From the Ted Talk by Lucianne Walkowicz: Let's not use Mars as a backup planet
Unscramble the Blue Letters
But the goals of interplanetary exploration and planetary preservation are not opposed to one another. No, they're in fact two sides of the same goal: to understand, preserve and improve life into the future. The extreme enmnrneovtis of our own world are alien vistas. They're just csoelr to home. If we can urstaednnd how to cartee and maintain habitable spaces out of hostile, inhospitable spaces here on Earth, perhaps we can meet the needs of both psenriervg our own environment and moving beyond it.
Open Cloze
But the goals of interplanetary exploration and planetary preservation are not opposed to one another. No, they're in fact two sides of the same goal: to understand, preserve and improve life into the future. The extreme ____________ of our own world are alien vistas. They're just ______ to home. If we can __________ how to ______ and maintain habitable spaces out of hostile, inhospitable spaces here on Earth, perhaps we can meet the needs of both __________ our own environment and moving beyond it.
Solution
create
closer
preserving
environments
understand
Original Text
But the goals of interplanetary exploration and planetary preservation are not opposed to one another. No, they're in fact two sides of the same goal: to understand, preserve and improve life into the future. The extreme environments of our own world are alien vistas. They're just closer to home. If we can understand how to create and maintain habitable spaces out of hostile, inhospitable spaces here on Earth, perhaps we can meet the needs of both preserving our own environment and moving beyond it.