Close to Critical

Name: Close to Critical
Author: Hal Clement

by Hal Clement

Explorers risk death studying planet with crushing atmospheric pressure and alien life

Find on Amazon

About the author

Hal Clement

Hal Clement was an American science fiction author and champion of hard SF, renowned for his meticulous scientific accuracy. Mission of Gravity depicts a world with extreme gravity variation across its surface with extraordinary physical rigor. He challenged readers to find scientific errors in his fiction, rarely if ever successfully.

More by Hal Clement

Mission of GravityExplorer navigates planet of extreme gravity solving mysteries and proving adaptability
NeedleMicroscopic alien intelligence hunts through Earth's atmosphere seeking its original host
IceworldMerchants stranded on frozen planet must understand alien culture and extreme environment
Star LightScientist races through binary star system seeking advanced alien technology and knowledge