What was the first planet created in the solar system? (Sorry I can't give much points).
Extra Question: by the way - what subject has to do with the solar system?

Amplitude is a measure of a waves a; speed b; distance c; energy d; frequency

The seven sisters, seven stars located more than 400 light-years away in the taurus constellation can be seen here with venus and another constellation, orion. the seven stars stay grouped together but seem to move, like the planet venus. why do stars seem to move like planets in the night sky?

Suppose you increase your walking speed from 7 m/s to 13 m/s in a period of 2 s. what is your acceleration?