How Big is Space?
All of space. Everything.
The Universe
The center of our Solar System
The Sun
Our Sun is a ____
Star
Direction where the sun sets
West
When you can see the complete moon
Full
A collection of planets that orbit a star
A Solar System
The number of planets
Eight
An equinox
The days where day and night are the same length
The direction where the sun rises
East
When the moon appears to change shape
Phases
A collection of millions of stars
Galaxy
The galaxy where you can find our solar system
The Milky Way
The longest and shortest days of the year
Solstice
The star that doesn't move in the night sky
North Star (Polaris)
Another word that means related to the moon
Lunar
Used to measure distances in space
A light-year
The path that an object takes around a central object
An orbit
Leap year happens every ____ years
Four
The position of the Earth that causes seasons
Tilt (of the axis)
When you can see a small part of the moon
Crescent
93 billion light-years
Planet furthest from the sun
Neptune
The time it takes the Earth to orbit our Sun
365.25 days
The imaginary line that runs through the center of the Earth like a pole
Axis
The phases when the moon is growing larger
Waxing