More Answers

Observable universe

en.wikipedia.org/wiki/Observable_universe

Main article: cosmic abundance of elements. Assuming the mass of ordinary matter is about ...

How Many Atoms Are There in the Universe? - Universe Today

www.universetoday.com/36302/atoms-in-the-universe/

Jul 30, 2009 ... Thus the density of atoms is on the order of a single hydrogen atom for ... NASA also has the following articles on the universe, like How many ...

Dumbed-down explanation how scientists know the number of

physics.stackexchange.com/questions/47941/dumbed-down-explanation-how-scientists-know-the-number-of-atoms-in-the-universe

Dec 30, 2012 ... It is often quoted that the number of atoms in the universe is 10 or 10 . How do scientists ..... How many atoms are there in our solar system?

How many particles are there in the universe? - Quora

www.quora.com/How-many-particles-are-there-in-the-universe

The answer to the question depends on what is meant by the universe. ... calculating the estimated total number of atoms in the universe is straight forward.

How Many Atoms Are In The Universe? - Naked Science Forum

www.thenakedscientists.com/forum/index.php?topic=21042.50

The visible universe is estimated to contain between 10<sup>78</sup> and 10<sup>80</sup> atoms. (One estimate at the higher end of the range is 4 x 10<sup>79</sup>.)

the number of atoms in the universe - Wolfram|Alpha

www.wolframalpha.com/input/?i=number of atoms in the universe

www.ask.com/youtube?q=How Many Atoms Are in the Universe?&v=JlfUon3ctrs
Nov 3, 2014 ... Graham's number doesn't say how much atoms is there in universe ... Maybe that's how many atoms make up the Solar System AT MOST!

The Universe By Numbers - The Physics of the Universe

www.physicsoftheuniverse.com/numbers.html

Radius (in metres) of a hydrogen atom. 0.0000000005972, 5.972 × 10<sup>-10</sup>, Rest mass-energy (in Joules) of an alpha particle. 0.0000004, 4 × 10<sup>-7</sup>, Approximate ...

Re: How many atoms make up the universe? - Mad Scientist Network

www.madsci.org/posts/archives/1998-10/905633072.As.r.html

Sep 11, 1998 ... The number of atoms in the Universe is a relatively finite number. That is to say, it does not really change by any appreciable amount.

Top 4 Bonkers things about the universe | Latest Features | physics.org

www.physics.org/featuredetail.asp?id=41

An atom is like a miniature Solar System, with a tight nucleus playing the role of a ... Only four per cent of the mass of the Universe is in the atoms that make up ...

Popular Q&A
Q: How many atoms are in the universe?
A: We can't possibly talk about the universe as a whole, but we can talk about the observable universe. WMAP is a satellite which has measured a great deal of info... Read More »
Source: answers.yahoo.com
Q: How Many Atoms Are in the Universe?
A: Several assumptions: The universe is expanding at such a rate that gravity just fails to halt it (similar to escape velocity prob). The age of the universe is a... Read More »
Source: answers.yahoo.com
Q: How many atoms in the universe?
A: In the range of 10 to the power of 78 to 10 to the power of 81. Read More »
Source: answers.wikia.com
Q: How many atoms in the universe?
A: 10 to the powers 78( answered by vikas baghla) Partially correct. It is the amount of atoms in the observable universe, but since we do not know the size of the... Read More »
Source: www.helpfulbox.com
Q: How many atoms make up the universe?
A: The number of atoms in the universe are a finite number, scientist are Read More »
Source: www.chacha.com