Dark energy is the name that researchers have given to the unknown force that is counteracting gravity and causing the universe's expansion to accelerate. Like dark matter, it's also invisible to the eye, and affects the large-scale structure of our universe. But at this time, so little is known about the nature of dark energy that it's unclear what kind of relationship it may have with dark matter.
spam fails_task lang_mismatch pii not_appropriate hate_speech sexual_content quality toxicity humor helpfulness creativity violence