History of Astronomy

Front

What was Tycho Brahe's biggest contribution to astronomy?

Back

Accurate Observations of the stars and planets.

Front

What are the two points around which an ellipse is drawn?

Back

Foci.

Front

List the correct order of waves on the Electromagnetic Spectrum.

Back

Radio, Microwave, Infrared, Visible, Ultraviolet, X-ray, Gamma ray.

Front

What is the distance between the Sun and the Earth called?

Back

An Astronomical Unit (AU).

Front

What did ancient astronomers use 'epicycles' to explain?

Back

Retrograde Motion.

Front

What is the definition of an Astronomical Unit (AU)?

Back

The average distance from the Earth to the Sun, approximately 93 million miles.

Front

Who proposed the heliocentric model of the solar system?

Back

Nicolaus Copernicus.

Front

What is retrograde motion?

Back

The apparent backward movement of a planet as observed from Earth.

Front

What is the significance of the electromagnetic spectrum in astronomy?

Back

It helps astronomers understand the different types of radiation emitted by celestial objects.

Front

What is the role of a telescope in astronomy?

Back

To magnify distant objects and collect more light for observation.