Dead Space, The Solar System, What is Really Out There?, The Universe, Planets
It depends how big the poster is....just make sure it can be easily seen and catches the eye!
No, you do not double space the heading in MLA format.
An attractive heading might be Pause Pollution. It could also be Pollution Changes Lives. There are many different headings this could be.
For a quality poster bed, you should look at Home Depot. Here, you will find nice poster beds that are good quality yet cheap. A good price for a poster bed is $100.
Browsers, by default, add margin and padding around a heading to set the heading off, visually, from the rest of the document. By pushing other content away, the heading makes itself stand out more (the white space is the trick.)
Heading towards interstellar space. Where no man has gone before.
Jupiter
a good way to fill empty space is with pictures or diagrams! if you want to make them more appealing you could make the pop out or something too
http://www.wikihow.com/Make-a-Poster This gives you 7 steps on how to make a good poster. By hand or computer.
be creative
It depends on the size of the poster, but we'd make a space for it! Would you like to know where you can purchase one?
A good biography poster idea will convey the idea behind the biography really well. For instance, a biography poster about a cowboy might have horses and cattle displayed prominently.