Who is sending the tweet? Trustworthy researchers, journalists, and institutions identify themselves. If the account is anonymous and contains no information, you should be suspicious.
There's an empty void in space so big that if you travelled across it you wouldn't bump into anything for
752,536,988 years.
This is a classic bluffing technique that uses improbable precision to appear more credible.
If someone told you, "I drove from Boston to New York in 1.49328546 hours," you'd recognize that the precision is impossible even before you register that the speed is impossible.
NASA
What is the source of the information? If there is no source/link (or a generic ID like "NASA"), that's a red flag. It's also a common tactic in bot accounts that scrape or steal images from the actual creators.
Credit for this tweet analysis goes to user @coreyspowell