Time journey to Earth in a Spacecraft
Not what you're looking for?
A spacecraft, traveling at a typical attainable speed of about 25,000 kilometers per hour, leaves Earth and travels toward the closest star system to Earth, the Alpha Centauri system. The time for journey would be about how many years?
Purchase this Solution
Solution Summary
The time journey to Earth in a spacecraft is computed. How many years it would take is computed.
Solution Preview
The Alpha Centauri System is composed of 3 stars. The closest, Proxima Centauri, is about 4.2 light years away, but the system as a whole is 4.3 light ...
Purchase this Solution
Free BrainMass Quizzes
The Moon
Test your knowledge of moon phases and movement.
Classical Mechanics
This quiz is designed to test and improve your knowledge on Classical Mechanics.
Variables in Science Experiments
How well do you understand variables? Test your knowledge of independent (manipulated), dependent (responding), and controlled variables with this 10 question quiz.
Introduction to Nanotechnology/Nanomaterials
This quiz is for any area of science. Test yourself to see what knowledge of nanotechnology you have. This content will also make you familiar with basic concepts of nanotechnology.
Basic Physics
This quiz will test your knowledge about basic Physics.