Moon
what type of eclipse causes a blood moon
lunar eclipse
how much time does it take for the Earth to make a full revolution around the Sun?
365.25 days.
What is the closest star to us other than the Sun?
Alpha Centauri
What is Apparent brightness?
The brightness of a star seen from Earth.
how often do full eclipses happen in the same place
Once every 300 years
At what degree is the Earth's axis?
23.5
What is the second step in the star cycle?
Proto Star
What is True Brightness?
The actual brightness of a star
what stage is the new moon
1st
How long does it take for the Earth to do a full rotation?
24 Hours.
What makes a Main Sequence star expand a grow into a low mass star?
The core heats up and expands.
True or False:Is the brightness that we see from Earth True Brightness?
false
how long does it take for the moon to rotate around the earth
24 hours
What is the Earth's axis?
It is and imaginary pole that goes through the center of the Earth.
What stage is a Black Hole after?
We use the HRD (Hertzsprung-Russel diagram)
at what angle when the sun and the moon align to create neap tides
90 degrees
The Earth is inside what which is inside what?
Earth-> Solar System-> Orion Arm
Why are Black Holes invisible?
Because light cannot escape from black Holes making it impossible to see
From Earth why are some stars brighter than others?
Because sometimes they are way further than others from Earth