One day, millions of years (1) the future, the Sun (2) going to explode. Unfortunately, we can't prevent this (3) happening and it means that humans won't (4) able to live on Earth anymore. Luckily, we (5) lots of time to prepare (6) it. It's likely (7) this preparation will involve working out how to travel very long distances another through space, and (8) suitable planet to live on. We (9) need a planet that doesn't go round the Sun but orbits another star instead. The nearest one is a (11) — very (10) way away. With the technology we have today, the journey will 50,000 years! If we can discover a way to travel much faster - at just below the speed of light - then the journey will (12) — very quick: only six years! -

evkapop    2   09.02.2022 12:32    9