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If Earth didn’t have an atmosphere, then, when the moon was entirely eclipsed within Earth’s shadow, the moon would would appear dark …
Have you ever noticed mushrooms growing in a big circle? It’s known as a fairy ring. How does it happen?
That’s more than previous estimates. But the number of trees has dropped by 46% since the start of human civilization, says the study.
We need dark energy to explain why gravity seems to be driving galaxies in our universe apart instead of pulling them together.
Beneath Yellowstone National Park lies a volcanic hotspot. The most recent enormous eruption occurred 640,000 years ago. What’s going on now?
Volcanoes are channels that transfer molten rock from Earth’s crust to the surface. Here’s why eruptions happen.
Dates of sun’s entry into each zodiacal constellation and the corresponding ecliptic longitude (sun’s position in degrees, east of the March equinox point).
Not just any loud sound will shatter a glass. It has to be the right resonant frequency.
Warming temps, and the rise and fall of coasts, complicate measurements of sea level. How do scientists establish sea level on a constantly changing Earth?
Most of Earth’s oxygen comes from tiny ocean plants – called phytoplankton – that live near the water’s surface and drift with the currents.
Which moon phase best for stargazing?
Situation at Kilauea Volcano ‘steadily worsening’
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