hh_clubs | Astronomy Club: The Dark Matter Mystery RESULTS (Reply)

Activity: The Dark Matter Mystery (Video Questionnaire)
Points: Participation only: 10pts (each question is worth one point).
Ends: Ends 31 Dec 3am UTC (30 December 9pm CST)
Join: If you own a star chart and/or telescope, join the club to get your bonus points.

For the most part you all had everything right. The missing points were due to unfortunate typos.

1. What is the name of the galaxy cluster featured in the video? The Bullet Cluster
2. In the water bucket analogy, what does the water represent? intergalactic gas
3. In the water bucket analogy, what do the balls represent? galaxies
4. What temperature is the gas between galaxies in a typical galaxy cluster? 100 million degrees
5. How long ago did the bullet cluster collision occur? 100 million years ago
6. When astronomers refer to dark matter, what do they mean? Something that does not interact with light in any way.
7. About how much of our Universe is made up by dark matter? about 20%
8. In the picture of the bullet cluster, what shows up as bright red? Intergalactic gas
9. What creates gravity? Matter
10. What has dark matter ever done for us? It holds all the structures in our Universe together so we wouldn't be here without it.

Points:

Gryffindor:
None

Hufflepuff:
bergeronprocess - 10 + 10B
feuerfunke - 10
flipflop_diva - 10 + 10B
flyingharmony - 10 + 10B
nowheretogo26 - 10 + 10B
strawberrysnare - 10
uberniftacular - 10 + 10B

Ravenclaw:
evening12 - 9
kinglii - 10
pinksonia - 10 + 10B
schizophrenic0 - 9 + 10B
storminmay - 10
susako - 10 + 10B
tralfamadore - 10 + 10B

Slytherin:
djmayhem_aubrey - 10 + 10B
mmailliw - 10 + 10B

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TOTAL POINTS:
Gryffindor: 0
Hufflepuff: 120
Ravenclaw: 108
Slytherin: 40

Congrats to Hufflepuff.