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Apr 21, 2020 · On this 50th anniversary of Earth Day on April 22, we reflect on nine reasons Earth is the best place to live: This mosaic was assembled in 2018 from dozens of images taken by the Mast Camera (Mastcam) on NASA’s Curiosity rover.
- William Steigerwald
Nov 17, 2021 · WE CAN attempt to answer the question of why we exist in a literal sense: by tracing our human story back through the whorls and rifts of evolution, through the contested origins of life on Earth...
- US Publisher
- Reuben Westmaas
- The moon: The Earth has a slight tilt and teeters like a top as it spins, which can cause drastic shifts in climate over the course of thousands of years.
- Stable rotation: There's no reason to think that a planet without a stable rotation would be completely inhabitable (actually, some people think such "eyeball planets" could be our best bet for aliens), but the regularity and frequency of day and night on this planet go far to prevent extreme temperatures and encourage life.
- A magnetic field: Our planet is blessed with a strong, stable magnetic field, which staves off the cosmic rays and solar flares that would otherwise fry the planet every now and then.
- Dynamic geology: The cloud of gas and dust that eventually coalesced into the Earth contained enough radioactive elements to keep the core of the planet churning merrily for billions of years.
Mar 12, 2017 · In the book, Einstein comes back to the question of the purpose of life, and what a meaningful life is, on several occasions. In one passage, he links it to a sense of religiosity. “What is the...
Many would answer that the value of existence is inestimable, and would perhaps regard questioning that as peculiar, or as too silly to take seriously. They might say, life is good pretty much by definition, because ‘good’ implies life-enhancing or conducive to human flourishing.
Respect Earth and life in all its diversity. Recognize that all beings are interdependent and every form of life has value regardless of its worth to human beings. Affirm faith in the inherent dignity of all human beings and in the intellectual, artistic, ethical, and spiritual potential of humanity.
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Apr 21, 2020 · All life on Earth exists within a 100-mile band, from just below the surface to the top of the atmosphere. That distance, compared to the size of the Earth itself, is as thin as the shell of an egg. Take a deep breath. What’s flowing into your lungs? Air, that’s what.
