Index/Locations/Earth

Earth

Third planet from the Sun in the Solar System

Fact-Checks

17 results
Dec 11, 2025
Most Viewed

Why did the NASA astronaut say we would have to solve the issue of the van Allen belts to go to the moon

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...

Nov 15, 2025
Most Viewed

Is a1 atlas real and how far is it from the earth

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...

Dec 19, 2025
Most Viewed

What is Ronald Reagan's full quotation about anyone coming to America can be an American?

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...

Nov 27, 2025

How do lunar rocks differ from Earth rocks and support Apollo landings?

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...

Jan 15, 2026

do we have to worry about supernovas?

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...

Dec 8, 2025

What physical artifacts from Apollo remain on the Moon and how can they be observed today?

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 ...

Oct 29, 2025

What is the significance of the laser ranging reflectors left on the moon's surface?

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...

Jan 18, 2026

What shielding materials and habitat designs best reduce galactic cosmic ray dose for multi-month Mars missions?

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...

Dec 17, 2025

Can human missions to the Moon or Mars avoid prolonged exposure to the Van Allen belts?

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...

Dec 6, 2025

can you explain the political make up of the LANCER univerce from the RPG

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...

Jan 15, 2026

does the moon have a magnetic field

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...

Jan 13, 2026

Is there an intergalactic space station

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...

Jan 10, 2026

What is technical meaning of time dilation

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...

Jan 10, 2026

Did man walk on the moon

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...

Dec 20, 2025

A drug and weapons trafficker killed by BOPE was the nephew of Flávio Dino.

A viral claim that a drug-and-weapons trafficker killed by BOPE in a May 2022 Rio operation was a nephew of Supreme Court minister Flávio Dino is unsupported by available reporting: multiple fact-chec...

Dec 18, 2025

What are the Van Allen radiation belts and how were they discovered?

The Van Allen radiation belts are doughnut-shaped zones of energetic charged particles—primarily electrons and protons—trapped by Earth’s magnetosphere and stretching from a few hundred to tens of tho...

Nov 28, 2025

Is 3i atlas coming for us

3I/ATLAS is an interstellar comet that passed perihelion on about 29–30 October 2025 and made relatively close passes to Mars and Venus (roughly 29 million km from Mars on 3 October and ~97 million km...