5 Written questions
5 Matching questions
- At what point in a planetary orbit is that planet's speed the slowest?
- According to Newton's laws, a for must be acting whenever
- Which of the following sequences of electromagnetic radiation is correct, in order of increasing energy of the photons?
- When Saturn is closest to the Earth, it is at
- Kepler's first law states that a planet moves around the Sun in a(n)
- a the direction of an object's motion changes.
- b elliptical orbit, with the Sun at one focus.
- c opposition.
- d at aphelion.
- e visible light, UV radiation, X rays, gamma rays
5 Multiple choice questions
- at all wavelengths, with a peak at one particular wavelength (color).
- in circular epicycles while the centers of the epicycles move in circular orbits around the Earth.
- shows absorption features where light has been absorbed by the atoms of the cool gas.
- bending of light as it enters a dense but transparent material at an angle to the perpendicular to the surface of the material.
- they agree with what we find in experiments and observations.
5 True/False questions
In the system of celestial coordinates that matches latitude and longitude on the Earth, which in the coordinate that is equivalent to longitude? → point where the Sun crosses the celestial equator moving northward in its path across the sky.
The Copernican system for planetary motion is → are 88 in number and cover the entire sky.
The time period between two successive passages of a planet through the position of opposition is → its synodic period.
Visible wavelengths of electromagnetic radiation have a range of wavelengths of → temporary reversal of the planet's normal west-to-east motion past the background stars as seen from the Earth.
From a location in the northern hemisphere, the pole star always appears at an angle above the northern horizon equal → celestial equator and the star, measured along a great circle passing through both celestial poles.