Cruithne, used to be asteroid 3753 until 1997
the earth;s companion is the moon no doubt
Nothing is known about any companion star. There is a "Nemesis hypothesis", according to which there could be one, but no companion has been confirmed.
Companion Khalid Al-Waleed
There are two major known types of companion flanges. The internal and external pilots which are a type ''S'' and '' A'' respectively.
dogsdown. colloquially known as mustard.
Is mars known as earths sister planet
Venus is known as Earth's sister planet.
It is Venus.
The driest regions on earth are known as deserts.
False
The "crust" or biosphere
the mantle also known as the athenosphere the crust is also known as the lithosphere