Register

Adv. Query

Q&A (4870)

Reviews (203)

Open problems (47)
Meta (439)

Site Statistics

205 submissions , 163 unreviewed
5,082 questions , 2,232 unanswered
5,353 answers , 22,789 comments
1,470 users with positive rep
820 active unimported users
More ...

which force expands the dense materials at big banng?

835 views

@Winther dense materials will be more dense due to gravitational attraction .

so there will be a big force (and potential energy) for expanding of dense materials at big bang .

my be that is dark energy .

would you please answer me

mohammadi

seid.m.m@gmail.com

+989123245497

Closed as per community consensus as the post is not graduate-level

asked Dec 11, 2017 in Closed Questions by seyedmohammad mohammadi [ revision history ] 1 flag
recategorized Jan 8, 2018 by dimension10

not graduate+ level. Users with 500+ reputation may vote here to get it closed.

commented Dec 11, 2017 by Arnold Neumaier (15,787 points) [ revision history ]

Your comment on this question:

To answer, leave an answer instead. Comments are usually for non-answers.
To mask links under text, please type your text, highlight it, and click the "link" button. You can then enter your link URL.
To alert a user, please use the "@" command and remove spaces from the username, example, the user "John Doe" should be pinged as "@JohnDoe", while the user "Johndoe" should be pinged as "@Johndoe". The post author is always automatically pinged (unless you are the post author).
Please consult the FAQ for as to how to format your post.

Live preview (may slow down editor) Preview

Your name to display (optional):

Email me at this address if a comment is added after mine:

Privacy: Your email address will only be used for sending these notifications.

Anti-spam verification:

If you are a human please identify the position of the character covered by the symbol $\varnothing$ in the following word:
$\varnothing\hbar$ysicsOverflow
Then drag the red bullet below over the corresponding character of our banner. When you drop it there, the bullet changes to green (on slow internet connections after a few seconds).

Please complete the anti-spam verification

1 Answer

In the pre-inflation version of the Big Bang theory, very high relative velocities are part of the hypothesis on the very early state of the Universe. In the inflation theory, this is a consequence of the inflationnary accelerated expansion phase (which in particular involves some analogue of the "dark energy", where by "dark energy" I mean the cause of the recent accelerated expansion of the Universe).

answered Dec 11, 2017 by 40227 (5,140 points) [ revision history ]

Your comment on this answer:

To answer, leave an answer instead. Comments are usually for non-answers.
To mask links under text, please type your text, highlight it, and click the "link" button. You can then enter your link URL.
To alert a user, please use the "@" command and remove spaces from the username, example, the user "John Doe" should be pinged as "@JohnDoe", while the user "Johndoe" should be pinged as "@Johndoe". The post author is always automatically pinged (unless you are the post author).
Please consult the FAQ for as to how to format your post.

Live preview (may slow down editor) Preview

Your name to display (optional):

Email me at this address if a comment is added after mine:

Privacy: Your email address will only be used for sending these notifications.

Anti-spam verification:

[captcha placeholder]

Please complete the anti-spam verification

user contributions licensed under cc by-sa 3.0 with attribution required

...