Planets
How many planets are in our solar system and what are their names in order?
8 planets- Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune
What is the nearest star to Earth?
The sun/ sol
What is our home galaxy and what type of galaxy is it?
The Milky Way and a spiral galaxy
What are objects moving in space such as asteroids, comets, and meteors called?
Near-Earth objects (NEO)
What is the most widely accepted explanation of how our universe became to be?
The Big Bang Theory
What are the categories planets can be placed into based on their location in the solar system?
Inner and Outer Planets
What are stars mostly made up of?
Hydrogen and Heluim
Where is our solar system located in our galaxy?
Orion's arm
What are the types of asteroids based on location and compostion?
C-type, S-type, and M-type
Main belt asteroids, Trojan asteroids, and Near-Earth asteroids (NEA)
What model is commonly compared to the Big Bang and what does its parts represent?
The raisin-bread model
Bread- the universe
Raisin- galaxies
What are inner and outer planets known as and the names of each planet?
Terristal planets= Mercury, Venus, Earth, and Mars
Jovian planets= Jupiter, Saturn, Uranus, and Neptune
Color, Surface Temperature, Brightness, Size, and Composition
What are the 3 types of galaxies?
Spiral, Elliptical, and Irregualr galaxies
What are the parts of a comet?
Nucleus, Coma, Dust and Gas Tail
What did our universe begin as?
As a hot, dense and infinitely point
What planets are known for having spots on their surfaces and the names of each spot?
Jupiter- Great Red Spot
Saturn- Great White Spots
Neptune- Great Dark Spots
What 2 models are used to classify stars based on brightness, size, and lumonisty?
Morgan-Keenan System and the HR Diagram
What is at the center of the Milky Way?
A supermassive blackhole called Sagittarius A
What are the types of comets and where do they orginate from?
Long-period comet= Oort Cloud
What was created after the Big Bang and the 2 major stages of the universe's evolution?
Matter, energy, time, and space
The Radiation and Matter eras
What defines a planet as a planet?
1) orbit a sun
2) be big enough to enough gravity to force it into a spherical shape
3) be big enough that's its gravity is able to clear away any objects of a similar size near its orbit
What are the different types of stars in size order?
Neutron Star, White Dwarf Stars, Giant Star, Supergiant Star, and Hypergiant Stars
Describe Earth's postion in our universe
Earth is apart of the solar system which is located in the Milk Way galaxy, which is located in the Local Group, which is located in the Local Supercluster
What are the types of meteoroids and their locations?
Meteoroids- in space
Meteors- in Earth's atmosphere
Meteorites- on the Earth's surface
What era has the universe spent most of its life in and what epoch are we in now?
The Matter era and the Stellar epoch