Earth
How old is earth?
4.6 Billion years
Process which takes place in a star is ____ ______.
Nuclear fusion
What is the largest planet?
Jupiter
Stars are formed from big clouds of gas and dust is known as ____.
Nebulas
At some point, after being a red giant, the Sun's core will heat up enough to fuse helium into ___.
Carbon
What is the outside layer of earth?
The crust
Do all stars make energy through fusion?
Yes
What planet has rings?
Saturn
A star is born when _____ ______ starts.
Nuclear Fusion
As the Sun bloats up to 10 to 150 times its present size, it will be classified as ___ _____ _____.
A Red Sub Giant
What is inside the Mantle?
Mostly Solid rock but parts are hotter and more fluid.
Nuclear fusion reaction takes place under _____ temperature and _____ pressure
High Temperature and High Pressure
Is sun a planet?
No
When the core of a Red Giant collapses it becomes a _____ ______.
White Dwarf
Since it was born, the Sun has increased in luminosity by about ___%
40%
What are the layers of earth?
Crust, mantle, inner core, outer core,
In nuclear fusion, smaller atoms are forced together to create larger atoms. Does this process release, absorb or maintain energy?
Releases Energy
First planet from the sun?
Mercury
When a massive star begins to cool and expand it is known as a ______ _______.
Red Supergiant
When a low mass red dwarf dies, it will be nearly pure ______.
Helium
What is inside the outer core?
Liquid Iron and Nickel
When hydrogen is "fused" together on the Sun, what new element is created?
Helium
What is the fourth planet from the sun?
Mars
When the core of a Red Supergiant collapses, a bright event occurs, known as ______.
Supernova
A really low mass red dwarf could last about ______ years
A trillion years