AoTATX #68 Trivia
Trivia questions for AoTATX #68 Virtual Show!
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1. Which of the following is an Umbrella Term that encompasses the others?
Artificial Intelligence
2. What were the women who started working at Harvard Observatory in 1875 and who helped lay out some of the fundamental assumptions of astronomy called?
Human "Computers"
3. What can the massive and compact objects in X-ray Binaries be?
Black Holes, Pulsars, or Non-Pulsing Neutron Stars
4. One of the most widely used and simplest machine learning algorithms has the acronym KNN which stands for ____
K Nearest Neighbors
5. What causes noise and makes it challenging to discover smaller and smaller planets similar to our earth?
Stellar Activity (Spots)
6. Lyman-alpha photons originate from which of the following elements:
Hydrogen
7. What type of stars are the main source of Lyman-alpha emission?
O & B
8. What units does redshift have?
Trick question! It's unitless
9. Gravitational lensing describes the process where:
the path of light from a distant object is bent by a very massive object's gravitational field.
10.  As a galaxy moves towards us, how does its light appear to us?
Bluer
11. Which stars become white dwarfs?
About 97% of all stars
12. Are binary stars identical or fraternal twins?
Identical
13. What are the axes of a Fourier Transform plot?
Frequency and Amplitude
14. What is K2?
A salvaged Kepler mission beginning in 2014.
15. What is galactic archeology?
The study of the evolution of the Milky Way by measuring the chemical properties of stars.
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