Our System
What is the closest planet to our sun?
Mercury
Why do stars shine?
Nuclear Fusion
The big bang has no evidence. True or False?
False
Stars can live forever. True or False?
False
How many of our solar system's planets are gas giants?
4
What two elements is the universe mostly made out of?
Hydrogen and Helium
Name one piece of evidence of the Big Bang.
Redshift, Abundance of Elements, Age of stars, Hubbles law, or Cosmic Background Radiation.
All properties of stars are determined by what?
Mass
The gas giant's amount of moons is constantly changing. True or False?
True
How can we detect a black hole?
The gravitational effects on other objects.
There is radiation left over from Big Bang. True or False?
True
Large stars with high luminosity and low surface temperature are called what?
Red Giants
How many moons does Mars have?
2
Name one of the 5 challenges of exploring space according to NASA.
Hostile/Closed Environment, Lack of Gravity, Distance from Earth, Mental Health, Radiation
What proves the universe is expanding?
What is the name of the gas cloud that can become a star and solar system?
Nebula
The universe contains all matter and energy that will exist now, that existed in the past, and...
In the Future
Where do most geological activities occur at?
Plate Boundaries
About how old is the oldest star?
12 billion years
Our star has different layers of fusion at the core. What layer, inner or outer, is hydrogen fusing at?
The Outer Layer