Space
What does it mean to emit mean?
Give an example
To give off light
Sun
True or false: The moon is the only natural satellite of earth?
True
What way does the earth rotate?
Counter Clockwise
How many official constelations are there?
88
How can we safely look at the sun
Special glasses, welders mask, pinhole camera
Do comets emit or reflect light
reflect
What is a new moon
Moon is directly between earth and the sun, we can not see the moon in this phase.
How long does one Rotation Take?
24 hours
Unofficial star pictures are called what
Asterism
Do direct sunlight rays or indirect cause warmer summer days?
Direct
What is another name for the northern lights?
Aurora
What is waxing?
Changing from new moon to full moon- being able to see more light of the moon
What shape is the earths orbit?
Ellipse
Name 3 constelations
Orion, ursa major, ursa minor, cassiopeia, Hercules, draco, pegasus
What is a meteroid
Piece of asteroid and comets that broke off in Space
What is the summer solstice?
Longest day of the year, earth is tilted towards the sun, lots of sunlight
What are the three main parts of the solar system
sun, moon, planets
What is the difference between the earth rotation and revolution?
The earth rotates on its axis (gives us day and night)
Revolving is the movement around the sun
Put the following in order from smallest to biggest
Solar system, galaxy, earth, sun, universe
Earth, sun, solar system, galaxy, universe
What constelation is the north star (polaris) part of?
Ursa Minor
What is the order of the earth, Sun and Moon during a solar eclipse?
is it the same during a lunar eclipse?
Earth, moon, sun- Sun gets dark
Lunar eclipse is Sun, earth, Moon- Moon gets dark
Why do people only see one side of the moon?
Because of the way the earth revolves around the sun and the moon moves around the earth we always see the same side.
What is an equinox?
The earths equator lines up with the center of the sun so the northern and southern hemispheres get the same amount of light.
What are the 3 circumpolar constelations?
Ursa major, minor and cassiopea
That means they circle the north star, polaris and can be seen year round
How long does it take for earth to travel once around the sun
364 1/4 days