The deep the probe goes, the lower the temperature becomes. Therefore, the probe will record temperature lower than 3°C. The figure attached shows the relationship between temperature and depth of water.
I think that is clearly in the name. It will use 850W at 100% load if the cos¿ = 1
The answer is C. my friend.
The correct answer is Solar systems
Astronomy deals with studying the cosmos and everything that encompasses it such as stars, planets, meteors, asteroid, satellites, and similar.