Super-Earths are earthlike planets where life is possible
Indicate whether the statement is true or false
FALSE
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Once a star ejects a planetary nebula, it becomes a white dwarf
Indicate whether the statement is true or false
Assuming all the atoms exhaled by Julius Caesar in his last dying breath are still in the atmosphere, we breathe in at least one of them each
A) single breath. B) day. C) month. D) ten years. E) can't say for some people breathe a few of Caesar's atoms daily, while others never.
About how many stars can be seen from somewhere on Earth with the naked eye?
A) 600 B) 6,000 C) 600,000 D) 6,000,000 E) Uncountably many
At a given location the direction of the magnetic field is the direction that the north pole of a compass points when placed at that location
Indicate whether the statement is true or false