thickness ~ 2000 ly ■ it has a bulging central nucleus and spiral arms. ■ about 1011 stars = 100 billion stars. Counting - over 3000 years! ■ The total mass of all stars ≈ 3 ×1041 kg. ■ our Sun ~ 28,000 ly from the center. ...
The solar system
The solar system

... Rotates on its axis slowly when compared to Earth, it completes one rotation in about 6 days and 9 minutes Is sometimes known as a double-planet because it has a moon (Charon) that orbits it Has a total of 1 moon ...
Possibilities for life elsewhere in the Solar System In our fifth
Possibilities for life elsewhere in the Solar System In our fifth

... releasing energy as a result. If we project this back to the first hundred million years of the solar system, at that point Jupiter was radiating more energy and indeed its giant satellites might have received more energy from Jupiter than from the Sun. Could this have meant surface liquid water for ...
Used for stars w/in a few hundred LY
Used for stars w/in a few hundred LY

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Rare Earth hypothesis



In planetary astronomy and astrobiology, the Rare Earth Hypothesis argues that the origin of life and the evolution of biological complexity such as sexually reproducing, multicellular organisms on Earth (and, subsequently, human intelligence) required an improbable combination of astrophysical and geological events and circumstances. The hypothesis argues that complex extraterrestrial life is a very improbable phenomenon and likely to be extremely rare. The term ""Rare Earth"" originates from Rare Earth: Why Complex Life Is Uncommon in the Universe (2000), a book by Peter Ward, a geologist and paleontologist, and Donald E. Brownlee, an astronomer and astrobiologist, both faculty members at the University of Washington.An alternative view point was argued by Carl Sagan and Frank Drake, among others. It holds that Earth is a typical rocky planet in a typical planetary system, located in a non-exceptional region of a common barred-spiral galaxy. Given the principle of mediocrity (also called the Copernican principle), it is probable that the universe teems with complex life. Ward and Brownlee argue to the contrary: that planets, planetary systems, and galactic regions that are as friendly to complex life as are the Earth, the Solar System, and our region of the Milky Way are very rare.
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