In 1960, Freeman Dyson proposed how advanced civilizations could create megastructures that enclosed their system, allowing them to harness all of their star's energy and multiplying the habitable space they could occupy. ...
Astrobiology
Sep 26, 2023
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The ESA launched Gaia in 2013 with one overarching goal: to map more than one billion stars in the Milky Way. Its vast collection of data is frequently used in published research. Gaia is an ambitious mission, though it seldom ...
Planetary Sciences
Sep 26, 2023
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24
Solar eclipses can have a noticeable impact on the structure and dynamics of Earth's upper atmosphere—the ionosphere. This is primarily due to the sudden reduction in solar radiation reaching the Earth's atmosphere during ...
Planetary Sciences
Sep 26, 2023
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0
In a solar system called TRAPPIST-1, 40 light years from the sun, seven Earth-sized planets revolve around a cold star.
Astronomy
Sep 25, 2023
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6840
A recent study submitted to Acta Astronautica and currently available on the arXiv preprint server explores the potential for using aerographite solar sails for traveling to Mars and interstellar space, which could dramatically ...
Space Exploration
Sep 22, 2023
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233
NASA's Parker Solar Probe has racked up an impressive list of superlatives in its first five years of operations: It's the closest spacecraft to the sun, the fastest human-made object and the first mission to ever "touch ...
Space Exploration
Sep 22, 2023
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417
At their closest point in orbit, Earth and Jupiter are separated by almost 600 million kilometers. At the time of writing, five months after launch, Juice has already traveled 370 million kilometers, yet in time it's only ...
Space Exploration
Sep 20, 2023
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2
Between now and the mid-2030s, multiple space agencies hope to send crewed missions to the moon. of These plans all involve establishing bases around the moon's southern polar region, including the Artemis Base Camp and the ...
Space Exploration
Sep 14, 2023
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4
This September, after traveling billions of miles through our solar system, NASA's OSIRIS-REx spacecraft will cruise past Earth with an extraordinary delivery. As it passes, it will release a mini-fridge size capsule containing ...
Space Exploration
Sep 14, 2023
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19
The orbits of 27 stars orbiting closely around the black hole at the center of our Milky Way are so chaotic that researchers cannot predict with confidence where they will be in about 462 years. This finding emerges from ...
Astronomy
Sep 13, 2023
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