Question 29-32 are based on the following passage.
Since 1929, physicists have known that the universe is expanding. Most physicists hold that the entire observable universe was condensed into a tiny area of exceptional density and that this initial mass exploded outward in what is commonly referred to as the "Big Bang". The universe has been expanding steadily ever since this cataclysmic event and most physicists naturally assumed that this expansion must be gradually stowing down. Some theorists even predicted that the gravitational pull of the universe would cause the eventual contraction of the universe—the "Big Crunch." However, in 1998, a team of observers studying supernovae made a shocking discovery. Instead of slowing down, the expansion of the universe is accelerating. In fact, the acceleration appeared to have begun some 10 billion years ago. Later measurements of the cosmic microwave background and a survey of the distribution of galaxies seem to corroborate the initial finding that the expansion of the universe is indeed accelerating.
Cosmologists believe the most likely explanation for the accelerate of the universe's expansion is an entity known as dark energy. According to theory, dark energy should account for approximately two-thirds of the total cosmic energy density. It also is believed to be gravitationally repulsive and diffused throughout the areas of space unoccupied by galaxies. Although theoretically possible, dark energy, if it were found to exist, would provide theorists with a number of difficulties and perhaps even require an extensive rethinking of fundamental physics. Some cosmologists believe that the existence of dark energy implies the existence of subatomic particles more than thirty orders of magnitude smaller than the electron. Others have tinkered with Einstein's theory of relativity in an attempt to account for the perceived effects of dark energy.
Such drastic revisions to long-held tenets have encouraged some physicists to seek a more conventional solution to the accelerating universe enigma, one that does not invoke the specter of dark energy. These theories posit more mundane explanations, such as the aggregate gravitational effect of interstellar dust. Recently, fax independent groups have found evidence of the integrated Sachs-Wolfe effect, a phenomenon linked to the presence of dark energy.
The author of the passage most likely mentions the "evidence of the Sachs-Wolfe effect" in order ....
indicate mounting support for the existence of dark energy
prove that more mundane explanations for the expansion of the universe are incorrect
provide an example of a phenomena that will need to be rethought in light of the existence of dark energy
show that most astronomers accept the existence of dark energy
defend the attempts of more traditional astronomers to explain the universe's accelerating expansion
Mahasiswa/Alumni Universitas Negeri Medan
Jawaban untuk soal ini adalah A.
Soal menanyakan tujuan penulis menyebutkan "Bukti efek Sachs-Wolfe" dalam teks.
Pernyataan tentang "Bukti efek Sachs-Wolfe" ini terdapat pada paragraf terakhir pada kalimat yang berbunyi,"Recently, fax independent groups have found evidence of the integrated Sachs-Wolfe effect, a phenomenon linked to the presence of dark energy" yang artinya "Baru-baru ini, kelompok independen faks telah menemukan bukti efek Sachs-Wolfe yang terintegrasi, sebuah fenomena yang terkait dengan keberadaan energi gelap".
Dari pernyataan tersebut dapat diketahui bahwa efek Sachs-Wolfe mendukung keberadaan energi gelap dan opsi yang sesuai dengan pernyataan ini adalah opsi yang berbunyi,"Indicate mounting support for the existence of dark energy" yang bermakna "Menunjukkan dukungan untuk keberadaan energi gelap".
Jadi, jawaban yang benar adalah A.
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Which of the following, if true, would best support the author of the passage's argument in the third paragraph?
Based on the information in both passages, it can be hypothesized that ....
Ideas in paragraphs 2 and 3 define agroecology as shown in the consecutive relation as ....
Which of the following, if true, would provide the best support for the author of the passage's statements regarding the French Revolution?
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