5 Written questions
5 Matching questions
- To a physicist, a blackbody is defined as an object that
- Which of the following is a critical component of the scientific method?
- In the geocentric model of the solar system developed by Ptolemy, the planets move
- The term retrograde motion from a planet refers to the
- If a modern astronomer describes a faint star as being in the constellation Cygnus, the Swan, you know that the star is
- a in circular epicycles while the centers of the epicycles move in circular orbits around the Earth.
- b temporary reversal of the planet's normal west-to-east motion past the background stars as seen from the Earth.
- c testing of prediction from a scientific theory or theoretical model.
- d absorbs all radiation that falls on it.
- e somewhere within a particular region of sky having definite boundaries.
5 Multiple choice questions
- Right ascension
- closer to the Earth than the Sun is.
- Olympic swimmer exerting considerable force to maintain a constant speed in a straight line through the water.
- rotation of Earth on it axis.
- Newton's laws showed that planets can move around the Sun by themselves forever, without coming to rest.
5 True/False questions
At what point in a planetary orbit is that planet's speed the slowest? → at aphelion.
The Copernican system for planetary motion is → Sun-centered, with the planets moving in perfect circles around the Sun.
According to modern atomic theory, light emitted by atoms originates from → the direction of an object's motion changes.
The time period between two successive passages of a planet through the position of opposition is → its synodic period.
the energy flux, F, from a star is the amount of → Sun-centered, with the planets moving in perfect circles around the Sun.