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The New York Times

The Summer Solstice and the Search for Life in the Cosmos

20 Jun 2018, 21:59 UTC
The Summer Solstice and the Search for Life in the Cosmos ESO/M. Kornmesser

As you mark the longest day of the year, consider the debate among astronomers over whether Earth’s tilt toward the sun helps make life on our world and others possible. On the summer solstice Thursday, the Northern Hemisphere will dip toward the sun and bathe in direct sunlight for longer than any other day of the year. That will cause the sun to rise early, climb high into the sky — sweeping far above city skylines or mountain peaks — and set late into the evening.

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