This person studies stars, planets, and galaxies.
Astronomer
This is a world that goes around a star, like Earth.
planet
Which word is about the smallest life in the sea?
chemical
plankton
alien
The alien left green _______ on the spaceship wall!
juice
fingerprints
teeming
plant
This is when something is full of life and movement, like a busy jungle.
teeming
What might aliens leave behind?
scientists
fingerprints
planets
This scientist studies the universe and space
Astrophysicist
Scientists think this new _______ might have life on it.
ocean
car
planet
people
This is a creature from another planet.
Alien
The ocean is _______ with plankton.
world
teeming
planet
scientist
Earth is the only known _______ planet right now.
ocean
habitable
teeming
planet