Scientists may soon be able to tease out a faint signal of gravitational waves from black hole collisions too distant to be detected directly, scientists with LIGO, the Advanced Laser Interferometer Gravitational-Wave Observatory.
Half Lava & Half Rock, 5 Cancri E Might Be The Weirdest Exoplanet Ever Discovered
Bootstrap's grid system allows up to 12 columns across the page
Change the browser width and observe change in width of columns of below grids according to brower size
<div class="container">
<div class="row ">
<div class="col-xs-1 col-sm-1 col-md-1">1</div>
<div class="col-xs-1 col-sm-1 col-md-1">1</div>
<div class="col-xs-1 col-sm-1 col-md-1">1</div>
<div class="col-xs-1 col-sm-1 col-md-1">1</div>
<div class="col-xs-1 col-sm-1 col-md-1">1</div>
<div class="col-xs-1 col-sm-1 col-md-1">1</div>
<div class="col-xs-1 col-sm-1 col-md-1">1</div>
<div class="col-xs-1 col-sm-1 col-md-1">1</div>
<div class="col-xs-1 col-sm-1 col-md-1">1</div>
<div class="col-xs-1 col-sm-1 col-md-1">1</div>
<div class="col-xs-1 col-sm-1 col-md-1">1</div>
<div class="col-xs-1 col-sm-1 col-md-1">1</div>
</div>
<br>
<div class="row">
<div class="col-xs-8 col-sm-6 col-md-3 col-lg-1">xs-8, sm-6, md-3</div>
<div class="col-xs-4 col-sm-6 col-md-9 col-lg-11">xs-4, sm-6, md-9</div>
</div>
<br>
<div class="row">
<div class="col-md-8 col-md-offset-3 col-sm-8 col-sm-offset-3">offset</div>
</div>
</div>