sun

High-Resolution Images of the Sun Show How Flares Impact the Solar Atmosphere

Solar flares are a fascinating thing and have a profound effect on what astronomers refer to as "space weather." These…

3 weeks ago

Life Might Thrive on the Surface of Earth for an Extra Billion Years

The Sun is midway through its life of fusion. It's about five billion years old, and though its life is…

3 weeks ago

Groundbreaking New Maps of the Sun’s Coronal Magnetic Fields

If you enjoyed this summer's display of aurora borealis, thank the Sun's corona. The corona is the Sun's outer layer…

4 weeks ago

Coronal Loops-Digital Art Combination Captures Power of the Sun, Rendered by Andrew McCarthy

Our Sun is one of the most fascinating objects in the universe and photographing it with specialized equipment to capture…

1 month ago

Why is the Sun’s Corona So Hot? One Hypothesis Down, Many to Go

The temperature of the Sun’s corona is a minimum of 100 times hotter than the Sun’s surface, despite the corona…

2 months ago

Kepler Sketched the Sun in 1607. Astronomers Pinpointed the Solar Cycle

Johannes Kepler is probably most well known for developing the laws of planetary motion. He was also a keen solar…

3 months ago

Solar Flares and Solar Magnetic Reconnection Get New Spotlight in Two Blazing Studies

Two recent studies published in The Astrophysical Journal discuss findings regarding solar flare properties and a new classification index and…

3 months ago

Seeing Both Sides of the Sun at the Same Time

As everybody who saw May's spectacular auroral displays knows, the Sun is in its most active period in 11 years.…

3 months ago

Do We Now Have an Accurate Map of Nearby Stars?

If the Sun has a stellar neighbourhood, it can be usefully defined as a 20 parsec (65 light-years) sphere centred…

4 months ago

Was Earth’s Climate Affected by Interstellar Clouds?

Scientists scour the Earth and the sky for clues to our planet's climate history. Powerful and sustained volcanic eruptions can…

4 months ago