Posts tagged “science”
Best Low-Gravity Games: Driving, Jumping and Zero-G
Low gravity games compared by what weaker gravity changes: 0.38 g Mars rally, Moon jumps, zero-g salvage, and each game's gravity where it is stated.
Read the dispatch LOG · September 30, 2026Mars ScienceFootage From Mars: Real Videos, Real Sounds, No Live Feed
Footage from Mars is real but never live: Perseverance's landing, Ingenuity's flights, dust devils, the first Mars sounds and how to spot a fake.
Read the dispatch LOG · September 30, 2026Mars ScienceMars Rover Size Comparison: Every Rover's Dimensions
Mars rover size comparison: every Mars rover measured against a car and a person, from a 4.5 kg Soviet box on skis to Perseverance, the biggest at 1,025 kg.
Read the dispatch LOG · September 30, 2026Mars ScienceCar Race on Mars: How Racing on the Red Planet Would Work
A car race on Mars would likely be a rally: sealed electric cars, one at a time against the clock, 125 m to stop from 100 km/h. Plus today's rover races.
Read the dispatch LOG · September 30, 2026Mars ScienceIs There a Car on Mars? The Rovers and Where the Tesla Went
Is there a car on Mars? Not in the everyday sense: six robot rovers have driven there and two still work. Musk's Tesla orbits the Sun. Where Starman is now.
Read the dispatch LOG · September 30, 2026Mars ScienceWhat Region of Mars Did Opportunity Explore? Meridiani Planum
What region of Mars did Opportunity explore? Meridiani Planum, a plain near the equator. Its 45 km route from Eagle crater to Endeavour, and what it found.
Read the dispatch LOG · September 30, 2026Mars ScienceRace to Mars: Who Will Land Humans There First?
The race to Mars as of September 2026: where SpaceX, NASA and China really stand, what winning would mean, and why no crew is due before the 2030s.
Read the dispatch LOG · September 30, 2026Mars ScienceHistory of the Mars Rover: Who Invented It, How It Evolved
The history of the Mars rover, from Soviet skis in 1971 to Perseverance: who invented it, when the first rover landed, and how rovers grew to a tonne.
Read the dispatch LOG · September 30, 2026Mars ScienceWhat Is a Space Rover? How Rovers Explore the Moon and Mars
What is a space rover? A robotic or crewed vehicle that moves across another world. How rovers work, and all 19 so far on the Moon, Mars and an asteroid.
Read the dispatch LOG · September 27, 2026Mars ScienceHow Fast Do Mars Rovers Go? Every Rover's Top Speed
How fast do Mars rovers go? About 4 cm/s, just under 0.1 mph. Every rover's top speed, longest single-day drive and total distance, and why they crawl.
Read the dispatch LOG · September 27, 2026Mars ScienceOlympus Mons: Could You Drive or Climb to the Top?
Could you drive up Olympus Mons? It stands 22 km tall, but above the cliff at its base the flanks average a 5% grade. The route, the drive time, the view.
Read the dispatch LOG · September 27, 2026Mars ScienceMartian Regolith: What Mars Soil Is Like to Drive On
Martian regolith is crushed basalt, red iron-oxide dust and about 0.5% toxic perchlorate. What it's made of, why rovers get stuck in it, how it grips a tire.
Read the dispatch LOG · September 27, 2026Mars ScienceMars Rover Wheels: Why Curiosity's Have Holes
Mars rover wheels are thin-skinned aluminium, not rubber. Why Curiosity's have Morse-code holes, how sharp rocks tore them, and what Perseverance changed.
Read the dispatch LOG · September 27, 2026Mars ScienceWhy Sunsets on Mars Are Blue (and the Sky Is Butterscotch)
Why are sunsets on Mars blue? Dust grains larger than light's wavelength keep blue near the Sun and spread red over a butterscotch sky. Physics and photos.
Read the dispatch LOG · September 27, 2026Mars SciencePressurized Mars Rover: What a Crewed Rover Would Look Like
A pressurized Mars rover is a sealed home on wheels for two astronauts. NASA's SEV prototype, Toyota's Lunar Cruiser, suitports and Mars plans compared.
Read the dispatch LOG · September 27, 2026Mars ScienceHow Many Rovers Are on Mars? Every Rover, Active and Silent
How many rovers are on Mars? Eight reached the surface, six drove and two still work in 2026. Every rover with its landing site, distance and fate.
Read the dispatch LOG · September 27, 2026Mars ScienceHow Long Is a Day on Mars? Sols, Seasons and the Mars Year
How long is a day on Mars? A sol lasts 24 h 39 min 35 s, a Mars year 668.6 sols, and a season 142 to 194 sols. Plus how rover teams live on Mars time.
Read the dispatch LOG · September 6, 2026Mars ScienceBraking Distance on Mars vs Earth: The 125-Metre Problem
Braking distance on Mars is about 125 m from 100 km/h against 52 m on Earth gravel. The worked physics, a full table, and why mass cancels.
Read the dispatch LOG · September 6, 2026Mars ScienceWhat Would It Actually Be Like to Drive a Car on Mars?
Driving on Mars means 38% gravity, a 3.1 m/s² grip budget, no downforce at any speed, and 125 meters to stop from 100 km/h. The physics, system by system.
Read the dispatch LOG · September 6, 2026Mars ScienceMars Dust Storms, Explained (And What They Do to a Rover)
Mars dust storms explained. The wind is too thin to knock you over, but the dust blocks the sun, kills solar rovers, and buries a rally stage in brown haze.
Read the dispatch LOG · September 6, 2026Mars ScienceAerodynamics on Mars: why downforce is impossible
Mars atmosphere density is about 0.020 kg/m³, roughly 1.6% of Earth's — so wings do nothing, drag nearly vanishes, and only tire grip is left.
Read the dispatch LOG · September 6, 2026Mars ScienceWhat Phobos and Deimos Look Like From the Surface of Mars
Phobos and Deimos from the Mars surface: a small grey disc that rises in the west twice a day, and a moon that reads as a very bright star.
Read the dispatch LOG · September 6, 2026Mars ScienceRocker-Bogie Suspension: Why Every Mars Rover Uses It
Rocker-bogie suspension explained — six wheels, two rocker arms, one differential, and no springs at all. Why NASA has used it since 1997.
Read the dispatch LOG · September 6, 2026Mars ScienceHow high could you actually jump on Mars?
How high can you jump on Mars? About 2.6x your Earth height, so roughly 1.0-1.3 m, with 2.6x the hang time. The honest arithmetic, and the catch.
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