Cosmos questions. first to answer all get ten easy points?

Question

1. Approximately, only_____% of all matter in the universe has been mapped.

2. Which is in higher orbit, Chandra or Hubble?

3.Approximately how many galaxies are in our local group?

Answer 1

1.  As the universe is infinitely large, any amount mapped would inevitably be infinitely small.

2.  Chandra

3.  About 15

Answer 2

Do your own homework.

BTW, at least one of the above answers is wrong.  You'd better look them up.

:-)

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Answer 3

1. 80-85

2. chandra

3. 25