Mars Astronauts

How long will it take to fly to Mars?

Until flying through the Sun becomes a reality, it will take humans between six and ten months to reach Mars. The exact travel time depends on...

Will a tire lose air if the valve cap is missing?

The short answer to the question is, not immediately. Also, it won't directly be because the valve cap is missing.This cap is actually called...

Why is hydrogen peroxide sold in brown bottles?

Hydrogen Peroxide is sold in brown (or dark) bottles because it can decompose into water if it's exposed to light. Opaque bottles keep the...
Red Blood Cells

How much blood do humans have?

The average adult has about 1.2 to 1.5 gallons (4.5 to 5.7 liters) of blood circulating inside their body. To put this into perspective,...
Kola Superdeep Borehole

What is the deepest hole in the world?

The Kola Superdeep Borehole is the deepest hole in the world as of January 2109.In 1970, Soviet scientists began drilling the Kola Superdeep Borehole in Murmansk...

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