I would argue that it is stars as they are not on the earth...
Answer:
Prime Meridian
Explanation:
The most important line of longitude is the Greenwich or Prime Meridian (0°). This line runs through the Greenwich Observatory in London.
<span>Despite its small size, Massachusetts features numerous distinctive regions. The large coastal plain of the Atlantic Ocean in the eastern section of the state contains Greater Boston along with most of the state's population, as well as the distinctive Cape Cod peninsula.</span>
It would sometimes signify the unity of two separate kingdoms