Cosmic Sustainability-Controlling Laws that CANNOT be: Repealed, Amended or Violated! The following Cosmic-Laws are relevant to the Sustainability of Human-Life-Styles and there will never be any coalition-of-humans or other creatures that will be able to Get-Rid-of-Them or be able to Amend-Them or Violate-Them! They were not passed by any legislature or other form of government! No supreme court can rule them UN-CONSITUTIONAL! It is IMPOSSIBLE-to-VIOLATE them, no matter how hard we try to VIOLATE them. They describe much that is reliable in the processes throughout the whole cosmos! 1. The Law of Conservation-of-Energy says that energy may change forms, may travel from place to place, may be concentrated, may be dispersed, but it cannot-ever-be-destroyed. Energy is always "conserved" in the sense that the total amount of energy within any-isolated-volume of space can be changed only by some energy traveling through the boundary that isolates the volume of space. For example the boundary might be an imaginary spherical boundary centered on the center of the earth as it moves through space and entirely enclosing all of earth out to ten earth-radio from the center of the earth. The amount of energy inside that imaginary sphere can change only by energy- entering through the imaginary sphere and/or by energy-exiting through the imaginary-sphere: a. In the form of meteorites, asteroids, space-ships, and other material objects including electrons, protons, neutrons, nuclei, atoms and other sub-molecular particles which when traveling at exceedingly high speeds are called cosmic-rays and are constantly inducing damage in all living creatures in earth upon passing through living tissues as cosmic "bullets". b. In the form of electromagnetic-radiation such as: sun-light, radio-waves, radar-waves, infra-red-rays, ultra-violet-rays, x-rays and gamma-rays. c. In the form of exotic-elementary-particles called: mesons, pions, kayons, baryons, neutrinos, etc. - - - - which come in as cosmic-rays from the outside-cosmos. When the total amount of energy entering is not counter-balanced by energy existing - - - and total amount of "heat-energy" inside of the sphere increases, and we get Global-Warming, Climate-Change, Melting-Ice, Expanding-Oceans, Rising-Oceans, etc. The infra-red-radiation leaving earth is regulated by ice-cover, cloud-cover, and infra-red-reflecting gas-molecules such as molecules of Carbon-Di-Oxide and molecules of water. 2. "Entropy" is a measure of being-out-of-order, disorder, chaos, being-mixed-up, confused, etc. It is a measure of how many different ways the smallest parts of what is in thermodynamic equilibrium in an isolated volume of space; could be shuffled around with no measurable difference in the overall-condition of what is in the volume of space. The Law-of-Entropy says that the amount of Entropy inside of any truly isolated Volume-of-Space can never decrease, it can only increase. The only way that the amount of Entropy inside can decrease is for some Entropy to exit by exiting through some portion of the isolation-boundary; for example in the form of: a. Electromagnetic-Radiation, b. Garbage, c. Trash, d. Mixtures-of-Substances, e. Heat-Energy-Conducted-out, f. Work-Energy Note that the above statement is made in terms of a Volume-of-Space, NOT in terms of a collection of matter as comprising the "Thermodynamic-System". This is done to be relevant to "Space-Ship-Earth" which is not a fixed-collection of material-objects. For more technical information go to the information at the following web-site: Laws-of-Thermodynamics 3. The possibilities and impossibilities of imagined/pictured rocket travel inside and outside of God's-Astronomically-Tiny-Isolated Space-Ship-Earth can be describe in terms of the above two laws which are descriptions of utterly reliable patterns of behaviors in the objective-inter-relationships of parts of the cosmos; with the addition of the law of the conservation of Linear-Momentum. The Linear-Momentum of any moving object or other form of energy is the Product of its mass and its velocity. For further information about this additional law click on the following which offers a comprehensive description of many conservation laws, with the note that the conservation laws are related to symmetries in natural objective realities. All about conservation laws. A Rocket-Ship can speed up, slow-down or change direction of the rocket's motion only by throwing away residual portions of the Rocket-Ship; never to return to the Rocket- Ship. The following hyper-link will present you with an amazingly well written technical analysis of the difficulties of inter-stellar-space-travel. The physics and math is that of a physicist who has mastered the Einstein Equations of Special-Relativity applied to the physics of rocket travel in inter-stellar space! Interstellar-Space-Travel-Realities The above article DOES NOT MENTION THE HAZARDS of traveling in a rocket ship at speeds close to the speed of light. Most of the inter-stellar-dust-clouds would be encountered at speeds approaching close to the speed of light, and SO they would be encountered as very damaging cosmic-radiation which would devastate any living tissues inside of the rocket ship through which the ionizing radiation would pass; unless there was a massive wall of a dense substance like lead or gold at the front of the space-ship. The above article DOES NOT SPELL OUT IN DETAIL THE UNIMAGINABLE INITIAL-SIZE REQUIRED FOR A ROUND-TRIP TO BE MADE! That can be inferred from the equations, however! SO ALSO ONE CAN INFER THE BRIGHTNESS OF THE APPROACHING ROCKET SHIP AS IT APPROACHES ITS DESTINATION SOLAR-SYSTEM. IT WOULD BE NOTICED BY ASTRONOMERS LONG BEFORE ITS ARRIVAL!