Start learning →

Astronomy Olympiad Olympiad Astronomy — practice questions

Explore 88 free Olympiad Astronomy questions in Astronomy Olympiad Astronomy. Each question opens with answer choices, the correct answer and a worked solution.

Practise Olympiad Astronomy with Quill →

Olympiad Astronomy MCQs with answers

Showing questions 1–30 of 88.

A student lists Mercury, Venus, Earth and Mars together. This group is the:Read the answer and worked solution →A probe lands on a small rocky world close to the Sun. Such worlds are made mainly of:Read the answer and worked solution →Jupiter, Saturn, Uranus and Neptune are huge and are built mostly from:Read the answer and worked solution →One planet outweighs every other planet put together. That planet is:Read the answer and worked solution →Roughly how many Earths would fit inside the volume of Jupiter?Read the answer and worked solution →A textbook states distances in AU. One AU is the distance from the Sun to:Read the answer and worked solution →A student must find the density of a rock sample. She divides its mass by its:Read the answer and worked solution →Saturn's moon Mimas has a density close to that of water, so Mimas is mostly:Read the answer and worked solution →Two planets travel through space with no moon of their own. They are:Read the answer and worked solution →A beginner points a small telescope at the easiest planetary rings to see. They belong to:Read the answer and worked solution →Seen edge on, the orbits of all eight major planets lie in roughly the same:Read the answer and worked solution →Pluto's path around the Sun differs from the eight planets because it is not in their:Read the answer and worked solution →A category was created for Pluto and similar icy bodies past Neptune. It is:Read the answer and worked solution →The largest object in the asteroid belt is also counted as a dwarf planet. It is:Read the answer and worked solution →The first body beyond Neptune to be discovered, back in 1930, was:Read the answer and worked solution →Uranus is odd because its spin axis is tipped so far that it rolls along nearly:Read the answer and worked solution →A rock from space survives its fiery fall and lands in a field. On the ground it is a:Read the answer and worked solution →A geologist wants a rough age for a moon's surface. A simple method is counting its:Read the answer and worked solution →The Sun and planets formed together out of a spinning cloud of gas and dust called the:Read the answer and worked solution →Icy and rocky bodies that came before the planets and later built them are called:Read the answer and worked solution →In 1994 more than 20 pieces of a broken comet smashed into one planet. That planet was:Read the answer and worked solution →A spacecraft flew past the icy dwarf planet Pluto in 2015. The mission was:Read the answer and worked solution →The early Greeks pictured the stars as fixed to a giant turning ball. They called it the:Read the answer and worked solution →A modern student is told the nightly turning of the sky is really caused by:Read the answer and worked solution →Earth's axis extended outwards meets the sky at two points called the celestial:Read the answer and worked solution →An observer in San Francisco at latitude 38 degrees north sees the north celestial pole at:Read the answer and worked solution →A traveller moves closer to the equator and sees the sky turn differently. This depends on her:Read the answer and worked solution →A hiker finds the star that shifts least as the northern sky turns. That star is:Read the answer and worked solution →A full circle drawn right around the celestial sphere contains how many degrees?Read the answer and worked solution →Against the background stars, the Sun creeps eastwards each day by roughly:Read the answer and worked solution →

How to practise

  1. Choose a Olympiad Astronomy question and try to work out your answer.
  2. Open the question to check the correct answer and read its worked solution.
  3. Continue in the app for bite-sized lessons, explanations and review with Quill. You can start without creating an account.

More Astronomy topics