The Universe
What is Hubble's Law?
The farther away a galaxy is, the faster it is moving away from us
What are stars formed from?
Nebulae
What is the innermost layer of the Sun?
The core
Which planet appears red?
Mars
What color stars are the hottest?
Blue
What are the two main ideas of the Big Bang Theory?
The universe came from a single point and the universe is continuing to expand
What is apparent brightness?
Brightness of a star as we see it from Earth
What type of reactions are happening in the core of the Sun?
Nuclear fusion reactions
What planet has the Great Red Spot?
Jupiter
What is the difference between a solar eclipse and a lunar eclipse?
Solar eclipse happens when the moon moves between the sun and earth, lunar eclipse happens when the moon moves into earth's shadow
What type of galaxy is the Milky Way?
Barred spiral
What two elements compose stars?
Hydrogen and Helium
Which layer of the Sun is the visible surface?
Photosphere
What are small pieces of debris from other objects that hit Earth's surface?
Meteorites
What makes solar flares dangerous?
They release radiation
What are star systems?
What is an eclipsing binary?
When the dimmer star moves in front of the brighter star in a binary star system
Revolution
What planet has the Great Dark Spot?
Neptune
What two things contribute to the changes in seasons?
Tilt and revolution
What is the difference between heliocentric and geocentric models?
Heliocentric has the sun at the center, geocentric has earth at the center
90% of stars fall into what category?
Protostars
List the 6 layers of the Sun in order
Core, radiation zone, convection zone, photosphere, chromosphere, corona
Where do comets come from?
Oort cloud and Kuiper belt
What is the sun sign of everyone on your team?
Mrs Anderson's is scorpio!