About Quote by Adam Riess

Dark energy is perhaps the biggest mystery in physics.

— Steve Allen

“Dark energy is a mysterious pressure in the vacuum of space that acts in the opposite direction of gravity, forcing the universe to expand…

— Neil deGrasse Tyson

In terms of the most astonishing fact about which we know nothing, there is dark matter and dark energy. We don't know what either…

— Neil deGrasse Tyson

“The dark-matter hypothesis is preferred mostly because the only other possibility-that we are wrong about Newton's laws, and by extension general relativity-is too scary…

— Lee Smolin

Most gravity has no known origin. Is it some exotic particle? Nobody knows. Is dark energy responsible for expansion of the universe? Nobody knows.

— Neil deGrasse Tyson

The best theory comes from string theory, which states that dark matter is nothing but a higher vibration of the string. We are, in…

— Michio Kaku

If you're puzzled by what dark energy is, you're in good company.

— Saul Perlmutter

Dark matter is interesting. Basically, the universe is heavier than it should be. Theres whole swathes of stuff we cant account for.

— Talulah Riley

I want to know what dark matter and dark energy are comprised of. They remain a mystery, a complete mystery. No one is any…

— Neil deGrasse Tyson

Dark matter is interesting. Basically, the universe is heavier than it should be. There's whole swathes of stuff we can't account for.

— Talulah Riley

Dark matter and dark energy are two things we measure in the universe that are making things happen, and we have no idea what…

— Neil deGrasse Tyson

You know, there's black holes and what - could there be wormholes? Could - might there be a multi-verse? These are all fascinating frontiers.…

— Neil deGrasse Tyson