It is difficult to imagine what the earth would have looked like in the years before life began. Geological investigators have now found more evidence that it was different than the planet we live on today. According to a new analysis of the features of the Earth’s crust over its …
Read More »Ancient dust from the depths of the ocean can help keep the last ice age cool
There are traces of ancient dust at the bottom of the South Pacific Ocean that has changed the Earth’s atmosphere, and new research suggests it came from beneath Argentina’s ice-age glaciers. Wrapped by heavy westerly winds about 20,000 years ago, these microscopic minerals would have circulated almost all over the …
Read More »More and more men are adding extra arteries to our arms, showing that we are still evolving
Depicting how our species might look in the distant future often invites wild speculation on stand-out features such as height, brain size and skin color. The subtle shifts in our anatomy today show how predictable evolution can be. Take something as physical as an extra blood vessel in our hand, …
Read More »Nice Hubble Portrait of Jupiter Storms | Space
Look bigger. | This will not be a clear image of the Guru you have ever seen. Images of the spacecraft are clear. But it is the clearest image taken from Earth that we can remember. Isn’t that beautiful? It is from the Hubble Space Telescope. The small moon on …
Read More »Visualize the Perseid meteor stream in space | Astronomy Essentials
Perside visualization of meteor stream. It looks blurry because it’s a screenshot from a video. Be sure to click on the interactive page; it’s amazing! Visualization by Ian Webster. EarthSky’s annual crowdfunding campaign is underway. In 2020, we donate 8.5% to No Kids Hungry. Please donate to help us continue, …
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