(物质)(5)We do know the diameter(直径) of the universeand time.is 93 billion light-years.(2)The universe has hundreds of bilions(十亿(6)The Big Bang theory(大爆炸理论) is theof galaxies(星系), and each galaxy has billions ofmost popular theory of how the today's universe wasstars....
Astronomers have spent decades trying to determine the size and age of the universe, and their closest estimate to the size of the observable universe is 46 billion light years across. This is just the area that astronomers can observe, and in fact they think it could even be double that ...
92ScientificAmericanPresentsTheExpansionRateandSizeoftheUniversebyWendyL.FreedmanANDROMEDAGALAXYisaprimeexampleofwhycalculatingtheexpansionrateoftheuniverseisdifficult.Andromedais2.5millionlight-yearsawayfromEarth,butitstillfeelsthegravitationalpullofourowngalaxy.Consequently,itsrelativemotionhaslittletodowiththeexpansionof...
It is impossible for us to imagine a true picture of the size of the universe. It is hard for us even to imagine how big it might be. The earth is part of the solar system, but a very tiny part of it. The solar system consists of the sun, the planets that move around it, the...
The distance between the Earth and the edge of the observable Universe is 46 billion light-years. In this connection, we should remember that the distance measured depends on the time. The diameter of the observable Universe is approximately 91 billion light-years. Here also we must note the ...
.atlasoftheuniverse/12lys.htmlThirty-threestarsarewithin12.5lightyearsMoveout250lightyears.260,000starsareinthisarea.Moveout5,000lightyears(OrionArm).600,000,000starsareinthisarea.At50,000lightyears,youseetheMilkyWay.Thereareabout200,000,000,000starsintheMilkyWay.MoreexplorationoftheMilkyWay(clickthe...
求翻译:Very little is known about the size of the universe. It may be trillions of light years across, or even infinite in size. A 2003 paper[20] claims to establish a lower bound of 24 gigaparsecs (78 thousand million light years) on the size of the universe, but there is no reaso...
Observable universe, the region of space that humans can actually or theoretically observe with the aid of technology. The observable universe, which can be thought of as a bubble with Earth at its centre, is differentiated from the entirety of the unive
An independent estimation of the size of the universe could be used to independently constrain ns, thus narrowing the space of inflationary models. PACS numbers: 98.80.-k I. INTRODUCTION The temperature power spectrum coefficients of the Cosmic Microwave Background (CMB) radiation field, the C s...
Although it's always nice to see others make inplications of me being cruel to a cactus in the name of new art forms =) thanks. wert Members2 1k Gender:Male Country:yes close to sun but far from edge of universe. Interests:limited to pretty much anything energy can do really. ...