The 4th planet from the Sun
What is Mars
This is a thing that revolves around a planet
What is a (natural) satellite
This is what a star goes through from beginning to the end of its life
Star cycle
The current theory that our universe was formed in an instant over 13.8 billion years ago
BBT
Name 2 of the 4 terrestrial planets
Mercury, Venus, Earth, Mars
It takes 365 days for Earth to:
Revolve around the Sun
How many high and low tides do we have a day?
2 of each
This is the part of the sun's atmosphere that is visible during a solar eclipse
What is the corona?
What was the first element formed after the Big Bang?
Hydrogen
What types of tides have extremely high highs and extremely low lows?
Spring tides
The visible surface of the sun
Photosphere
Name 1 of the 3 pieces of evidence that we have to support BBT
1. Expanding universe
2. Redshift and blueshift
3. Cosmic background radiation
Outer planets are made of
What is gas
What are the longest and shortest days of the year?
Summer and winter solstice
What type of eclipse happens during a full moon only?
Lunar eclipse
Areas of cooler gases on the sun
Sunspots
What color do stars look from Earth if they are moving AWAY from us?
They are redshifted
Why isn't Pluto classified as a planet anymore?
It does not have its own independent orbit around the sun
What days of the year are considered "equal night" or are 12 hours of daylight followed by 12 hours of darkness?
Spring and fall equinox
During a total solar eclipse, we need to be under the moon's _________ to see the full eclipse.
What will happen to our Sun when it dies?
It will become a white dwarf and then a black dwarf
This is the energy left over by the Big Bang that can be detected with infrared radiation
Cosmic Background Radiation