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The Sun, Moon, & Earth
The Sun, Moon, & Earth

... of the earth and the other side of the earth is in darkness. Hence, the sun and other stars never go away. ...
Planet Earth – Could There be Life?
Planet Earth – Could There be Life?

... in which liquid water can be on the surface of the planet!  Pictures of the planet show liquid water covering a large portion of the Earth’s surface! ...
Worksheet 1
Worksheet 1

... O. A region between the orbits of Mars and Jupiter in which most of the Solar System’s asteroids are located P. A rocky planet similar to the Earth in size and structure Q. A vast region in which comet nuclei orbit R. Microscopic solid dust particles in interstellar space S. An object that orbits th ...
January
January

... METEOR SHOWERS - Quadrantid Meteor Showers the first week of the month. Best seen after midnight and early morning and conditions are expected to be ideal. However, the number of meteors are expected to be below average and very close to the Northern horizon. Atmospheric velocity of the meteors, spe ...
Motions in the Sky
Motions in the Sky

... so the light is more direct. ...
The Earth
The Earth

... • The north pole is currently pointing to a spot near the star Polaris. Because the vernal equinox is the starting point for most star charts, the charts must be made for a certain period. The star charts must be updated periodically to account for this movement of the reference point. • Because of ...
General Relativity
General Relativity

... All clocks run slower in a strong gravitational field than they do in a weaker field. The clock at r1 will run slower than that at r2 (r2 is the position further from the source of gravity and thus experiencing a weaker gravitational effect). Gravitational time dilation has been measured using clock ...
01 Geography and History 1.1
01 Geography and History 1.1

... •  The Earth is a sphere but it is not perfectly round. It is slightly flattened at the poles. ...
Johannes Kepler
Johannes Kepler

... At the university Maestlin had to teach the Ptolemaic model. However, Maestlin was able to show his graduate students (one of them being Kepler) Copernicus’s heliocentric system. ...
Star Formation
Star Formation

... Surface Gravity – strength of a planet’s gravitational pull at its surface - depends on a planet’s size & mass ...
solar system study guide - East Hanover Township School District
solar system study guide - East Hanover Township School District

... Venus – second closest planet to the sun, terrestrial planet, has many volcanoes, dense heavy atmosphere, very hot, no moons, named after the Roman goddess of love and beauty, a day on Venus (one ROTATION) is longer than Venus’s year (one REVOLUTION); hottest planet Earth - third closest planet to t ...
Our Fun Sun - Environmental Science Institute
Our Fun Sun - Environmental Science Institute

... gravitational force that the sun exerts on an object. This force factor is 27.9 times larger relative to the earth’s gravitational force. This force will determine how much something would weigh on the sun. You can see that the mass of the object will always remain the same, but the weight changes d ...
File - Mrs. Ratzlaff
File - Mrs. Ratzlaff

... The Asteroid Belt Made up of asteroids which are _______ _______ bodies orbiting the _______. The largest, Ceres, is nearly _________ across, it is called a dwarf planet. Scientist believe the rocks are left over from a __________ that never formed. Asteroids ___________ as the ___________ around th ...
First Problem Set
First Problem Set

... burst survive to reach ground level, estimate the height of the burst and calculate the distance as measured in the muon’s frame. The muon mean lifetime is 2.2 µsec. [Ans: 2.13 × 104 m, 3.01 × 103 m.] *10. Twin paradox for fun - C Darwin Nature 180 976 (1957). On New Year’s day 2030 an astronaut (A) ...
THE DOCTRINE OF ORIGINAL SPIN
THE DOCTRINE OF ORIGINAL SPIN

... I presented a paper entitled “Discontinuous Ether Model” at a meeting of the NPA in Berkeley in May, 2000. I have copies here for those of you who might want one. Also it can be accessed on my web-site: www2.cruzio.com/~ftc or a slightly edited version was published by: www.journaloftheoretics.com ...
space
space

... measure of distance based on the speed of light (186,000 miles per second) ~ the total number ol seconds 'in a year's time .. ...
Document
Document

...  Uranus has the coldest temperature of -224⁰C  Uranus is tipped over on its side with an axial tilt of 98⁰. It is described as “Rolling around the Sun on it’s side.”  Uranus Has 27 moons and 13 rings. ...
October 3
October 3

... rotating cloud, wouldn’t you expect that all the pieces would have the same angular momentum as the original cloud? How must the solar system have changed since the time of its formation that this is no longer the case? ...
Friends of the Planetarium Newsletter September
Friends of the Planetarium Newsletter September

... the craft's Philae lander. Had that been the case, says Rosetta mission manager Fred Janssen, his team would have put the odds of a successful landing at 70 or 75 percent. However, nature has thrown the project a few curves. Not only is the comet's nucleus complicated, an irregular, double-lobed str ...
Presentation: The Sun and Solar Nebula Theory
Presentation: The Sun and Solar Nebula Theory

... The Structure & Origin of the Solar System In this section, the notes describe … 1. The Sun 2. The structure of the solar system 3. The appearance of the Moon in the sky and related phenomena like eclipses and tides 4. The origin of the solar system However, this presentation will focus on • The pro ...
Our Sun - Stephen W. Ramsden
Our Sun - Stephen W. Ramsden

... The Sun is almost a perfect sphere because of the mechanical balance between gravity causing collapse and gas pressure causing expansion. ...
Describing the Solar System File
Describing the Solar System File

... Comets are thought to come from either of two regions outside of the solar system. Kuiper Belt - Much like the Asteroid Belt, this s a ring of rocks that orbit the Sun outside of Neptune’s orbit. The debris out there is thought to have been untouched since the formation of the Solar System. Oort Clo ...
Sun, Moon and Stars - Siemens Science Day
Sun, Moon and Stars - Siemens Science Day

... After completing this activity, students should be able to differentiate between solar system, Milky Way, and galaxy. They should be familiar with the planets in our Milky Way system and discuss the location of the sun, Earth, and moon within the Milky Way. They should be able to explain the connect ...
ppt
ppt

... Evidence of collisions: - cratered surfaces on objects of all sizes - high mass density of Mercury - extremely volatile-poor composition of the Moon - heavy bombardment until 700 My after the Moon was formed - the huge Herschel crater on Mimas - retrograde rotation of Uranus and Pluto - spin axis ti ...
Force and Motion How To Get and Hold Onto A Moon
Force and Motion How To Get and Hold Onto A Moon

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Astronomical unit

The astronomical unit (symbol au, AU or ua) is a unit of length, roughly the distance from the Earth to the Sun. However, that distance varies as the Earth orbits the Sun, from a maximum (aphelion) to a minimum (perihelion) and back again once a year. Originally conceived as the average of Earth's aphelion and perihelion, it is now defined as exactly 7011149597870700000♠149597870700 meters (about 150 million kilometers, or 93 million miles). The astronomical unit is used primarily as a convenient yardstick for measuring distances within the Solar System or around other stars. However, it is also a fundamental component in the definition of another unit of astronomical length, the parsec.
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