After taking Astro to the vet, it seems this is pretty common in dogs this time of year. This summer, according to the vet, seems to be especially bad due to the dry conditions.
He is a sweet boy who loves to cuddle. He is a bit of a nervous nelly when it comes to unfamiliar noises. When he gets spooked he'll let out a bark or two and run to find his people to make sure everyone's ok