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Third planet from the Sun in the Solar System
NASA and other analysts say the Van Allen radiation belts are a real hazard but not an impenetrable barrier: Apollo crews crossed them quickly, through thinner regions, and received relatively low dos...
3I/ATLAS is a real, observed interstellar comet first spotted by the ATLAS survey on 1 July 2025; space telescopes including Hubble and JWST have imaged and measured it (e.g., Hubble imaged it at abou...
reported on a new and, in that long geological context, noted that sits on a long-term downward trajectory compared with much hotter intervals in deep time — a characterization the paper summarized as...
Ronald Reagan's oft‑quoted line appears in several of his speeches in nearly identical form: "You can go to live in France, but you cannot become a Frenchman. You can go to live in Germany or Turkey o...
Yes — . Multiple lines of independent, scientific, and historical evidence corroborate the landings, and the mainstream reporting and expert analyses assembled over five decades have repeatedly debunk...
Apollo-returned lunar rocks differ from Earth rocks in age, formation history, mineralogy and surface processing: Apollo missions returned 382 kg of samples that are mostly igneous (basalts and anorth...
No, supernovas are not a realistic near‑term threat to human civilization: a deadly blast would have to occur unusually close to the Sun — on the order of a few tens of light‑years — a rarity on billi...
Twelve Apollo surface locations plus many smaller objects remain on the Moon — including descent stages, rovers, tools, scientific experiments and laser retroreflectors — and some of those items have ...
first landed humans on on , when the lunar module touched down in and two astronauts— and —walked on the lunar surface, while remained in lunar orbit aboard the command module . The mission launched e...
Lunar laser ranging reflectors left on the Moon by Apollo and Lunokhod missions provide the single longest-running, high-precision experiment for measuring Earth–Moon distance, testing gravity, and pr...
Hydrogen‑rich, low‑Z (low atomic number) materials — notably polyethylene, water/ice, and hydrogenated composites — are the most effective passive shields against galactic cosmic rays (GCRs) because t...
Human missions can and historically have minimized prolonged exposure to the Van Allen belts by choosing fast, optimized transit paths and timing to avoid peak activity; Apollo crews crossed the belts...
Lancer’s political landscape centers on a dominant interstellar polity called Union — a revolutionary, imperfect governing body led in the setting’s present by the Third Committee — alongside rival co...
differ from in predictable ways: they are dominantly anhydrous igneous lithologies rich in plagioclase, pyroxene and olivine with distinctive Fe–Ti oxide abundances, low alkali and chalcophile element...
Scientific accounts frame the as a gradual, chemical process——rather than a single incontrovertible event, with competing, evidence-informed scenarios including a “primordial soup,” hydrothermal-vent ...
are bursts of electromagnetic energy from the that, when strong and -directed, can disrupt technology and create spectacular auroras, but they do not pose a direct acute danger to people on the planet...
The Moon does not currently possess a global, Earth-like dipolar magnetic field, but its surface carries localized magnetic anomalies and geological records that imply episodes of stronger magnetism i...
There is no evidence in the scientific record or credible reporting that an engineered "intergalactic space station" exists; known space stations are human-built and orbit planets, not the vast stretc...
Time dilation is the technical name for the objectively measurable difference in elapsed time between two clocks that arise when those clocks are in different states of motion or at different gravitat...
Yes — humans walked on the Moon: Apollo 11’s crew landed on July 20–21, 1969 and Neil Armstrong and Buzz Aldrin conducted an extravehicular activity on the lunar surface, a fact documented by NASA mis...