Any form of communication might work, if they are close by. Radio if they are at a distance.
They used African methods of farmng
Extraterrestrial life refers to the hypothetical existence of organisms or forms of life that originate outside of Earth. It suggests the possibility of life existing in other planets, moons, or celestial bodies within our universe. The search for extraterrestrial life is an active field of scientific research.
The Churmash had a well developed spoken language they used to communicate. Also they had music and rock art which can be considered as methods of communication
The Churmash had a well developed spoken language they used to communicate. Also they had music and rock art which can be considered as methods of communication
Well, not recently, but there is evidence that there used to be life on Mars. Satellites were sent near that planet and the satellite captured pictures of frozen lakes and oceans with parts of "ExtraTerrestrial" life. I hope that answers your question. P.S. I put some websites for you to look at! :) http://www.dailymail.co.uk/news/article-509693/Life-Mars-Amazing-photos-Nasa-probe-reveal-mystery-figure-Red-Planet.html
In some top secret files of the government, it said extraterrestrial life had apparentyle used some kind of weapon or something that caused the Columbia to offbalance on orbit
People used the pony express to communicate from large distances before the telegraph.
Scientists first create an hypothesis. They develop methods to prove their hypothesis. In order for other scientists to replicate the findings and prove or disprove another scientist's outcome, the original scientist MUST describe the methods used and the findings.
Meteoroids are small, solid, extraterrestrial bodies that hits the earth's atmosphere.
if you keep a monitored record of the last times it erupted.
Robert Owen used social methods to improve American life. He instated a minimum work age, reduced the number of hours anyone could work, and improved education for all.
what cooking methods are used for crepes