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cpfc | 20:06 Wed 24th Jun 2009 | Quizzes & Puzzles
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1/ what is the one-way surface of a black hole called

2/ what name is given to the units used to measure the purity of gold in alloys

3/ what is the name of the mechanical device that shows the movement of planets and moons in our solar systems
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2. Carat?
1. Wikipedia says 'event horizon'
how many letters and do you have any placed?
3. Orrery
Question Author
Thank you to you both and wallacia ive no letters in and dont no how many letters
fair comment.

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