(Found) Book involving teleporting between planets and some far off threat


Oct 7, 2021
Started reading this book years ago, and never finished. Want to go back to it but cannot remember the title. The very beginning starts off with a conventional mission to Mars. Upon arrival of the astronauts a couple college kids open a worm hole to the ship and step through. Book than jumps forward to man having used this tech to colonize star systems. Later.on in book a star system far away is found to have a sphere completely encasing it, and a ship is built to travel to it l, basically skipping. That's most of what I can remember.

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