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 darkenergyexotic Change image and share on social
The history of exploration across nations and across time is not one where nations said, 'Let's explore because it's fun.' It was, 'Let's explore so that we can claim lands for our country, so that we can open up new trade routes; let's explore so we can become more powerful.' Neil deGrasse Tyson claimcountryexploration share on social
If your ego starts out, 'I am important, I am big, I am special,' you're in for some disappointments when you look around at what we've discovered about the universe. No, you're not big. No, you're not. You're small in time and in space. And you have this frail vessel called the human body that's limited on Earth. Neil deGrasse Tyson bigbodycall share on social
Some asteroids have us in their sights. Be nice to sort of go near them and find out what they're made of, possibly tag their ears so they're always broadcasting to us their location. In case one of their trajectories head straight for us, we'll know well in advance to do something about it. Neil deGrasse Tyson advanceasteroidbroadcast share on social
It turns out our brain is sensitive, maybe too sensitive, to motion. It's a survival mechanism. Neil deGrasse Tyson brainmechanismmotion Change image and share on social
I've been a minimalist my whole life, even if you wouldn't know it from my office. Neil deGrasse Tyson havelifeminimalist Change image and share on social
I want people to see that the cosmic perspective is simultaneously honest about the universe we live in and uplifting, when we realize how far we have come and how wonderful is this world of ours. Neil deGrasse Tyson cosmichonestlive Change image and share on social
If you're a scientist, and you have to have an answer, even in the absence of data, you're not going to be a good scientist. Neil deGrasse Tyson absenceanswerdatum Change image and share on social
The first trillionaire in the world will be the person who mines asteroids. Neil deGrasse Tyson asteroidmineperson Change image and share on social
It may be that our cosmic curiosity... is a genetically-encoded force that we illuminate when we look up and wonder. Neil deGrasse Tyson cosmiccuriosityencode Change image and share on social