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Omega Centauri
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18
Why does a thermometer in wind not show a lower temperature than one shielded from it?
11
How long a straw could Superman use?
9
Hydrogen as a fuel in Sun
9
Electrons faster than speed of light
9
Common false beliefs in Physics
7
Body's Electrical Resistance
6
If you stop water from expanding, will its temperature stop rising?
6
Why stay in the car during thunderstorms?
6
Why the distribution of elements on earth?
5
How many times has the “stuff” in our solar system been recycled from previous stars?
5
How fast a (relatively) small black hole will consume the Earth?
5
How long a straw could Superman use?
5
How long does it take an iceberg to melt in the ocean?
5
How efficient is an electric heater?
5
Why can you “suck in” cooked spaghetti?
4
Why do rockets have multiple stages?
4
Why CAN we see the new moon at night?
3
Why is electricity not transmitted wirelessly?
3
Is this a weather phenomenon or an instrumental artifact?
3
Why does energy in earthquake waves seem to go up with the three halves power?
3
Why do white dwarfs shine white?
2
why making a surface “super” smooth increases the coefficient of friction?
2
How is the mechanism of greenhouse gases interacting with IR radiation?
2
Determining Average Tidal Effects
2
Decompressing gas whilst driving a turbine - where does the energy come from?
2
Astronomy: Are any vanished objects visible to the naked eye?
2
Age of the Earth and the star that preceded the Sun
2
Where's the best place to add weight to a Pinewood Derby car?
2
What temperature can you attain with a solar furnace?
2
Will an air-filled tire normally gravitate toward being nitrogen-filled just by refilling with air?
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