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Carnival of Space #632

4 Oct 2019, 20:07 UTC
Carnival of Space #632
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Black Holes and SpaceX dominate this Carnival of Space so let’s have it…
Confirmed. Fossils That Formed 3.5 billion Years Ago, Really are Fossils. The Oldest Evidence of Life Found So Far
Evan Gough | Universe Today
The title of Earth’s Earliest Life has been returned to the fossils in the Pilbara region of Australia. The Pilbara fossils had held that title since the 1980s, until researchers studying ancient rocks in Greenland found evidence of ancient life there. But subsequent research questioned the biological nature of the Greenland evidence, which put the whole issue into question again.
Now a new study of the Pilbara fossils has identified the presence of preserved organic matter in those fossils, and handed the…
Tracking Twilight: ‘Purple Sunset Effect’ Seen Worldwide
David Dickinson | Universe Today
Has twilight looked at little… purple to you as of late? The ‘purple sunset’ effect is subtle, but currently noticeable on a clear evening. Sunsets are always colorful events, as the Sun’s rays shine through a thicker layer of the atmosphere at an oblique angle, scattering out at longer, redder wavelengths. When the air is clear and relatively dust free, this effect is at a minimum… but when the ...

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