Vocab
Define Constellations
patterns of stars that are visible during certain seasons of the year as Earth orbits in its path around the sun.
_____ _____ is a wheeled crafted used to explore the Moon
Lunar Rover
There are 2 layers in the atmosphere above the sun’s photosphere. What are they?
Chromosphere and Corona
We group planets into 2 major groups…
Terrestrial Planets and Jovian Planets
The Moon is a _______ of Earth.
satellite
Define Atmosphere
The gaseous layer surrounding Earth or another heavenly body
Who said this quote? “One small step for man, one giant leap for mankind.”
Neil Armstrong
What is the inner part of the Moon’s shadow on Earth called?
Umbra
The largest of the non-planetary bodies are called...
Minor Planets
There is a line dividing the lighted side of the Moon from the dark side. What is it called?
Terminator
Define Astronomy
The branch of science that deals with the physical universe beyond Earth’s atmosphere
______ is the spacecraft mission that took Neil Armstrong, Michael Collins, and Buzz Aldrin to the Moon on July 20, 1969.
Apollo 11
______ discovered in 1930 and was considered the farthest planet from the Sun
Pluto
This is when the Sun lights up half of the Moon, but that lit half changes position
Lunar Phase
It takes the Moon about ________ to complete a single trip
1 month (29 days)
This is one of the oldest devices that helped astronomers determine the location and motion of the sun in relation to Earth.
Planets that are large enough to have enough gravity to make them spherically shaped are called...
Dwarf Planets
This is the closest star to Earth, besides our Sun
Proxima Centauri
When the Moon is between Earth and the Sun, we see no reflected sunlight
New Moon
The Moon’s temperature drastically changes between day and night. What is the range?
-250* F in the night up to 250* F during the day.
Define Albedo
the amount of light or radiation reflected by a surface, typically that of a planet or moon.
What were the 2 reasons why Pluto is considered to be no longer a planet?
1. Pluto never fit into either of the 2 major types of planets
2. Astronomers began to discover more and more similar-sized celestial bodies… which meant that they either had to designate all of them as planets or “demote” Pluto to the realm of a minor planet
The sun is about ____ _______ _____ away from Earth
93 million miles
There are actually 3 names for the same celestial object. Name all 3 and define each.
1. Meteoroid - when a piece of rock or dust orbits the sun
2. Meteor - most meteors are identified when they are about 100 km above Earth and completely burn up by the time they reach 80 km
3. Meteorite - When a meteor hits the ground
The average distance from the center of the Moon to the center of Earth is about ________ miles!
238,900