Radio waves are electromagnetic waves and as such travel at the speed of light. Waves emitted a century ago would be 100 hundred light years away. A light year is the distance light travels in one year. In one year light travels about 5.9 trillion miles. therefore the waves traveled about 590 trillion miles in a century.
Answer:
Neptune
Explanation:
The object, which the researchers have nicknamed Planet Nine, has a mass about 10 times that of Earth and orbits about 20 times farther from the sun on average than does Neptune (which orbits the sun at an average distance of 2.8 billion miles).
Hope this helps! :)
Answer: They originated in Europe after the Middle Ages.
Explanation:
Absolute monarchies arose under the absolute rule of kings. The best example of an absolutist monarchy and rule is France and its King Louis XIV. The king removed all obstacles to have complete control over the state. He surrounded himself with proven and obedient people and thus ensured absolute rule.
An example of a limited monarchy can be found in England. The parliament decides a country in which there is a king but no absolute power, but the country's political situation. A limited monarchy is the British's effort to avoid complete control of one man in the state.
The UK would be the best because they elect an all powerful person, I think.
