What does the Milky Way look like? The Milky Way Galaxy is organized into spiral arms of giant stars that illuminate interstellar gas and dust. The sun is in a finger called the Orion Spur.(Image credit: Hubble Space Telescope) The Milky Way is a relatively thin, flattened disk. This exp...
Have you ever seen 40,000 shooting stars blaze across the sky at the same time? If you'd like to, the European Space Agency (ESA) is offering you two options: Either stare at the night sky for about half a million years as oursolar systemdrifts steadily through theMilky Way(some patie...
What do the stars look like on Mars? What does the Sun look like? How far is Mars from the Sun? Would Mars even be a good place to do amateur astronomy? At first glance the answer to this last question would be a resounding ‘yes’. For a start there are very few cloudy nights ...
Now back in the 1920s, the Hooker telescope was the most powerful telescope in the world. 现在,回到十九世纪二十年代,胡克望远镜是世界上最强大的望远镜。 And through it we could see, see for the first time, that the universe extends far, far beyond the Milky Way galaxy. 通过它,我们第一次...
It's easy to think of maps as sets of visual directions. Whether you're trying to get to the top of Mount Everest or to a friend's new home, a map can help you find your way. But maps can do more than help you figure out where you are and where you're going. They are repre...
What does a spiral galaxy look like? How are irregular galaxies formed? What is Alpha Centauri made of? How did the Andromeda Galaxy form? What is the Chelyabinsk meteor made of? What was Apollo 11 made of? Does the Milky Way have a black hole? What is a redshift galaxy? What was ...
After the first six weeks, breastfed babies can sometimes go for several days between bowel movements. Formula-fed babies may sometimes poop every other day. What does diarrhea look like in babies? Diarrhea is a watery (not just mushy) stool that occurs more frequently than regular poop. It...
The difference between a constellation and a galaxy is that a constellation is a collection of stars that resemble a pattern. Constellations are areas of the sky where we have broken the sky into parts. All the stars in the constellations are withinthe Milky Way. A galaxy is a large collect...
What is at the center of the Milky Way? What is the parallax of Alpha Centauri? What constellation is Betelgeuse in? What is a dark star? What is a boson star? What does the Andromeda Galaxy look like? What is Nikki's constellation?
You may like 'Dark matter is more valuable than gold': Wobbly galaxies help shine a light on the universe's strangest stuff Mysterious phenomenon at the heart of the Milky Way could point to new dark matter suspect. 'We may have been overlooking its subtle chemical effects on the cosmos.'...