Tag: science & technology

The only star in our galaxy.

Just one of billions of stars that make up our galaxy.

The largest planet in our solar system.

Technically speaking, one of Earth's moons.

Jupiter

The Milky Way

Earth

The sun

It is the only round planet.

It is the only planet with its own moon.

It is the only planet that has enough oxygen in its atmosphere to sustain life.

It is the only ringed planet.

The gases catch fire, making the comet glow.

The ice begins to melt, leaving a trail of gases and debris.

The comet explodes, which is called a supernova.

The comet bounces off the sun’s magnetosphere.

The comet passed by the Earth on a predictable schedule.

The comet passed by the Earth at random intervals.

The comet passed by Earth only once in a million years.

The comet was on a collision course with Earth.

A chunk of comet (rock) that survives our atmosphere and falls to Earth

A meteor that hasn't hit Earth yet

A piece of rock that is in orbit around the Earth

A radioactive moon rock

Without the Earth in orbit, the sun would quickly burn up.

Without the heat and light from the sun, life on Earth will cease.

Without each other, they would both spin out of control.

Without the sun to cool things off, the interior of the Earth would burn up the planet.

Their orbits are perfectly round.

Their orbits are in the shape of a figure eight.

At some point of its orbit, a planet is closer to the sun.

Their orbits change direction from time to time.

The length of time it takes for the moon to travel around the Earth.

The length of time it takes the Earth to rotate once around its axis.

The length of time it takes the Earth to travel once around the sun.

The length of time it takes the sun to rotate once around its axis.

The length of time for the moon to travel once around the Earth.

The length of time for the Earth to rotate once around its axis.

The length of time for the sun to travel once around the Earth.

The length of time for the Earth to travel once around the sun.