Authors: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

If you're going to lead a space frontier, it has to be government; it'll never be private enterprise. Because the space frontier is dangerous, and it's expensive, and it has unquantified risks. And under those conditions, you cannot establish a capital-market evaluation of that enterprise. You can't get investors.

Neil deGrasse Tyson