Thegalaxyis surrounded by a huge hot-gas halo that is several hundreds of thousands of light-years in diameter. Astronomers estimate that the halo's mass is about the same as that of all the stars in the Milky Way. Many of the Milky Way's stars, however, are tough to view. That is...
So, how many stars are there in space? No one knows for sure. Some astronomers in the European Space Agency', or the ESA, have some estimates (计) about the total number of stars in the universe.The Milky Way' is very important to humans because it is the home galaxy of our Sun...
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 ,000 stars! Largest star in the galaxy The largest ...
The star's core lives on as either a neutron star or a black hole, according to NASA. The last recorded observation of a supernova in the Milky Way was in 1604, yet astronomers estimate that a supernova happens once or twice a century in the galaxy. RELATED MYSTERIES —How long do ...
阅读理解。 Do you know how many stars there are in the universe? The answer is WANY! 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!
Space The Milky Way: Understanding Our Place in the Galaxy Science Dictionary Just How Many Galaxies Are in the Universe? Space After the Sun Dies, It'll Become a Stellar Crystal Space This Brown Dwarf Isn't a 'Failed Star' — It's a Magnetic Powerhouse Space The Largest Star in th...
Are you interested in them? How many galaxies can you name? Researchers have identified two ancient star groups that appear to be among the Milky Way Galaxy’s earliest parts. The groups are named after the Hindu gods Shakti and Shiva. They were discovered using observations from the European...
How many stars are in a spiral galaxy? How big are irregular galaxies? How old is the Sombrero Galaxy? What is the age of the Pleiades star cluster? Are all galaxies spiral? How old are images collected by the Hubble Telescope?
2.What was the earth like in the universe?3.What do we use to work out how far away a star is from the earth?4.How many stars are there in the Milky Way?5.What does "Milky Way" mean in Chinese?第3个 e have light-years `` 答案 1.the sun together with its planets,travels...
Stars that show evidence of this process, called alpha enhancement, are thought to have been part of the original core of the Milky Way; any that deviate from this process might have come from smaller galaxies that merged into the galaxy. How many galaxies coalesced to form the Milky Way?