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Print 2010 Western Pacific Geophysics Meeting
Print 2010 Western Pacific Geophysics Meeting

... Arbor, MI, United States. The first two MESSENGER flybys on 14 January 2008 and 6 October 2008 encountered very different solar wind interplanetary magnetic field (IMF) conditions. During the first flyby the IMF was northward, while during the second it was southward; in addition, during both flybys ...
Round 2 - SAASTA
Round 2 - SAASTA

... The speed at which the Moon goes around the Earth is the same as that at which the Earth goes around the Sun. A. True B. False ...
Celestial Motions
Celestial Motions

... winter: lower altitude means less direct sunlight. ...
The Outer Planets: Mercury, Venus, Earth and Mars How are the
The Outer Planets: Mercury, Venus, Earth and Mars How are the

... How are the Outer planets similar?____________________________________________________________________________________________ _______________________________________________________________________________________________________________________ How are the planets different? ______________________ ...
Notes for Unit 5
Notes for Unit 5

... -however, the fuel eventually runs out. When hydrogen runs out, the star shrinks, heating the helium so it fuses to form carbon, and then other elements. More nuclear reactions then case the outer layers of the star to expand, turning the star into a red giant, or, in the case of a massive star, a r ...
ppt - Faculty Virginia
ppt - Faculty Virginia

... not to the degree that Jupiter and Saturn are. - The significant portion of their mass likely made up by water leads to Uranus and Neptune being called “ice giants” ...
PSCI 1414 General Astronomy
PSCI 1414 General Astronomy

... The heliocentric model helped determined the arrangement of the planets Because Mercury and Venus are always observed fairly near the Sun in the sky, their orbits must be smaller than the Earth’s. Planets in such orbits are called inferior planets. The other visible planets (Mars, Jupiter, and Satur ...
astro 001 - courses.psu.edu
astro 001 - courses.psu.edu

... d) they can be observed only from Mount Olympus e) space aliens come from a star system located in the middle of the Zodiac 11. The celestial meridian may best be described as __________. a) the great circle on the celestial sphere dividing the sky into a north half and a south half b) the Moon’s ap ...
Week 2
Week 2

... Reason for Seasons • Earth’s axis points in the same direction (to Polaris) all year round, so its orientation relative to the Sun changes as Earth orbits the Sun Sun. • Summer occurs in your hemisphere when sunlight hits it more directly; winter occurs when the sunlight is less direct. • AXIS TILT ...
Search for Planets Lecture Notes
Search for Planets Lecture Notes

... – Several stars in our galaxy with planets the size of Jupiter within terrestrial zone from their sun – Mass of star • Larger mass, greater luminosity, shorter life • Most abundant stars in galaxy are least luminous and longest-lived (red dwarfs) ...
Planet Search Unit Overview Habitability Zone Around Other Stars in
Planet Search Unit Overview Habitability Zone Around Other Stars in

... – Several stars in our galaxy with planets the size of Jupiter within terrestrial zone from their sun – Mass of star • Larger mass, greater luminosity, shorter life • Most abundant stars in galaxy are least luminous and longest-lived (red dwarfs) ...
The Sky and its Motions
The Sky and its Motions

... The Motion of the Planets (II) • All outer planets (Mars, Jupiter, Saturn, Uranus, Neptune and Pluto) generally appear to move eastward along the Ecliptic. • The inner planets Mercury and Venus can never be seen at large angular distance from the sun and appear only as morning or evening stars. ...
Astro101 lecture from Aug 27
Astro101 lecture from Aug 27

... Aristotle also claimed that while Earth was corruptible and imperfect, the heavenly objects were perfect and not made of the four elements of the world (believed to be fire, water, air, and earth) but rather of an entirely different element called quintessence (=fifth element), which was also perfe ...
Chapter 1
Chapter 1

... Revolution – to go around in the orbit. Rotation – to spin around an axis. The Moon revolves once in about 29 days. The Moon rotates once in exactly the same time. We see only one side of the Moon. The side we don’t see is called the “dark side”. ...
What is a planet?
What is a planet?

... < 30o; but Uranus is tipped at 98o •  interplanetary space is virtually empty, except for the asteroid belt and the Kuiper belt •  planets account for < 0.2% of mass of solar system but > 98% of angular momentum •  solid planetary and satellite surfaces are heavily cratered; cratering rate must have ...
Lecture 2
Lecture 2

... winter: lower altitude means less direct sunlight. ...
If you wish to a copy of this months Night Sky News
If you wish to a copy of this months Night Sky News

... Mars is very poorly placed over the other side of the Solar System, low in the south-west at sunset, and follows the Sun down like this for the next two months or so; conjunction is on the 14th June. Jupiter is by far the most convenient planet to observe this month and can be observed all night thr ...
Intro To The Solar System
Intro To The Solar System

... Earth has diameter 0.3 mm. Sun: ~ size of a small plum. Mercury, Venus, Earth, Mars: ~ size of a grain of salt. Jupiter: ~ size of an apple seed. Saturn: ~ slightly smaller than Jupiter’s “apple seed”. ...
20.1 A Solar System is Born
20.1 A Solar System is Born

... Why doesn’t the nebula cloud collapse? The outward pressure balances the inward gravity ...
The Outer Planets and Their Moons
The Outer Planets and Their Moons

... • Neptune has 7 moons. As with the other gas giants, the small moons are just outside the edge of a ring system. • Triton at 5,400 kilometers diameter, is Neptune’s largest moon and the 7th largest satellite in Solar System (only a little smaller than our Moon). Triton is a creamy-white moon with fe ...
Cycles and Patterns Related to the Earth, Sun
Cycles and Patterns Related to the Earth, Sun

... The spinning of Earth on its axis causes Day and Night. The sun and the gravity pull from the sun causes the earth to spin at a pole though so as the earth spins around the sun it also spins on its axis to cause day and night. The earth rotates on its axis as it moves (orbits) around the sun. The si ...
The Motion of the Moon and Planets
The Motion of the Moon and Planets

... Summary: Two conditions must be met to have an eclipse: 1. It must be full moon (for a lunar eclipse) or new moon (for a solar eclipse). AND 2. The Moon must be at or near one of the two points in its orbit where it crosses the ecliptic plane (its nodes). ...
Full moon
Full moon

... • Local noon is when sun crosses our meridian. • Local time varies continuously with longitude. • Standard time zones were invented to avoid confusion. • International Date Line – gain day going east (subtract 1 day from date, repeat day) – lose day going west (add 1 day to date from eastern side) I ...
7th Grade (Life Science)/8th Grade (Physical Science)/Earth
7th Grade (Life Science)/8th Grade (Physical Science)/Earth

... b. the principle natural hazards in different California regions and the geologic basis of those hazards. c. the importance of water to society, the origins of California’s fresh water, and the relationship between supply and need. Scientific progress is made by asking meaningful questions and condu ...
Celestial Motions - Georgia State University
Celestial Motions - Georgia State University

... winter: lower altitude means less direct sunlight. ...
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Comparative planetary science

Comparative planetary science or comparative planetology is a branch of space science and planetary science in which different natural processes and systems are studied by their effects and phenomena on and between multiple bodies. The planetary processes in question include geology, hydrology, atmospheric physics, and interactions such as impact cratering, space weathering, and magnetospheric physics in the solar wind, and possibly biology, via astrobiology.Comparison of multiple bodies assists the researcher, if for no other reason than the Earth is far more accessible than any other body. Those distant bodies may then be evaluated in the context of processes already characterized on Earth. Conversely, other bodies (including extrasolar ones) may provide additional examples, edge cases, and counterexamples to earthbound processes; without a greater context, studying these phenomena in relation to Earth alone may result in low sample sizes and observational biases.
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