#sun
5 posts
Inouye Telescope Captures Visible Image of Sun, Revealing Kelvin‑Helmholtz Instability
A new visible-light image from the Inouye Solar Telescope shows the Sun’s surface with city‑size detail, revealing Kelvin‑Helmholtz instability.
Three mind-blowing space facts: lunar dinosaur fossils, planets between Earth and Moon, Sun’s roar
Explore three astonishing space facts: possible dinosaur fossils on the Moon, all planets fitting between Earth and Moon, and the Sun’s deafening roar.
Cosmic Dust and Alfvén Waves: Unraveling the Sun's Coronal Heating Mystery
New research suggests cosmic dust interacting with magnetic waves may explain the Sun's superheated corona. NASA's Parker Solar Probe data hints at this surprising mechanism.
The Summer Solstice Explained: Why June 21 Is the Longest Day
The summer solstice is the longest day of the year in the Northern Hemisphere. Here is the simple astronomy behind it, what actually happens in the sky, and why it matters.
Unveiling the Sun's Fiery Heart: Composition, Fusion, and the Engine of Our Solar System
Explore the Sun's incredible composition, primarily hydrogen and helium, and discover how nuclear fusion in its core powers our entire solar system. Understand the processes that make our star shine.