physics planets

What causes orbits in space?

Orbits happen when gravity and an object's sideways speed balance each other. Gravity pulls the object in, but its speed keeps it from falling into the sun. Slowing down or more gravity can cause it to fall towards the sun.

What happens to planets in elliptical orbits when close to the Sun?

They speed up.

What happens to planets in elliptical orbits when far from the Sun?

They slow down.

During the Summer Solstice, how does Earth's axis tilt in relation to the Sun?

It tilts toward the Sun.

What is an effect of the Sun hitting Earth directly during the Summer Solstice?

Sunlight is warmer and days are longer.

What is the shortest day of the year called?

Winter Solstice.

During the Winter Solstice, how does Earth's axis tilt in relation to the Sun?

It tilts away from the Sun.

What happens to sunlight during the Winter Solstice?

It hits at a slant, making it weaker and colder.

What is an Equinox?

A time when day and night are exactly 12