science test planets

what are gas giants

gas giant is a large planet mostly composed of helium and hydrogen

examples of gas giant planet

Jupiter

Neptune

Saturn

Uranus

what are terrestrial planets

terrestrial planets are rocky worlds composed for rock, silicate, water and carbon

examples of terrestrial planets

Mercury

Venus

Earth

Mars

Definition of a solistice

A solistice is the tilt os the earth’s axis is most inclined towards or away from the sun.

Equinoxes

Equinoxes is the tilt of the earth’s axis neither inclined towards nor away from the sun.

The tilt of the earth’s axis

The tilt of the earth’s axis is about 23.5 degrees

Phrases of the moon

New moon

Waxing

Crescent

First quarter

Full moon

Waxing gibbous

Waning gibbous

Third quarter

Waning Crescent

How long does the lunar cycle last

The lunar cycle repeats once every month 29.5 days

Difference between lunar and solar eclipse

Lunar eclipse occurs when earth is between the sun and the moon causing darkness in the moon. While solar eclipse occurs when the moon passes between three sun and the earth causing darkness in the earth

What is a white dwarf

A white dwarf is what stars like the sun become after they have exhausted their nuclear fuel

What is a red dwarf

A red dwarf is the smallest kind of star on the main sequence

What is a black dwarf

A black dwarf is a very small cooled remnant of white dwarf that emits no detectable light

A red giant

A red giant forms after a star runs out of hydrogen fuel for nuclear fusion and has began the process of dying

What causes seasons

The earth’s spins axis is tilted with respect to its orbital plane