Solar sails for the near term: https://youtu.be/NQFqDKRAROI?si=AzuL-NZ6JYJ71Rpj&t=883 https://youtu.be/NQFqDKRAROI?si=AzuL-NZ6JYJ71Rpj&t=883 ...which might ge

Solar sails for the near term: https://youtu.be/NQFqDKRAROI?si=AzuL-NZ6JYJ71Rpj&t=883 https://youtu.be/NQFqDKRAROI?si=AzuL-NZ6JYJ71Rpj&t=883 ...which might get up to 22 AU per year. And then in the future: laser-pushed light sails: https://ia800108.us.archive.org/view_archive.php?archive=/24/items/wikipedia-scholarly-sources-corpus/10.2514.zip&file=10.2514%252F3.8632.pdf https://ia800108.us.archive.org/view_archive.php?archive=/24...