The observation of parallax was experimental proof that the Earth is _______________ around the Sun.

This planet resembles the Earth in several ways – they have similar average density, mass, size and surface gravity.

This drawing can be used to show what?

The name given to the point of a planet’s orbit that is closest to the Sun is _____________.

Kepler’s first law states that the orbits of the planets around the Sun are ____________

The terrestrial planets have ______________________.

The bronze doors of the Abbey Church of Saint Michael (10.27) were commissioned by _______.

Cistercian architecture is characterized by ________.

Compare the Cross page, from the Lindisfarne Gospels (10.5) to the Chi Rho Iota page from the Gospel of Matthew, Book of Kells (10.8).

The Tomb of the Samanids (9.12) was derived in part from the form of a ________used for Zoroastrian worship.