meteors
what is a meteor
small pieces of matter that enter the earth's atmosphere .
planets orbit is held by what
gravity
why do volcanoes erupt
Volcanoes erupt when molten rock called magma rises to the surface.
what makes a dwarf planet a dwarf planet?
a dwarf planet is a celestial body that -orbits the sun, has enough mass to assume a nearly round shape,
what is a meteor sometimes called
shooting star
The force of gravity between two objects depends on what.
Mass and distance.
why does it hail
when carry water droplets well above the freezing level. or frozen rain
what was the first dwarf planet
Ceres
what were ancient meteorites used for
used to determine the age of the solar system.
what are Asteroids
Small rocky body not massive enough to be a sphere.
why are plants green
plants are green because they contain a pigment called chlorophyll
is pluto a dwarf planet
Pluto is considered a dwarf planet.
What is the difference between meteors meteorites and meteoroids.
meteor a small body of matter hits the atmosphere.
meteorite A meteorite is a solid piece of debris that hits earth.
meteoroids A meteoroid is a small rocky or metallic body in outer space.
what are comets
Small icy objects that orbit the sun.
what does a.u mean
astronomical units
what's the biggest dwarf planet
pluto
why do meteor showers occur
Meteor showers occur when the earth in its orbit around the Sun passes through debris left over from the disintegration of comets.
The solar system formed approximately how many years ago.
4.6 billion years ago.
why do flowers put of such a pleasant smell
Flowers have unique smells because they attract different pollinators
what is a White dwarf made of
white dwarfs are thought to be made mostly of carbon and oxygen