Since autumn is here, some facts about rain would be welcomed. It’s the perfect time to stare through the window and drink a mug of warm tea. Here are 5 amazing facts about rain, that you probably didn’t know.

1. The scent of dry earth after rain is called petrichor

You know that fresh, peceful scent that you can smell after the rain stops? It actually has a name: petrichor. But it’s not rain’s scent, it’s actually earth’s scent. According to livescience.com, petrichor is a chemical reaction between the oils that are secreted by plants during dry periods, the bacterias that come to the surface of the ground when it rains, and of course, rain drops.

2. Why is rain making us feel peaceful?

There is a scientific & historical explanation why we love rain & its scent: It’s all about the past. Long time ago, human kind’s survival was depending on the existence of the rain. Apparently, somehow we kept that relaxing feeling that relates to rain throughout our evolution.

3. Rainbows without rain

You can see some optical phenomenons that look very similar with rainbows during night or without rain.

The white rainbow can be see during night thanks to the moon light. We see it white because our eyes aren’t able to distinguish colours without day light, weatherscapes says. Also the halos (rainbows without rain) are the results of the ice crystals in the atmosphere, so there’s still water there, but in different form.

4. There can be rain and sun at the same time

The sunshower is the meteorological phenomenon when it rains while it’s sunny. The phenomenon is associate with evil spirits in lots of cultures due to the damage that this phenomenon can bring to the plants.

5. Dry areas are more exposed to acid rain

Dry areas which have deserts or not that much vegetation are more likely to be harmed by the acid rain. The vegetation can absorb some of the harmful elements of the acid rain, so the areas which are poor regarding vegetation are most likely to suffer more.

What facts about rain do you know?