Technically, the sun is a G-type main-sequence star — specifically, a G2V star. The "V" indicates that it is a dwarf, Tony ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. From Earth, the Sun appears comfortingly constant, always just about ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. A solar physicist who developed a model of the Sun’s ...

In a few billion years, our Sun will become so violently hot that it could wipe out all life in the Milky Way. Yet, paradoxically, the same star that could destroy life may also help make distant ...

A Solar and Heliospheric Observatory image shows Region 486 that unleashed a record flare last week (lower left) November 18, 2003 on the sun. The spot itself cannot yet be seen but large, hot, ...

PUNCH Spacecraft Show First Complete Images Of Sun’s Corona And Solar Wind Together In A Nutshell Four suitcase-sized ...

The Sun, a G2V main-sequence star approximately 4.6 billion years old, is currently undergoing hydrogen fusion. Stellar evolution, primarily determined by a star's mass, dictates that the Sun will ...

The sun rises and sets every day. We plan our lives around it. It's ironic, then, that "we know so little about the star at the center of our solar system," says Matina Gkioulidou, a space physicist ...

First, let’s discriminate between expansion and expulsion. Expansion happens because the thermal pressure from the increased energy production in the Sun’s interior exceeds the gravitational force ...

NASA and the European Space Agency's Solar Orbiter spacecraft has sent home the highest resolution images of our sun ever captured. ESA has shared four images of the sun's surface, revealing the ...

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Earlier this year, Earth experienced two geomagnetic storms caused by outbursts of radiation from the Sun, which had an impact on satellites in space and communication systems on the ground. As it ...