5 Written questions
5 Matching questions
- Why was adaptive optics developed?
- The time period between two successive passages of a planet through the position of opposition is
- One difference between violet light and red light is that
- In the system of celestial coordinates that matches latitude and longitude on the Earth, which in the coordinate that is equivalent to longitude?
- In the 1860s, James Clerk Maxwell carried out important investigations on the nature of light when he
- a violet light has a shorter wavelength than red light.
- b Right ascension
- c to compensate for image distortion caused by the Earth's atmosphere.
- d its synodic period.
- e proved mathematically that light could b described by oscillating electric and magnetic fields.
5 Multiple choice questions
- shows absorption features where light has been absorbed by the atoms of the cool gas.
- distance that light travels in one year.
- parabolic shape.
- The air molecules scatter blue light better than red light, so more blue light reaches our eyes.
5 True/False questions
Why were Newton's three laws so important to astronomy? → Yes, On a summer night many of the constellation you can see are different from the constellations you can see on a winter night. But there are some constellations you can see all year long.
In the geocentric model of the solar system developed by Ptolemy, the planets move → in circular epicycles while the centers of the epicycles move in circular orbits around the Earth.
The ecliptic can be defined as the → path traced out by the Sun in our sky over one year against the background stars.
What evidence do we have that the Sun contains the element iron? → at all wavelengths, with a peak at one particular wavelength (color).
The Copernican system for planetary motion is → are 88 in number and cover the entire sky.