Scientists are thinking about how to dim the sun. ☀️
- Alex Verb
- Oct 31, 2025
- 1 min read

Scientists are starting to talk about a cool idea — making the sun a bit dimmer so the Earth doesn’t get too hot. This is called "stratospheric aerosol injection." But a team from Columbia University says it’s not as easy as it sounds! For example, imagine trying to cover the sun with a big umbrella — it could cause weird rain and shortages of some materials. 🌧️
Also, if we try to do this, there might be problems with some technologies we use every day. For instance, when we look at our phone screen, sunlight helps us see better. If the sun gets dimmer, it might be harder to see our screens. 📱
So, scientists realize that even the best ideas can lead to unexpected problems. That’s why they need to be careful and think about how it will affect all of us! 🤔
❓ What do you think will happen if the sun gets dimmer?



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