Venus has a runaway greenhouse effect. I kind of want to know what happened there because we're twirling knobs here on Earth without knowing the consequences of it. Mars once had running water. It's bone dry today. Something bad happened there as well.
Interpretation
The quote highlights the consequences of planetary changes, urging caution in our actions on Earth.
Neil Degrasse Tyson reflects on the drastic changes that have occurred on other planets like Venus and Mars, emphasizing the importance of understanding the implications of our actions on Earth. He draws a parallel to the effects of climate change and the unknown consequences of human interventions, suggesting that we should learn from the history of these planets to avoid making similar mistakes.
In practice
In a presentation about climate change, one might quote Tyson to emphasize the importance of understanding our actions.
The problem is that many people operate on the assumption that NASA should go to Congress every year with hat in hand and justify it every year. Well, I see it as the greatest economic driver that there ever was. Economic drivers don't need justification.
The press still thinks [global warming] is controversial. So they find the 1% of the scientists and put them up as if they're 50% of the research results. You in the public would have no idea that this is basically a done deal and that we're on to other problems, because the journalists are trying to give it a 50/50 story. It's not a 50/50 story. It's not. Period.
As a scientist, I want to go to Mars and back to asteroids and the Moon because I'm a scientist. But I can tell you, I'm not so naive a scientist to think that the nation might not have geopolitical reasons for going into space.
In just one year, the expenditure of of the U.S.'s military budget is equivalent to the entire 50-year running budget of NASA combined.
One of my great laments is that education today seems to have... be less about passion and more about process, more about tactic or technique.
Lots of people think, well, we're humans; we're the most intelligent and accomplished species; we're in charge. Bacteria may have a different outlook: more bacteria live and work in one linear centimeter of your lower colon than all the humans who have ever lived. That's what's going on in your digestive tract right now. Are we in charge, or are we simply hosts for bacteria? It all depends on your outlook.
There may have been many big bangs, one of which created our universe. The other bangs created other universes.
I belonged to a small minority of boys who were lacking in physical strength and athletic prowess. ... We found our refuge in science. ... We learned that science is a revenge of victims against oppressors, that science is a territory of freedom and friendship in the midst of tyranny and hatred.
Coal is responsible for as much atmospheric carbon dioxide as other fossil fuels combined and it still has far greater reserves. We must stop using it.
The scientific spirit is of more value than its products, and irrationally held truths may be more harmful than reasoned errors.
Knowing what your parents have gives you hints of things, but your genome is a totally unique combination of and interchange of DNA from your parents. There is no one else like you genetically.
Statistics is the grammar of science.
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