The Universe
What is the universe made up of?
Everything we can see, feel, and things we can't see, including galaxies, stars, planets, and more.
What is Earth's natural satellite?
The Moon.
How many planets are in our solar system?
8
What are groups of stars that form shapes called?
Constellations
What is a lunar month?
The time it takes for the Moon to go through its phases, about 29.5 days.
How old do scientists believe the universe is?
About 13.8 billion years old.
What is the Sun primarily made of?
Hydrogen and helium.
Which planet is known as "Earth's Twin"?
Venus
Which constellation looks like a big spoon?
The Big Dipper
What is the main phase of the Moon when it is completely illuminated?
Full Moon
What is a galaxy?
A huge collection of stars, gas, dust, and dark matter held together by gravity.
What are large bodies that orbit stars called?
Planets
What is the asteroid belt?
A region filled with rocky leftovers between Mars and Jupiter.
What is the name of the constellation known as "The Hunter"?
Orion
Why do we have leap years?
To keep our calendar in line with Earth's journey around the Sun.
What type of galaxy is the Milky Way?
A spiral galaxy.
What do we call the different shapes the Moon goes through?
Lunar Phases
What is the largest planet in our solar system?
Jupiter
What does Cassiopeia look like?
A big W or M
What ancient tool helped people measure time by observing the Moon?
Lunar Calendars
Why is the universe constantly expanding?
Scientists believe it is getting bigger over time, and they are still trying to understand its full size.
Name the tallest mountain on the Moon.
Mons Huygens.
What is a dwarf planet? Name one.
A small planet-like body; Pluto is an example.
Are stars in a constellation close each other?
No, they can be millions of kilometers apart.
How did ancient people track time before clocks?
By counting moon phases