The Solar Sytsem And Beyond Lesson 2 Flashcards
A natural artificial object in space that circles around another object
Satellite
The appearance of the shape of the moon at a particular time
Phase
The regular rise and fall of the water level along a shoreline
Tide
A blocking of the suns light that happens when Earth passes through the moons shadow
Solar eclipse
A situation that occurs when Earth the sun and moon are in a straight line and Earths shadow falls behind the moon.
Lunar eclipse
One of many small rocky objects between Mars and Jupiter
Asteroid
A chunk of rock from space that travels through Earth
Meteor
A mixture of ice frozen gases rock and dust left over from the formation of the solar system
Comet
An object in space that produces its own energy including heat and light
Star
A huge cloud of gas and dust in space that is the first stage of a star formation
Nebula
An object whose gravity is so strong that light cannot escape it
Black hole
The distance light travels in a year
Light year
A star that can no longer turn turn helium into carbon it cools and shrinks becoming very small and dense
White dwarf
Any of the patterns that are formed by a group of stars in the night sky
Constellation
A star that has produced more energy than gravity can hold together and has exploded
Supernova
As the earth revolves around the sun the ??? revolves around the earth
Moon
The moons orbit around the earth takes ???
29 days
??? Phase is when you can’t see the moon at all
New moon
??? Phase is almost a full moon
Gibbous moon
??? Phase is when you see a sliver of the moon
Crescent moon
??? Phase is when you see the moon smaller
Waning
??? Phase is when you see the moon larger
Waxing
The moons gravitational pull causes tides and it happens twice a day the ride and fall of the tides are called a ??? And a ???
Low and high tide
???are small rocky or metallic object that orbits the sun in both the inner and outer regions of the solar system
Meteoroids
??? Is a meteor that hits the earths surface
Meteorites
The head of a comet is made up of a ??? And nucleus
Coma
A ??? Is formed when the heat from the suns rays pushes some of the coma away from the comet
Glowing tail
Stars have different colors occur because of the surface ??? Of each star
Temperature
Suns temperature makes it look ???
Yellow
Cooler stars appear ??? Or ???
Red or orange
Warmer stars appear ??? Or ???
White or blue
The sun is about ??? Years old
5 billion years old
It takes eight minutes for ??? To reach Earth
Light
Astronomers use ??? To describe the great distance between stars
Light years
Constellations are named after ???
Animals and fictional characters
There are ??? Constellations
88
Travelers can use the Big Dipper and the Little Dipper to find ??? Which tells you which direction is north
Polaris and north
The sun contains 99% of the solar system’s ???
Mass
92% of the sun is made up of ??? Gas
Hydrogen
??? Are the sudden releases of energy from the suns atmosphere
Solar flares
