1.The first was how humans might be able to detect multiverses.
detect 發現;探測
Radar is used to detect objects in the air or at sea.
雷達被用來探測空中或海上的目標 。
2.This is when our universe suddenly expanded from a tiny point in space into the billions of stars and solar systems we have today.
expand 擴張;膨脹
We have to expand the size of the image.
我們不得不擴大圖像的尺寸 。