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Posted: **Sat Jul 02, 2022 7:02 pm**

: Example 4 The Gas In Intergalactic Space Is Mostly Atomic Hydrogen At A Temperature Of 3 K And A Pressure Of The Order 1 (267.63 KiB) Viewed 59 times

Example #4. The gas in intergalactic space is mostly atomic hydrogen at a temperature of 3 K and a pressure of the order of 10-21 atm. How many hydrogen atoms are there per cubic centimeter? (Note: It is interesting to compare this result with that of the next example, which