For Tom thought of the lands beyond his home, a dream of adventure sprung in his mind, to seek the world's unknown in it's waning light, and cross the bridge to another life. So for Tom to embark 'ere adventure await, and his good friend Bob by his fringe, he crossed the last known bridge to the unknown lands, 'ere to quell his spirit of adventure that festers in him. But what lays ahead in these uncharted lands, Tom knew not though freedom reigns, and his spirit moved towards these undying lands, lit by the sun but never trodden, oh that uncharted land beyond that bridge.
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Pls next time complete your question
The correct answer is becoming an astronomy researcher
For starters, it is the only appositive phrase. It is also non-essential because the sentence conveys full meaning even if it was removed.
