Earth-Moon-Sun
How many layers does the Sun have?
6 layers
What planet is the center of our solar system?
The Sun
What is the definition of a constellation?
A group of stars that appear to be together but are not.
What are permineralized remains?
Fossils in which tiny spaces are filled with minerals from ground water
What is the largest time section?
Eons
What is a Coronal Mass Ejection?
Particles that shoot out of the Sun which then causes solar wind
What is different about both inner and outer planets?
Outer planets are gas giants, cold, lots of moons. Inner planets are warm, rocky, and have few moons.
What are circumpdar constellations?
Constellations that can be seen all year long
What are index fossils?
Remains of a species that lived on Earth for a short period of time.
What is the geologic time scale used for?
Scientists mostly use it to describe the events that took place during certain time sections
What is the difference between absolute and apparent magnitude?
Absolute magnitude is how much light is actually given off by a star. Apparent magnitude is how bright a star is depending how far away it is from Earth.
What are dwarf planets?
Orbit the Sun, spherical, does not clear its path.
What does surface temperature mean?
Hottest stars are blue and coolest stars are
What is superposition?
The layers of something stacked onto each other.
What is the smallest time section?
Epochs
How long does it take the Moon to orbit the Sun?
27.3 days
What is a meteorite?
A rock that falls from space and into Earth
What is an irregular galaxy?
A galaxy that has no predictable shape and contains old and new stars
What is relative age?
Rocks age compared to something else
What do these time sections tell us?
How do craters occur?
When meteorites hit the planet and creates an impact.
What is the difference between a Meteoroid and a Meteorite?
A meteoroid is up in the sky and meteorite actually hits the planet's surface
How hot is the Sun's core?
27 million Celsius
Animals tracks or burrows made by other animals/insects
What is the largest time period to the shortest time period on the geologic time scale?
2. Era
3. Periods
4. Epoch
5. Age