Judged by viewers post 2001, post Star Wars, post War of the Worlds, even post Star Trek, of course this movie will get bad reviews, for unscientific plot holes, for poor special effects, for bad acting, for dumb costumes, for simplistic sets, even for Black and White filming.
But this was made in 1961! Seen as a moment in the history and evolution of Sci Fi on film, it's a great way to spend some time. It's available as a free legal download too. Go to www.archive.org and check under Feature Films to find the movie available as part 1 and part 2.
The captain's tape recorders anticipate Kirk's "Captain's log". The cheap special effects had to be inspirational to the makers of Dr. Who. And it's a pleasure to have to use your imagination instead of having to be spoon fed with spectacular special effects.
To hate this movie is to hate a jazz 1940s jazz piece because they used acoustic instruments instead of synths and cut to vinyl instead of digital to CD. Look beyond the limitations of the error to the art, and you'll find a 5 out of 10, not a 1. As the co-pilot said....