6 documents
What is Astronomy?
Astronomy - is the science of the stars, space, galaxies, planets, asteroids, comets, etc. Investigates extraterrestrial objects in the sky, structure, origin, development, position in the sky, movement. Pythagoras found that the Earth is a ...
Astronomy, 10 pages
2016 01 23
Galaxies and the Universe
Galaxies and the Universe. What Are Galaxies? Greek galax = milk William Herschel, 1783 A disk with the Sun slightly off-center. Th Century “Spiral Nebulae” Nearby. Where Are We in our Galaxy? The visible Milky. Galaxies and Globular ...
Astronomy, 41 page
2016 11 17
Living on the Moon
Living On The Moon. How to breathe on the Moon. Where to sleep on the Moon. Food to eat on the Moon. Keeping clean on the Moon. The Social and Environmental Costs and Benefits of living on the Moon. Where to go the bathroom. on the Moon. What to ...
Astronomy, 9 pages
2017 02 23
Neptune. Contet. About Neptune Neptune symbol Johan Gotfryd Galle Neptune’s color Internal structure Planetary rings. About Neptune. Neptune - the planet one of the sun system. Neptune symbol. Named after the. Johan Gotfryd Galle. Johan Gotfryd ...
Astronomy, 10 pages
2015 05 17
Outer Space
Outer space. What is space? Outer Space means space lying beyond the atmosphere surrounding the Earth. Stars, planets and asteroids. Radiation is one. Stars.  Stars (like our. Planets. We have eight planets in our Solar System. Asteroids are ...
Astronomy, 10 pages
2016 12 15
Solar System
The Solar System. Star 9 8 planets 63 (major) moons asteroids, comets, meteoroids. How are planet sizes determined? Measure angular size on sky, Then use geometry. The distances to. Using angular size to get actual size. Masses - determined. ...
Astronomy, 23 pages
2015 05 21