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September 8, 2020

An artist's rendering of a potential companion to the Sun, which theorists believe evolved in the Sun's natal cluster and then was lost. If proven, the companion sun theory would add credence to theories that the Oort cloud formed as we see it today, and the ninth planet was captured rather than formed in its place. Qualifying: M. Weiss

Did the sun start life as half of a pair of twin stars?

  • 14 תגובות
Harvard University scientists say the Sun may once have had a binary companion with a similar mass. If the theory is confirmed, the presence of an ancient companion star increases the likelihood that the Oort cloud formed as it is observed and the ninth planet was trapped rather than formed within the solar system.
Microalgae. From jumpstory

Scientists have succeeded in increasing the efficiency of the photosynthesis process in algae by an order of magnitude

  • 3 תגובות
A study by researchers at Ben Gurion University shows that increasing the photosynthetic efficiency 3 to 10 times at light intensities similar to the intensity of sunlight, which is used in conventional growing facilities, is possible
The map of the regeneration dam in Ethiopia and the lake that was created because of it. From Wikipedia

Water war or water peace?

  • 4 תגובות
Building dams on rivers for the purpose of generating electricity or distributing water has always caused discussions and friction because of the need for "green" energy and the transportation of water, versus the desire to preserve the environment and nature. Ethiopia has completed the dam on the Blue Nile and the tension between it and Egypt is increasing
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