Isaac Newton (died 1727) predates these developments and did not conceive of black holes. 4. The terms "Event Horizon", "Singularity" "String Theory" and Standard Model" are seen in the news sometimes in the context of ______.

- Event Horizon A boundary in spacetime beyond which events cannot affect an outside observer, commonly associated with black holes. - Singularity A point where a property is infinite, often used to describe the center of a black hole or the state of the universe at the Big Bang. - String Theory A theoretical framework in physics that postulates that the fundamental constituents of the universe are one-dimensional "strings" rather than point-like particles. - Standard Model The theory describing the fundamental particles and forces (excluding gravity) that make up the universe.