Space stars galaxy. Our galaxy the milky way also has a supermassive black hole in the middle. Galaxies are sprawling space systems composed of dust gas and countless stars. Of the roughly 10000 stars visible to the naked eye only a few hundred have been given proper names in the history of astronomy. Many galaxies are thought to have supermassive black holes at their centers.
We ask the worlds leading space scientists what we might find if we travel to a neighboring star system. Stars are grouped together in gigantic spinning collections called galaxies. Galaxies are categorized according to their visual morphology as elliptical spiral or irregular. The number of galaxies cannot be countedthe observable universe alone may contain 100 billion.
The pistol star is a blue hypergiant and is one of the most luminous known stars in the milky way galaxy. Astronomers are learning that in some regions of our galaxy stars have clumped into features that resemble ones on earth streams waves arches and mountain ridges. Planet galaxy stars 4k. Back to top cute cactus illustration constellation stars.
Its a small part of the milky way galaxy. Galaxies form groups called clusters which have been moving apart ever since the big bang the event that started the whole universe around 138 billion years ago. Our home galaxy is called the milky way. A galaxy is held together by gravity.
Space galaxy and planets 4k wallpapers and backgrounds bring some hd wallpapers into your life. It is one of many massive young stars in the quintuplet cluster in the galactic center region. Traditional astronomy tends to group stars into asterisms and give proper names to those not to individual stars. Astronaut stars space galaxy 5k.
Nasa galaxy wallpapers 5k 8k for iphone android and desktop. When you look up at stars in the night sky youre seeing other stars in the milky way. Recent breakthroughs have proven that every star we see in the sky is orbited by at least.