Relativity
One Earth year is equal to how many light years?
1
What is electromagnetic radiation?
light energy
What color light moves towards us? (compressed waves)
blue
blue
A slang term that means someone is lying.
Capping
As we look farther out into space, we are also looking farther back in__________.
time.
What is considered the "unique fingerprint" of a star?
star spectrum
What does red-shifted mean in terms of galaxies?
The galaxy is moving away from you.
What type of star is our sun?
Main sequence star
Which video game became a cultural phenomenon during the COVID-19 pandemic?
Among us
What is an astronomical unit?
distance between the Earth and Sun
What two types of electromagnetic energy have the lowest energy?
radio and microwaves
luminosity
How do stars' luminosity compare with their radii?
The larger a star is, the brighter it is.
Who is the most popular makeup YouTuber right now?
Yuya with 24.8 million followers
How are wavelength and frequency related in a wave?
Inversely.
As frequency increases, wavelength decreases.
As frequency decreases, wavelength increases.
What 2 types of electromagnetic energy have the shortest wavelengths?
Gamma and X-ray
Which telescope type uses mirrors?
Why would the size of a star affect its luminosity?
Larger stars have more fuel (which means it can produce more light.)
What is the most popular manga in the US?
First Piece
(has sold over 516 million copies)
A child is born in the Earth year 2010. You are on an planet that is 28.38 trillion km away from Earth. Looking through a high-powered telescope, you witness the child's 5th birthday party. How old is that child on Earth at the same time you are watching the child's birthday party? FYI-the distance light travels in 1 year is 9.46 trillion km
8 years old
(28.38 trillion km/9.46 trillion km=3 light years. 1 light year=1 earth year. 3+5=8)
What provides protection for us against harmful gamma rays and x-rays?
The Earth's atmosphere
What type of refractor telescope displays the image upside down?
Astronomial or Keplarian
In the stellar classification, which letter is the hottest? For a bonus 100 points, name all 7 letters of the classification system.
O
OBAFGKM
What are the first and last character names of the witches in Hocus Pocus?
Sarah, Mary, and Winifred Sanderson