How many atoms are in the average cubic square of interstellar space?

Answer 1

Layla Anderson

1/4 or 0.25 atoms/ #m^3#

Interstellar space contains about 0.25 atoms per cubic meter, according to calculations.

Atom mass divided by number of atoms in a cubic meter equals the universe's density.

Density of the Universe = 5 x #10^-28# kg/ #m^3# Mass of an atom = 2 x #10^-27# kg

No. of atoms/ cubic meter = 5 x #10^-28#/ 2 x #10^-27#

No. of atoms/ cubic meter = 1/4 or 0.25 atoms/ #m^3#

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Answer 2

Olivia Aldridge

The number of atoms in the average cubic square of interstellar space can vary widely depending on the location and conditions, but it's typically estimated to be around 1 atom per cubic centimeter.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.