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Astronomy Olympiad Earth Moon and Sky — practice questions

Explore 22 free Earth Moon and Sky questions in Astronomy Olympiad Astronomy. Each question opens with answer choices, the correct answer and a worked solution.

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Earth Moon and Sky MCQs with answers

Showing questions 1–22 of 22.

A student claims summer comes because Earth is nearer the Sun. The real cause is Earth's:Read the answer and worked solution →Earth's axis is tilted from the upright by an angle of about:Read the answer and worked solution →The latitude at which the Sun is directly overhead on the summer solstice is the Tropic of:Read the answer and worked solution →On the summer solstice, the day length reaches 24 hours at and beyond the:Read the answer and worked solution →If Earth's tilt were 16 degrees, the Arctic Circle would sit at a latitude of:Read the answer and worked solution →The two dates on which the Sun crosses the celestial equator are called the:Read the answer and worked solution →At each pole, six months of sunshine are followed by how many months of darkness?Read the answer and worked solution →Stars rise about 4 minutes earlier each day because a solar day is longer than a:Read the answer and worked solution →By 1900 most of the world had agreed on how many standard global time zones?Read the answer and worked solution →One large country keeps a single time zone for its whole width. That country is:Read the answer and worked solution →Under the Gregorian rule, a century year is a leap year only if it divides by:Read the answer and worked solution →Of the century years 1700, 1800, 1900 and 2000, the leap year was:Read the answer and worked solution →The Moon at the phase where it is invisible, rising at sunrise, is called the:Read the answer and worked solution →When the Moon has gone one quarter of the way round its orbit, its phase is:Read the answer and worked solution →When the Sun lit face of the Moon is turned fully towards Earth, we see the:Read the answer and worked solution →Measured against the stars, the Moon goes once round Earth in a little over:Read the answer and worked solution →The Moon always shows us the same face because it rotates in the same time it takes to:Read the answer and worked solution →A moon spinning once per orbit, always showing one face, is said to have:Read the answer and worked solution →When the Sun and the Moon pull in line, the very high tides that result are called:Read the answer and worked solution →When the Sun and the Moon pull at right angles, the lower tides are called:Read the answer and worked solution →A watcher sees the Moon darken as it enters Earth's shadow. This event is a:Read the answer and worked solution →However long a total solar eclipse lasts, totality can never exceed about:Read the answer and worked solution →

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