What is the Unit for Gas Giant Planets in Astrophysics?

[Erenjaeger]

what is this unit, ⊕ ?? was reading an astrophysics book and came across it. "Gas Giant planets (>10 M⊕)" I am guessing that its mega something?

 

[BenAS]

what is this unit, ⊕ ?? was reading an astrophysics book and came across it. "Gas Giant planets (>10 M⊕)" I am guessing that its mega something?

Earth masses. So >10 M⊕ is more than 10 Earth masses.

 

[tony873004]

If you see one that is a circle with a dot instead of a plus, that means Sun.