Orbitle

Five rounds a day each ask how far out a satellite, moon, planet, comet or probe orbits, how long one orbit takes or how fast it moves. A marker is dragged along a logarithmic dial where only distance from the centre counts, framed by region from near Earth out to Sedna. Scoring is out of 500, with Easy, Medium and Hard settings; Hard drops landmarks and the frame.

Category

Science & Nature, Estimation

How you play

Estimate a number

Languages

English

Daily puzzle

Yes

Made by

Futile Studio

• 8.6
  GeoSizeNew

  Guess the true size of countries
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• 7.5
  Chronophoto

  Guess the year a photo was taken
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• 7.4
  Costcodle

  Guess the price of a Costco item
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• 7.2
  Fermi

  Estimate answers to three Fermi problems
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• 7.1
  Dialed Shape

  Recreate five shapes from memory
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• 6.6
  Pour

  Predict where poured liquid will settle
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• 6.5
  Dropped

  Predict where a thrown ball will land
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• 6.0
  AtomixQuest

  Solve a periodic table challenge
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