Aquarius on the inside, Taurus on the way in.
Your sun in Aquarius (air, fixed) is the engine — what thinks at the centre, what holds when you are at home in yourself. Your Taurus rising (earth, fixed, ruled by Venus) is the door — the way you arrive in a room, the first read the world takes of you, the body you walk in.
Strangers tend to assume you are steady and grounded — that is the Taurus arriving first. Then they get to know you and discover the Aquarius air underneath, which can be a quiet contrast — grounded surface, mobile core.
Reads as Taurus until you trust them; then Aquarius comes through. The fixed-fixed mix means you consistently holds.