| Hint | Answer | % Correct |
|---|---|---|
| Countries whose citizens have flown in space* North America | US, Mexico, Cuba, Canada | 99%
|
| Countries whose citizens have flown in space* Asia | India, China, Japan... | 98%
|
| Which is visible from naked eyes | Mercury, Venus, Mars, Jupiter, Saturn | 98%
|
| With at least 20 Natural Satellite | Saturn, Jupiter, Uranus | 98%
|
| that has Ring | Saturn, Jupiter, Uranus, Neptune | 98%
|
| Countries whose citizens have flown in space* Europe | France, Italy, Ukraine... | 97%
|
| Has no Natural Satellite | Mercury, Venus | 97%
|
| Is an Ice Giant | Uranus, Neptune | 97%
|
| Countries whose citizens have flown in space* South America | Brazil | 96%
|
| With a density of over 3K KG per m3 | Mars, Venus, Earth, Mercury | 96%
|
| Which is considered a Dwarf Planet | Ceres, Pluto, Eris, Makemake, Haumea | 95%
|
| Between whome Asteroid Belt is situated | Jupiter, Mars | 95%
|
| Countries whose citizens have flown in space* Oceania | Australia | 94%
|
| Countries whose citizens have flown in space* Africa | South Africa | 89%
|
| Natural Satellites of Jupiter | Io, Europa, Ganymede... | 75%
|
| Natural Satellites of Saturn | Rhea, Titan, Janus... | 66%
|
| Natural Satellites of Mars | Phobos, Deimos | 53%
|
| Natural Satellites of Neptune | Triton, Nereid, Thalassa... | 38%
|
| Natural Satellites of Uranus | Ariel, Umbriel, Titania... | 28%
|