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Astronomy
Telescopes, Order of Planets, Major characteristics of Planets, The moon and eclipses, stars (star life cycle)
23
Science
10th Grade
05/23/2010

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Cards

Term
Constellations
Definition
a group of stars that appears to form a pattern in the sky
crosses orbits with Neptune
total of 88 different constellations can be seen in the north and south hermispheres.
as you move north you can see more stars.
Term
The Sun-Nuclear Fusion
Definition
combining of nuclei of lighter elements from heavier elements.
ex. Sun
Hydrogen-Helium
Term
Terrestrial
Definition
earthlike, rocky crust, dense mantle and core
Term
Mercury
Definition
the smallest of 4 inner planets. (terrestrial planets)
Term
Venus
Definition
similar in size to earth, mass and gravity.
Term
Dwarf Planet
Definition
orbits sun, spherical, not a satellite (moon)
Term
Jovian
Definition
Jupiter-like
Term
Jupiter's Red Spot
Definition
is a huge storm
Term
Uranus
Definition
orbits sideways
Term
Pluto
Definition
now considered a sward planet
Term
Order of Planets
Definition
Mercury, Venus, Earth, Mars, Saturn, Jupiter, Uranus, Neptune
Term
Functions of a Telescope
Definition
1. Collect Light
2. Magnify Images
3. Separate Distance Objects
4. use as a camera.
Term
Optical Telescopes
Definition
Two Types: Refractor and Reflector
Term
Refracter
Definition
Bends Light
Term
Reflector
Definition
uses mirrors
Term
Non-Optical Telescopes
Definition
Radio Telescopes, Infrared, Microwaves,X-Rays, Gamma Rays
Term
Radio Telescopes
Definition
Location-Earth
Structure- Large Metal Dish
Term
Infrared
Definition
IRAS launched 1983
Term
Microwaves
Definition
COBE Cosmic Background explorer. Discovered evidence of the Big Bang. Launched in 1981.
Term
X-Rays
Definition
Chandra Launched 1999
Term
Gamma Rays
Definition
GRO Gamma Ray Observatory
Term
Physical Properties of the Moon
Definition
2160 Miles Diameter
Less Dense than Earth
1/6 gravity of Earth
Term
Solar Eclipse
Definition
Do NOT look directly at a solar eclipse
Sun is BEHIND.
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