PLANETS
STARS
VOCABULARY
SEASONS AND ECLIPSES
SOLAR SYSTEM
100

planet with the shortest year

What is Mercury?

100

stars start forming in this area

What is nebula or Pillars of Creation?

100

a body in space made of dust and ice that forms a tail when it gets close to the sun

What is a comet?

100

when one object moves into the shadow of another object

What is an eclipse?

100

the first four planets from the sun

What are inner planets?

200

the largest planet

What is Jupiter?

200

the force that helps create stars, but also destroys them

What is gravity?

200

a piece of rock from space that hits the earth 

What is a meteorite?

200

during this eclipse, the earth blocks the sunlight from hitting the moon

What is a lunar eclipse?

200

the galaxy our solar system is part of

What is the Milky Way?

300

it separates the inner and outer planets

What is the asteroid belt?

300

this is the middle part of a star's life

What is main sequence?

300

this object is nearly spherical, orbits the sun, but cannot clear its orbit

What is a dwarf planet?

300

during this eclipse, the moon appears to cover the sun

What is a solar eclipse?

300

this caused our solar system to form and holds it together

What is gravity?

400

3rd planet from the sun

What is Earth?

400

our sun will become one of these when it dies

What is a white dwarf?

400

when an object spins on its axis

What is rotation?

400
the tilt of the Earth on its axis causes these to happen

What are seasons?

400

this part of our solar system is about 4.6 billion years old

the sun

500

the mnemonic device used to remember the order of the planets

What is "My very energetic mother just served us nachos"?

500

scientists think this inescapable object is in the center of our galaxy

What is a black hole?

500

when an object moves around another 

What is revolving?

500

these happen in March and September causing equal day and night

What is an equinox?
500

all things that exist are part of this

What is the universe?

M
e
n
u