sun

Features on the Sun's surface, as seen by Solar Orbiter Credit ESA NASA Solar Orbiter EUI Team

The Sun has a fluffy corona

The Sun has a fluffy corona according to the latest images captured by ESA's Solar Orbiter. The hair-like structures are made of charged gas (plasma), following magnetic field lines emerging from the ...

Maypole Dancing

May 1 – Arrival of the Sun l Beltane

May 1 is a day to celebrate the arrival of the Sun in many countries in the north for 2000 years, with dancing around a maypole and Morris Dancing in the UK

Sunlike star with Exoplanet by ESO telescope
Full Sun observation taken on October 12, 2022 by EUI’s Full Sun Imager (FSI) and a zoom on the center of the Sun taken by its High-Resolution Imager (HRI). The white arrow corresponds to a distance of about 10 000 km. Three smaller structures highlighted with red, blue, and green boxes, show magnetic waves that appear as a transverse motion.

What makes the Sun’s atmosphere hotter than its surface?

A joint team of scientists from the Royal Observatory of Belgium (ROB) and KU Leuven have found that high-frequency magnetic waves may play a key role in heating the sun's atmosphere to millions of de...

A rusting, green set of gears known as the Antikythera Mechanism found at the bottom of the ocean aboard a decaying Greek ship it is now acknowledged as the first computer.

This 2,000 year old mechanism is the first computer ever

This 2,000 year old mechanism is the first computer ever and it is known as the Antikythera Mechanism found on an ancient Greek ship in 1901

Earth by Junocam October 2013 during gravity assist flyby. 360 on History

Our planet just just had its shortest day

Our planet just just had its shortest day. It was in June 2022 and was the shortest since accurate daily measurements using atomic clocks began in the 1960s.

Artist’s depiction of VY Canis Majoris. Credit – NASA / ESA / Hubble / R. Humphreys, University of Minnesota / J. Olmsted, STScI.

When the largest star in the Milky Way dies astronomers will be ready

When VY Canis Majoris, largest star in the Milky Way dies, astronomers will be ready to observe its final moments. A new model is also helping to understand its surface.

June Solstice 2022

It’s the June Solstice! Longest day of the year in the Northern Hemisphere and start of summer. It is also the shortest day of the year in the Southern Hemisphere and start of winter. Happy Sols...

Sun Tsunami in 2006 by NSO AURA NSF USAF Research Lab

A Large Tsunami Shock Wave on the Sun

A Large Tsunami Shock Wave on the Sun in 2006 captured by the Optical Solar Patrol Network (OSPAN) telescope in New Mexico, USA.

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