Yanni stumbled upon an oasis.

The crater was a possible oasis in its distant past.

Tom found an oasis.

I have a dream that one day even the state of Mississippi, a state sweltering with the heat of injustice, sweltering with the heat of oppression, will be transformed into an oasis of freedom and justice.

Earth is our oasis.

Islamist terrorists in the region don't want Algeria to be an oasis of freedom and safety.

As scientists learn about our neighboring worlds, they realize how forbidding these places can be. They also document how wonderful our Earth is and how accommodating it is for life. Earth is our oasis in space.

There is an oasis in the desert.

Earth is our oasis in space.

How many palm trees are there in this oasis?