Ask Ethan: Do gravitons need to exist?Gravity's nature as a quantum force is questioned due to its classical description in general relativity, especially regarding the existence of gravitons.
Could dark matter be the same thing as dark energy?Theories and observations must align to deepen our understanding of the Universe, especially concerning dark matter and dark energy.
Ask Ethan: Is Earth the center of the Universe?The Universe is isotropic and homogeneous, challenging the idea of a central location like Earth.
Could dark matter be the same thing as dark energy?Theories and observations must align to deepen our understanding of the Universe, especially concerning dark matter and dark energy.
Ask Ethan: Is Earth the center of the Universe?The Universe is isotropic and homogeneous, challenging the idea of a central location like Earth.