Related topics: energy

Did Betelgeuse consume a smaller star?

What's going on with Betelgeuse? In recent years it's generated a lot of headlines as its luminosity has shifted dramatically several times. The red supergiant brightened by almost 50% earlier this year, triggering speculation ...

Better energy harvesting with 'law-breaking' device

If you take an object and set it out in the sun, it will begin to warm up. This is because it is absorbing energy from the sun's rays and converting that energy to heat. If you leave that object outside, it will continue ...

Exploring how we've underestimated Earth's heat storage

The increase in anthropogenic greenhouse gases in the atmosphere prevents the emission of heat into space. As a result, the Earth constantly absorbs more heat through solar radiation than it can give back off through thermal ...

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