The Sun | Page 2 of 16 | Astronomy.com

Solar System, The Sun

When did we realize that Earth orbits the Sun?

Observing, The Sun, Upcoming Events

How to observe the Sun safely during a solar eclipse

Why is the Sun’s corona so hot?

During the dry season at Botswana’s Makgadikgadi salt pan, temperature inversions lead to all manner of mirages.

Observing, The Sun

Secret Sky: Tropical Novaya Zemlya effects

Against a pitch black background, the Sun glows as a bright orange disk speckled with darker regions of sunspots and bright filaments of gas snaking across its surface and off of its edges.

How the Sun will die: This Week in Astronomy with Dave Eicher

The giant sunspot AR 3354 on June 29, 2023.

Secret Sky: Seeing sunspots on paper

A spectacle of sparkling stars and shining planets dance in hues of yellow, orange, and blue, as if creating a painting made by nature during the transition from civil twilight to nautical twilight.

Discover the three kinds of twilight

A composite image of the Sun taken by ASA's Solar Dynamics Observatory.

Science, Solar System

The Sun: Facts, size, and fate of Earth’s blazing star

The Sun provides necessary energy for life on Earth, thanks to its powerful but compact core, which takes up just 1/50 our star’s volume.

Strange Universe: Astounding fundamentals

Solar System, The Sun

The Sun’s death could mean new life in the outer solar system

Telescopes and Equipment

Review: Make Sun-watching a snap

Robotic Spaceflight, The Sun

India’s leap into solar science: The Aditya-L1 mission