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interestingengineering.com | ||
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www.space.com
A rare group of aligned, star-birthing dwarf galaxies resemble a cosmic string of pearls. |
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www.universetoday.com
Two ESA spacecraft, Hera and Europa Clipper, are poised to fly through the long tail of interstellar comet 3I/ATLAS, a new paper finds. |
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thatsmaths.com
There are five sweet spots where a spacecraft can keep pace with Earth as both orbit the Sun. They are called the Lagrange points, after the brilliant French mathematician Joseph-Louis Lagrange who found special solutions to what is called the "three-body problem". To locate the second Lagrange point, L2, draw a line 150 million km... |
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theweek.com
Flying a flag at half-mast has become a well-recognized symbol of national grieving, but where did this tradition originate? |
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