Recent content by AthenaM

Yes, I'm fully aware that spacecraft , or for that matter, anything with positive mass cannot travel at anything like c. It's why I used the word "hypothetical" I also have a reasonable understanding of the reasons why not too! I would be very interested to learn the reasons why a...

Apologies in advance if this question is either stupid or has been asked frequently. I have googled and googled but cannot find a answer. Special relativity says that when a body accelerates its mass increases and its length decreases. This continues until the body approaches the speed of...