Robin smiled as Tommy talked excitedly about his science. Definitely reminded him if Tuck. As soon as the stars and the planet came into view he just stood there. Nowhere near Earth. No way to get home. There was a lot to process. It was probably a couple of minutes that he just stood there staring up at the sky.
"No way to get back." It wasn't a question. Maybe they could manage without him. He'd already been presumed dead for two years prior.