Day, Month or Year?
The time it takes Earth to make one full revolution on its axis
24 hours
(23 hours 59 minutes)
The color of a star tells us
Temperature and Age
All stars are born inside of
Nebula
A burned out average star
Black Dwarf
An animal with no backbone is called a
Invertebrate
The Earth's moon is also called this; hopefully you know your spanish.
Luna
Luminosity refers to a stars
Brightness
A brand new star is also called a
Protostar
A blue star
Hot and Young
The largest rainforest on earth
Amazon rainforest
A year in astronomy refers to:
The time it takes a planet to revolve around the sun
Red stars are the __________ and ________.
Oldest and Coldest
A star spends most of its life in this stage
Main Sequence
A yellow star
The star is in the middle of its life
The largest desert on earth; not hospitable for human life
Sahara Desert
Which two planets have a shorter year than Earth?
Which five planets have longer years?
Mercury & Venus
Mars, Jupiter, Saturn, Uranus, Neptune
Order the stars from hottest to coldest:
Orange, White, Red, Blue, Yellow
Blue
White
Yellow
Orange
Red
This determines rather a star will turn into a Neutron Star or a Black Hole
The stars mass
Planetary Nebula
An average star exploded
Albert Einstein developed this famous mathematical equation as the formula for finding the energy of certain objects
E=MC2
1 year on pluto is about this many years on Earth
248 years
(250)
When Hydrogen fuses together to form Helium this causes a star to shine. This is also known as:
Fusion
The life cycle of the largest stars in the known universe
Nebula
Protostar
Main Sequence
Red Supergiant
Supernova
Black Hole
The larger a stars radii the more:
Luminosity or Mass
When a population has reached its limit in an ecosystem and the ecosystem cannot support anymore of these organisms, we say the population has reached its
Carrying Capacity