Of these, most people consider theAndromeda Galaxyto be our closest galactic cohabitant. But in truth, Andromeda is the closestspiralgalaxy, and not the closest galaxy by a long shot. This distinction falls to a formation that is actually within the Milky Way itself, a dwarf galaxy that we’...
Although several dozen minor galaxies lie closer to our Milky Way,the Andromeda galaxyis the closest large spiral galaxy to ours. Excluding the Large and Small Magellanic Clouds, visible from Earth's Southern Hemisphere, the Andromeda galaxy is the brightest external galaxy you can see. What is ...
However, its mass is roughly comparable to or even less than that of the Milky Way, according to NASA JPL Scientists think the galaxy could be anywhere from 5 and 10 billion years old. However, it may not have existed in its current form until two or three billion years ago, when two...
The sun is the closest star to the earth. It is at least 4. 5 billion years old. Itis a_16_ of the Milky Way Galaxy(银河系). The sunis important because it gives the 17_ heat and light. It is about 150 million kilometres 18 the earth. On the sun's surface, we cansee st...
UCLA astrophysicists find closest star to supermassive black hole in Milky Way galaxyBy Amina Khan
阅读理解The sun is the closest star to the earth. It is at least 4. 5 billion years old. It is a member of theMilky Way Galaxy. The sun is important because it gives the earth heat and daylight. It is 149 millionkilometers from the earth. On the sun's surface, we can see stron...
the brightest of which gained proper names. Astronomers have assembled star catalogues that identify the known stars and provide standardized stellar designations. However, most of the stars in the Universe, including all stars outside our galaxy, the Milky Way, are invisible to the naked eye fro...
trivia about this star: it was the location of an epic battle on the television series "Star Trek: The Next Generation," where the cyborg-human Borg race and the Federation fought for control of the galaxy. Most Trekkies know the name of this star and what it means to the Trekiverse....
So far, there have been a number of theories as to which planetary bodies may have an atmosphere that can support such life and therefore deserve closer attention. As for places within our own Milky Way Galaxy, it has been assumed over the decades that Mars and Venus, as well as some ...
We don't know much about the possible black holes scattered across in our galaxy — astronomers have only spotted a couple dozen of them to date. But the discovery of this black hole could provide insight into the locations of others hidden in the Milky Way. ...