How many galaxies are there?Bruce FitzGerald
Webb's powerful mirrors will allow scientists to look at galaxy formation — including the role of dark matter — up close. While this investigation doesn't directly answer how many galaxies there are in the universe, it does help scientists better understand the processes behind the galaxies we...
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Astronomers do not know how many galaxies there are, but it is thought that there is millions orABCDperhaps billions. 相关知识点: 试题来源: 解析 B 原句中“there is millions”存在主谓一致问题。“millions”为复数,谓语动词应使用复数形式“are”,因此错误部分为“there is”(选项B)。其他选项(A...
There are many types of galaxies spanning all sorts of shapes and sizes. We know that they're very old and formed early in the evolution of the universe. Yet how they formed and evolved into their various shapes remains a mystery. When astronomers look into the deepest reaches of the unive...
How many galaxies are there in the universe 2021? To do that, they take very detailed pictures of small parts of the sky and count all the galaxies they see in those pictures. That number is then multiplied by the number of pictures needed to photograph the whole sky. The answer: There...
—How many galaxies are there? —Will our solar system survive the death of our sun? Eventually, time will do its work. Galaxies are remarkably stable; many have existed for well over 10 billion years. But nothing lasts forever. Far, far into the future, when the universe is many times...
Do you know how many stars there are in the universe? The answer is MANY! Our sun is one of about 100 billion stars in our galaxy, the Milky Way. But the Milky Way is just one of billions of galaxies that we know about! Some other scientists say there are 2,000,000,000,000,000...
Where are newly formed stars found in a spiral galaxy? How old is the oldest meteorite? How old is Arcturus? How many light years away is the Andromeda Galaxy? How old is the Kuiper belt? What do irregular galaxies look like? How many long period comets are in the Oort cloud?
—How many times has the sun traveled around the Milky Way? "Satellite galaxies are gravitationally bound to the Milky Way," Graur said. "The Milky Way keeps pulling on them gravitationally. Slowly, it pulls them in. And as it pulls them in, it starts to tear them apart and consume the...