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They're back! Pacific Rim Uprising sees more giant robots with humans inside, fighting giant monsters. But does the rocket science add up in this action-packed blockbuster sequel?
Automatic feedback control is what enabled the Falcon Heavy rocket boosters to land. It also drives most of our technology – and even describes the fundamentals of how humans and animals behave.
In the early 20th century a Russian scientist – regarded as the father of rocketry – made some novel predictions on where we would be in space in the 21st century. So how accurate was he?
In the current commercial space race, the idea of reusing rockets is gaining momentum.
To get us to Mars and beyond, a team of students from around the world has a plan involving lunar rovers mining ice and a space station between the Earth and the moon.
Getting to Mars with current rocket technology will use massive amounts of fuel to move very small cargoes. There is a more fuel-efficient way.
Building a tiny starship may be doable. The big challenge will be making sure it survives all the hazards in interstellar space.
Yes, it really is rocket science.
We're on the cusp of being able to consistently launch and land rockets, greatly reducing the cost of space travel. But how long before there's a Millennium Falcon in every garage?
What does it feel like to prepare for a journey to space? Space scientist Monica Grady followed astronaut Tim Peake around for a few days before his launch to find out.
Spaceplanes seem like a great idea – perhaps one that has come too late.
Cheap, affordable space travel would be revolutionary. Chances are, when it comes, it won't rely on the brute force approach of rockets.
Top contributors
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Professor of Planetary and Space Sciences, The Open University
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Ph.D. Candidate in Mechanical and Aerospace Engineering, University of California, Los Angeles
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Professor of Hypersonic Aerodynamics, The University of Queensland
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Alice Gorman is a Friend of The Conversation.
Senior Lecturer in Archaeology and Space Studies, Flinders University
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Spacecraft Engineer, University of Bristol
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Associate Professor, University of Texas Rio Grande Valley
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Postdoctoral Fellow in Aeromechanics, University of Texas at Austin
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Senior Lecturer in Energy, Swansea University
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Reader in Engineering Dynamics and Vibration, University of Cambridge
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Associate Professor, University of Texas Rio Grande Valley
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Professor, Queensland University of Technology
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Ph.D. Student in Aeronautics & Astronautics, University of Tokyo
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Doctoral Candidate in Aeronautical and Astronautical Engineering, University of Tokyo
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Ph.D. Candidate in Public Policy, Pardee RAND Graduate School
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Ph.D. Candidate in Aerospace Engineering, Georgia Institute of Technology
