Vocab-Label the word
A group of stars that forms a pattern in the sky
Constellation
How long does it take earth to completely orbit around the Sun?
365 days
This astronomer's early model of the solar system showed Earth at the center
Ptolomy
The Sun is of average size and temperature.
True
Define Meteoroid.
Small piece of rock or metal that travels in space around the sun.
Made up of 9 planets that travel around the sun is called
The Solar System
Because they reflect sunlight
The largest planet in our solar system is called
Jupiter
The Sun is hotter than any other star.
False
Define Comet.
A comet is a ball of ice, dust, and gases that travels through space and orbits the sun.
Model
Why is it difficult to see the stars today compared to hundreds of years ago?
Light Pollution
Everything we can touch, feel, sense, measure or detect ( it includes living things, planets, stars, galaxies, dust clouds, light, and even time) is called...
Our solar system is part of the Milky Way Galaxy.
True
Define Light Year.
The distance light travels in one year.
A group of millions of stars, gas, and dust
Galaxy
Its distance from Earth,
it's size,
it's temperature
The objects moving in the sky that ancient people thought were "wandering through the stars" were
planets orbiting the sun
A star's color depends mostly on its central core.
False - temperature
Define Meteorite.
A piece of meteoroid that lands on Earth after passing through the atmosphere.
A rocky object that revolves around the Sun.
Asteroid
Why did the models of the solar systems change over time?
With the development of the telescope, more accurate measurements of night sky objects were possible.
List the planets in order from the Sun
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune and then the possible Planet Nine.
Planets shine because they produce their own light.
Define Meteor.
A bright streak of light that passes through Earth's atmosphere.