The Root of Astronomy
Astronomy or Astrology?
The Solar System
Solar system formed when a bunch of gas and dust started to contract.
Most of the material concentrated in the center, forming the sun, rotation caused the rest of the gas and dusts to
form a flat, rotating disk
Dust grains stuck to each
1. What are the two main types of optical telescopes? Which type are we going to investigate in
reflector telescopes and refractor telescopes
refractor telescopes are the type of telescope we will investigate
2. What is the focal point
Name _Meagan Rouse_
1, Define the following terms: (20 points)
a) Sedimentary rocks
Rocks formed from particles of dissolved minerals from previously existing rocks.
Middle part of the earths interior; a 2,870 km (about 1,780 miles)
Astronomy derived from two Greek words; astron meaning star and nomos, meaning law
The most distant objects we can detect are 87 million million million miles 139 million million million km
Quasars are very bright distant objects
Pulsars are rapidly
A type of dry terrain where softer sedimentary rocks and clay-rich soils have been extensively eroded by
wind and water
Slow downhill movement of soil down a steep hill
The outermost part on the earths interior structure. A thin, soli
Scientists have shown that the landmasses are not fixed, but slowly migrate across the globe.
o Earth is very dynamic
Shown by how the continents are drifting
The splitting of the continental blocks result in the formation of new oceans.
The Study of minerals Homework
1. What are minerals
a solid inorganic substance of natural occurrence.
2. Different minerals can be recognized by their different
3. Gravel and - are composed of mineral particles.
1. As far as we know from space exploration, which is found ONLY on Earth?
2. How thick are Saturn's rings?
A few hundred meters
3. Photographs show that the surface of Mercury
Is highly cratered
4. Pluto's orbit is
the most elliptical of any planeta
Name: Samy Byrum_
Please Answer the Following Questions as You Watch the Video:
National Geographic; Journey to the Edge of the Universe
https:/youtu.be/mO3Q4bRQZ3k or https:/youtu.be/68tpCpDOsyA
1. How far away is the edge of space from the surface of th