Synopsis

We’ve walked on the moon and sent probes to explore worlds hundreds of millions of miles distant. Yet, when it comes to venturing beyond Earth, we are only beginning. Of the many launches we have undertaken, remarkably few have actually escaped our planet's gravity. What, then, is holding us back? Primarily, simply escaping Earth presents a monumental challenge. To reach space requires incredible speed and altitude. Consider just how demanding and intricate future space travel promises to be.