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This is an infrared image of Neptune using adaptive optics (AO). Credit: NASA/JPL-Caltech/Cornell.

Planetary astronomy is a lecture focused on a specific type of astronomical object and the effects on it of revolving around one or more stars.

You are free to take this quiz based on planetary astronomy at any time.

To improve your score, read and study the lecture, the links contained within, listed under See also, External links, and in the {{radiation astronomy resources}} template. This should give you adequate background to get 100 %.

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Enjoy learning by doing!

Quiz

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1 Johannes Kepler is not known for which of the following?

being an astrologer
a key figure in the 17th century scientific revolution
Euclidean geometry
projective geometry
if a straight line is extended to infinity it will meet itself at a single point at infinity, thus having the properties of a large circle
Rudolphine Tables

2 Who first proposed the hypothesis that the Sun is at rest, while the Earth and the planets rotate about the Sun?

3 Which of the following is associated with Pluto?

a dwarf planet
a member of the Oort belt
the northern polar region has brightened
the southern polar region has darkened
its overall redness has decreased
extreme axial tilt

4 Yes or No, To ancient astronomers stars remain relatively fixed over the centuries while planets move an appreciable amount during a comparatively short time.

Yes
No

5 Venus is not known historically for which of the following?

being in orbit around the Sun in 10,000 b2k
imaged by the Magellan probe
a gas dwarf when viewed in the ultraviolet
almost as large as the Earth
may have appeared comet-like in human memory
having a high surface temperature

6 Which of the following is not a phenomenon associated with Ceres?

the smallest identified dwarf planet
Ceres is spheroidal
it is in orbit around the Sun
it appears to be in hydrostatic equilibrium
it has not cleared its neighborhood
Ceres is one of the two natural satelites of Mars

7 True or False, The observations of planetary motion agree with computed orbits to the accuracy of the observations.

TRUE
FALSE

8 Before the current era and perhaps before 6,000 b2k which classical planet may have been green?

9 True or False, The astronomer Clyde Tombaugh is the discoverer of Charon.

TRUE
FALSE

10 Before the current era and perhaps before 6,000 b2k which classical planet may have been observed as a pole star for the Earth?

11 True or False, A planet has been referred to as a moving light in the sky.

TRUE
FALSE

12 Which of the following is not a studied characteristic of a planet?

an orbit around a star
a hydrostatic equilibrium (nearly round) shape
nucleosynthesis
has cleared the neighbourhood around its orbit
an initially fractionated elemental composition

13 True or False, The average value of the radius of the Earth's orbit around the Sun is a displacement.

TRUE
FALSE

14 Which of the following may be characteristic of orbital theory?

a hyperbolic pass
stellar association
may point away from a stellar association
eccentricity
obliquity
precession


Hypotheses

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Main resource: Hypotheses
  1. The astronomy of planets is the essence of the effects on astronomical objects of revolution around one or more stars, stellar-like objects, or sub-stars.

See also

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