Astronomy General
Sun centered model of the solar system
What is heliocentric?
Current theory for the creation of the moon
What is a collision?
The Sun's two most abundant elements
What are Hydrogen and Helium?
The four inner planets
What are Mercury, Venus, Earth and Mars?
A star is born in a stellar nursery called
What is a nebula?
Earth centered model of the solar system
What is geocentric?
Lighter, older regions on the moon
What are Highlands?
The Sun has over _____ % of the mass of the solar system
What is 99%
The four outer Planets
What are Jupiter, Saturn, Uranus and Neptune?
A low mass star will turn into a _________ before it dies
What is a Red Giant?
First stronomer to use a telescope to look at the sky
Who is Galileo?
Darker younger regions on the moon
What are Maria?
Where energy is created in the Sun
What is the core?
The largest planet
What is Jupiter?
A low mass star will expel its outer atmosphere as a
What is a planetary nebula?
Motion of a planet turning on its axis
What is rotation?
Phase of the moon a lunar eclipse can occur
What is a Full Moon?
The surface of the Sun
What is the Photosphere?
The smallest planet
What is Mercury?
A high mass star will end its life with a
What is a supernova?
Why the Earth has seasons
What is the axial tilt?
Phase of the moon when it can't be seen
What is a New moon?
The Sun's solar cycle is ______ years long.
What is 11 years?
Pluto is now considered a
What is a Dwarf Planet?
A high mass star will end its life as a __________ or a ___________.
What is a Neutron Star or Black Hole?