6. How many ___ have we found so far? (galaxy) 答案 【答案】galaxies【核心短语/词汇】so far:到目前为止【翻译】到目前为止我们发现了多少星系?【解析】galaxy n. 星系;how many后接复数名词;galaxy的复数形式是galaxies。因此答案是galaxies。相关推荐 16. How many ___ have we found so far? (ga...
So, how many galaxies are in the universe? In this article, we'll find out how galaxies were discovered and what types exist, what they're made of, their internal structures, how they form and evolve, how they're distributed across the universe, and how active galaxies might emit...
Before attempting to put a figure on the number of galaxies in the universe, we must first agree what we mean by a "galaxy" and how to define the boundaries of the universe. Traditionally, a galaxy is considered to be a large gravitationally bound cluster of stars and interstellar matter,...
二、用所给单词的适当形式填空。1. Scientists have ___(discover) many other galaxies.2. How much ___ y
This picture depicts the spread of cosmic microwave background radiation, beginning with the universe just after the big bang (left), spreading through the universe's many galaxies, clusters and voids (center), and ending with a recent CMB map. In the giant void, the WMAP satellite (top lef...
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But how many satellite galaxies does theMilky Wayhave? The count is continually changing as new telescopes and sky surveys reveal ever-fainter galaxies. But let's start with the ones we can see easily. Two of Milky Way's prominent satellite galaxies are the Large Magellanic Cloud and the Sma...
Galaxies: StarburstInfrared: GalaxiesGalaxies: Quasars: GeneralAuthor(s): Andreani, P; Spinoglio, L; Malkan, MA | Abstract: Averaged spectral energy distributions (SEDs) of active and starburst galaxies, from the 12 渭m sample in the local universe, and QSOs, from an optically selected ...
The vastness of space is often romanticized in sci-fi tales, with depictions of interstellar journeys and distant galaxies. However, closer to home, we find a more sobering narrative. Our planet’s history is punctuated by violent encounters with rogue space rocks, and every so often, the cos...
A century ago, Edwin Hubble revolutionized our understanding of the universe by proving that theMilky Wayis just one of many galaxies in an ever-expanding cosmos. This breakthrough led to the discovery of the universe’s vast scale and its continuous expansion, challenging our perceptions and dee...