Astronomy
Name one type of galaxy that doesn’t have a regular shale.
Irregular galaxy
What is the bottom part of a wave called?
A trough.
What is a neap tide?
When there is a lower high tide and a higher low tide. This occurs during the first and last quarter moons.
What is the umbra of an eclipse?
An umbra is the main shadow of the eclipse.
In what solstice is Earth’s rotation axis toward the Sun?
The June Solstice.
Why does it appear that Mars is going backwards through the sky?
Mars is revolving slower than us around the Sun, so when we pass it, it looks it is going backwards because the Earth is revolving at a higher speed.
What is the only wavelength that we can see?
Visible light.
What is a Spring tide?
What are the three celestial bodies that are involved in a eclipse?
The Sun, Moon, and Earth.
How does a reflecting telescope work?
It uses lenses and mirrors to reflect light back into our eyes(the more mirrors there are, the more focused the image is that you see.
What are the three closest planets to the sun.
Mercury, Venus, and then our Earth.
What is the electro-magnetic spectrum
All wavelengths of light that exists.
What is an equinox?
Why does a lunar eclipse change the color of the moon.
When the light passes the Earth gasses in the Earth’s Atmosphere change the color of the light and make a tinted red on the moon.
What is a corona?
The wide outermost layer of a star’s atmosphere.
What is a star’s composition?
It is a combination of helium, hydrogen, and other gases/molecules.
What is the height from the trough to the crest called(crest is the top and trough is the bottom)?
Amplitude.
What are tides related to?
It is related to the Moon’s and Sun’s gravitational pull on the Earth?
Why do we not always have eclipses?
Because the Earth, Sun, and Moon travel on different axises.
When are we closest to the sun and farthest away from the sun?
July 4th is the farthest and January 3rd is when we are the closest.