Question 1
EasyWhich country launched the first artificial satellite, in 1957?
- United States
- China
- Soviet Union (Correct answer)
- Germany
Source: The USSR shocked the world with the launch, kicking off the Space Race.
Below is the full Quizmo quiz devoted to the theme "Satellites": each question, its four options, the correct answer highlighted and, where available, its source. A chance to brush up on your general knowledge and then test what you know.
▶ Play today's quizWhich country launched the first artificial satellite, in 1957?
Source: The USSR shocked the world with the launch, kicking off the Space Race.
What was the name of that first satellite launched in 1957?
Source: Sputnik means 'travelling companion' in Russian, and it just went beep-beep on radio.
What force keeps a satellite circling the Earth instead of flying off?
Source: A satellite is actually falling toward Earth forever, but moving sideways fast enough to miss.
Which satellite system lets your phone show where you are?
Source: GPS was built by the US military before being opened up for everyday navigation.
Which satellite network does SpaceX use to beam internet from orbit?
Source: Starlink already has thousands of satellites, making it the largest constellation ever built.
Dead satellites and broken fragments left orbiting Earth are called what?
Source: There are millions of debris pieces zipping around, some travelling faster than a bullet.
Meteorologists rely on satellites mainly to track what?
Source: Weather satellites let forecasters spot hurricanes days before they reach land.
The Moon is best described as Earth's what?
Source: Any object orbiting a planet is a satellite, so the Moon is simply a natural one.
What happens to most low-orbit satellites at the end of their lives?
Source: Friction with the thin upper air drags them down until they vaporise like shooting stars.
Satellite phones are most useful in areas without what?
Source: They talk straight to orbit, so they work mid-ocean or deep in the desert.
Geostationary satellites orbit at roughly what altitude above Earth?
Source: At that height they circle once a day, appearing to hang motionless over one spot.
What animal was the first living creature to orbit Earth, aboard Sputnik 2?
Source: Laika the dog flew in 1957, years before any human reached orbit.
Geostationary satellites all sit directly above which line?
Source: Only above the Equator can a satellite hover over one fixed point on the ground.
How many satellites must a receiver lock onto to fix your exact position?
Source: Three give location and a fourth corrects the clock, since light-speed timing must be perfect.
Which famous telescope is itself a satellite orbiting the Earth?
Source: Hubble orbits above the blurry atmosphere, which is why its images are so sharp.
Today, the vast majority of active satellites sit in which orbit?
Source: Cheaper launches and mega-constellations have packed low orbit with thousands of craft.
Satellites that scan the entire planet usually fly in which orbit?
Source: Crossing the poles lets the Earth rotate underneath, so the satellite eventually sees everything.
Which science-fiction author popularized the idea of communication satellites?
Source: Clarke described geostationary relay satellites in 1945, two decades before any existed.
About how fast does a satellite in low orbit actually travel?
Source: That blistering speed lets a low satellite circle the whole planet in about 90 minutes.
Roughly how many active satellites are orbiting Earth right now?
Source: The number has exploded in recent years, with one company owning over half of them.