The Sun | Page 3 of 17 | Astronomy.com

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

Science, Solar System

Rising star in astronomy: Alexander James

Why fusion ignition is being hailed as a major breakthrough in fusion – a nuclear physicist explains