Stars
What is a star?
A huge ball of matter (gas) that emits energy.
Name 3 phases of the moon.
Full moon, waxing gibbous, half-moon, waxing crescent, new moon, waning crescent, last quarter half-moon, waning gibbous
Name the four gas giants.
Jupiter, Saturn, Uranus, Neptune
What is the geocentric model?
Was to see how earth and planets revolve around the sun.
How many days does it take earth to orbit around the Sun?
365 days
What three factors affect a stars brightness?
Luminosity, distance, size/mass
What are three ways Earth can support life?
Distance, atmosphere, and magnetosphere
Can people grow things on Mars?
Yes
What is the heliocentric model?
Was to see how planets and stars orbit around the sun.
True or false: Venus is the 3rd farthest planet from the Sun?
False
Name four parts of the Sun.
Core, chromosphere, solar flare, moving gasses, corona, sunspot, solar prominence
Non-luminous
Name the coldest planet in our solar system.
Neptune
What is planetary motion?
It was for planets being "discovered" because they did not twinkle.
Is a Meteoroid smaller than Asteroid?
Yes
When a star dies what does it turn into?
Red Giant
What is the distance from the Earth to the moon?
384 400 km
What is Pluto called now?
Dwarf planet
What is retrograde motion?
The backward and looping motion of planets.
What is the atmosphere of Neptune?
Helium, hydrogen, methane
What is the core temperature of the Sun?
What are the moon's effects on the Earth?
Rise and fall of ocean tides.
What is the main difference between an Asteroid and a Comet?
What it's made of.
The belief that everything revolves around the Earth is known as?
The geocentric model
A celestial object that is rocky and makes contact with the Earth's surface is called a?
Meteorite