Tristan Gooley

But the second the moisture levels go up, it's like pinball for the light.

And that's why the more moisture, the more kind of bounces the light is taking, the more the star appears to twinkle or, as the scientists say, scintillate.

Yeah, if we had no atmosphere,

our nearest star, the sun, would appear as white light.

So when we're seeing colours, it's a sign that our atmosphere is filtering out some of the other colours.

And the reason why, as the sun gets lower, we know those sunset colours, we start to see more yellows, oranges and reds, is because the other colours aren't reaching us.

And late in summer, as we reach the harvest season, what happens is we reach a time of year when we have the most particles in the atmosphere.

And they filter out most of the blue end of the spectrum.

So we get much, much deeper reds.

August is an absolute classic there.

And sometimes there'll be other things like there'll be fire events.

So if there's something, you know, if there are forest fires or something like that, you will see notably redder sunsets and sometimes sunrises.

And if there's a lot, if there are a lot of particles in the air, you'll see a tint in the moon as well.

A really sort of seasonal moment for lots of people is seeing the leaves on the ground, brown leaves on the ground.

And it's a good opportunity to appreciate that nothing is random in nature.

So the second the leaves fall onto the ground, they are shepherded by the wind.

Now, if you tune into where the wind's coming from in your part of the world, you'll start to notice these rather beautiful, simple patterns.

Around the base of the tree, let's say your winds come from the west, you'll notice it's clean all around the western side of the tree trunk at the base there.

But on the east side, there's a wind shadow where the wind can't get to.

And that's where the leaves fall out.