Technology can only go so far in making sense of our vast and intricate atmosphere.
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Articles on Sun
Displaying 101 - 120 of 155 articles
A gardening expert reveals the simple things you can do to protect your garden during a heatwave.
The wired Earth of the 21st century is at the mercy of the volatile nature of the sun.
Cosmic radiation is much higher today than it was during the Apollo era.
When and where you see the Moon in the daytime depends on what phase it is in.
Whenever summer rolls around, it’s easy to forget the basics of sunscreen. How long should I wait after applying it to go in the sun, and how long can I stay in the sun with it on?
A solar day is a measure of how long it takes the Earth to rotate from one noon to the next, and today’s summer solstice also happens to be the longest solar day of the year.
At a time in the sun’s cycle when space weather experts expect less solar activity, our star is going bonkers with solar flares and coronal mass ejections. What effects will Earth feel?
While we on Earth are familiar with our own star, the Sun, the European Space Agency’s PLATO mission will explore solar systems similar to ours as well as those that are more exotic.
If you’ve ever wondered why you can look at a solar eclipse and why it can harm your eyes, the answer is in the sun’s rays.
The planets closer to the Sun are indeed hotter than the Earth is. But they are still not hot enough to melt the rocks they are made from.
For centuries, scientists have known when and where eclipses will be visible. They pack their bags, head for the line of totality and hope for the best – which doesn’t always happen.
Gravity waves recorded in the sun for the first time reveal some interesting facts.
More than 2,000 years ago, the Babylonians understood the cycle of eclipses. They also regarded them as signs that could foretell the death of a king.
An astronomer explains how. why and when eclipses happen, what scientists can learn from them, and what they would look like if you were standing on the Moon.
In five or seven billion years time, the Sun’s life will come to an end. And it will be really spectacular - if you’re watching from far enough away.
Some people think the sky is blue because of sunlight reflected off the ocean and back into the sky. But that’s not the real reason.
The Parker probe will go closer to the sun than any other spacecraft has dared go before – literally touching it.
Energy from the sun’s rays can cause skin damage and cancers. Sunscreens can absorb or reflect the dangerous UV light. Here’s how it works.
Schools need to have a formal policy in place for how to deal with heatwaves effectively and keep children cool and well.
Top contributors
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Senior Curator (Astronomy), Museums Victoria and Honorary Fellow at University of Melbourne, Museums Victoria Research Institute
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Director of the Abrams Planetarium, Michigan State University
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Post Doctoral Research Fellow in Space Science, University of Birmingham
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Senior Lecturer in Physics, Nottingham Trent University
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Associate Professor, RMIT University
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Professor (Astrophysics), University of Southern Queensland
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Teaching Professor, Department of Astronomy & Astrophysics, Penn State
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Reader in Physical Sciences, Aberystwyth University
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Professor (Physics), University of Southern Queensland
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University Distinguished Professor of Astronomy, University of Arizona
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Adjunct Professor, School of Psychology, Curtin University and College of Health and Medicine, Australian National University
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Head, Department of Medicine, School of Clinical Sciences; Professor of Medicine, Monash University
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Professor of Dermatology, The University of Queensland
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Chief Specialist Scientist (Public Health), South African Medical Research Council
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Professor of Physics, UCL
