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:
IT IS TRUE
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Answer:
There are dried-up riverbeds on Mars.
Explanation:
Now there is some evidence that is known that in Mars there is some water in layers below the soil, that mean that there are some possible storage of water. The life in Earth as we know it, it is possible just with the presence of water, that is the reason of this important knowledge.
In Mars atmosphere is almost carbon dioxide (aprox. 95 %) and just some traces of water, so the main source is located in soil.
Answer:
Explanation:
It is because a hurricane is the most violent storms on earth. People call these storms by other names such as typhoons and cyclones. Owing to the aircraft which flies at 6000 feet above the ocean level,it could be affected by the tidal wind accompanied by the occurrence of the hurricane.
C, because it is bounded to the west by the Black Sea
