Answer:
A. They always remain above your horizon.
Explanation:
A circumpolar star is a star that always remains above your horizon.
Our best estimate for the age of the universe is based on what we currently know about the universe's history is 13.772 billion years.
<h3>How to calculate the age of the universe?</h3>
There are two methods by which the scientists calculate the age of the universe:
By searching for the oldest stars
By calculating the rate of expansion of the universe and generalizing back to the Big Bang Theory.
Thus, Our best estimate for the age of the universe is 13.772 billion years.
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Answer:
article one
Explanation:
Article One of the United States Constitution establishes the legislative branch of the federal government, the United States Congress.
The Cultural Revolution<span>, formally the </span>Great Proletarian Cultural Revolution<span>, was a sociopolitical </span>movement<span> that took place in </span>China<span> from 1966 until 1976. Set into motion by </span>Mao Zedong<span>, then </span>Chairman of the Communist Party of China<span>, its stated goal was to preserve 'true' </span>Communist ideology<span> in the country by purging remnants of </span>capitalist<span>and </span>traditional<span> elements from Chinese society, and to re-impose </span>Maoist<span> thought as the </span>dominant ideology<span> within the Party. The Revolution marked the return of Mao Zedong to a position of power after the </span>Great Leap Forward<span>. The movement paralyzed China politically and negatively affected the country's economy and society to a significant degree.</span>
