I'm Clara Moskowitz and this is Science, Quickly.

I'm here in south Texas hoping to catch a glimpse of the eclipse this afternoon.

The feeling of a total solar eclipse is intense, and the sights, sensations and emotions can overwhelm you even if you think you know what's coming.

And so I sat down with Kate Russo, a psychologist, author and eclipse chaser, who's seen 13 total solar eclipses over the last 25 years, to talk about what to expect.

She explains the experience of an eclipse in 4 minutes and 25 seconds.

The exact length of totality here where we are in Texas.

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I started chasing eclipses in 1999, and since I became so obsessed with them, I've tried to see every single one that I can.

A total solar eclipse happens once in every 18 months somewhere around the world--we have to chase them.

And so I try and get into the path every single time.