Radiation astronomy/Showers/Quiz

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The Andromedids of 27 November 1872 is a product of the breakup of Biela's Comet several decades previously. Credit: Amedee Guillemin.

Meteor-shower radiation astronomy is a lecture for the radiation astronomy department course on the principles of radiation astronomy.

You are free to take this quiz based on meteor-shower radiation astronomy at any time.

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Quiz[edit]







  

1

What may be the first astronomical source of the rocky objects in the solar system?

Jupiter
the solar wind
the diffuse X-ray background
Saturn
Mount Redoubt in Alaska
the asteroid belt
the former protoplanetary disc around the Sun
the Oort cloud
the Kuiper belt

2

Which of the following is not a radiation phenomenon associated with a comet?

airglow
elongated dust particles
high albedo
olivine
Rayleighs
coronal mass ejection

3

With respect to protoplanetary disks what green mineral has been found?

4

Which of the following are astronomical phenomena associated with the Sun as a likely source?

coronal clouds
cosmic rays
neutrinos
Oh My God type particles
meteors
comets
blue rays

5

Complete the text:

Match up the item letter with each of the cosmogonic possibilities below:
interior models of the giant planets - A
high interest for cosmogony, geophysics and nuclear physics - B
hierarchical accumulation - C
clouds and globular clusters - D
cosmic helium abundance - E
deuterium fusion - F
a large deficiency of light elements - G
after galactic sized systems had collapsed - H
the motions of hydrogen

formation of luminous quasars

.
stars with an initial mass less than the solar mass

.
rotating liquid drops

.
primordial is less than 26 per cent

.
a solar mixture of elements dominated by hydrogen and helium gas

.
around 13 Jupiter masses

.
smaller rocky objects

.

6

The charge on a planetary dust particle may change with?

7

Which weather phenomena are most likely to interfere with observing meteor showers?

a late-summer rainstorm
a clear sky
an approaching dust storm
below normal temperatures
a typhoon
a snow fall
fog

8

A thin-section of a meteorite that may be analyzed has which of the following?

a great many light gray and dark gray chondrules present
large grain cross sections making sizing easy
an available sizing or magnification marker
independent verification as a meteorite
correctable diameters and relative abundances
optical conditions

9

Various gaps and density minima have been observed in the Saturnian

system.

10

Complete the text:

From the IMO working list of meteor showers, ūĚõÖ-Leonids and meteors from the Antihelion Source were detected. For the first time,

were detected in the

domain.

11

True or False, The center of the large Anthelion (ANT) radiant is currently located at 19:24 (291) -22.

TRUE
FALSE

12

Usually associated with clouds filling the sky, thunder and lightning, wind and what water based meteorites

13

True or False, A lithometeor is a rocky-object meteor.

TRUE
FALSE

14

Meteorites found on Earth may be from which of the following?

Saturn
Mercury
the Moon
the asteroid belt
Jupiter
Mars
Earth

15

True or False, A cryometeor is a very large chunk of amber.

TRUE
FALSE

16

Complete the text:

An aerometeor is a

unit of air traveling or

through an atmosphere.

17

True or False, A metallic or stony object that is the remains of a meteor is called a meteoroid.

TRUE
FALSE

18

On 19 May 1910, the Earth actually passed through the tail of what comet.

19

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

TRUE
FALSE

20

A cloud at nearly a quarter of the distance to Proxima Centauri is called the

21

Yes or No, The current orbit of Halley's Comet does not pass close enough to the Earth to be a source of meteoric activity.

No
Yes

22

Which phenomena are associated with the heliosphere?

a region of space where the interstellar medium is blown away by the solar wind
a bubble in space
virtually all the material emanates from the Sun itself
Voyager 2
Voyager 1
the termination shock

23

True or False, The prismoidal method provides a good approximation of the dust emission peak for cold sources.

TRUE
FALSE

24

A natural rocky source of chemicals from the sky to the ground may originate from what astronomical source?

Jupiter
the solar wind
the diffuse X-ray background
Mount Redoubt in Alaska
the asteroid belt
the International Space Station

25

True or False, A new cosmogony predicts that all particles in one stream have the same mineral composition.

TRUE
FALSE

26

Complete the text:

The majority of known asteroids orbit the Sun between the orbits of

and

.

27

True or False, For daytime showers, it is custom to add 'Daytime', hence the name for the 'Daytime Arietids' in June as opposed to the Arietids in October.

TRUE
FALSE

28

Which of the following are radiation astronomy phenomena associated with the gaseous-object Neptune?

Voyager 2
blue rays
clouds
neutron emission
polar coronal holes
meteor emission
rotation

29

True or False, The visible path of a meteoroid that has entered the Earth's atmosphere is called a meteorite.

TRUE
FALSE

30

Which of the following is not a characteristic of showers?

throwing a beam
meteors
rain
snow
hail

31

True or False, Micrometeoroids have less stable orbits than meteoroids.

TRUE
FALSE

32

Any natural object radiating through a portion or all of a natural object's atmosphere may be called a what?

33

True or False, Olivine is a silicate mineral that may be detected in cometary coma dust with green astronomy.

TRUE
FALSE

34

Observations of comets have benefited greatly from what phenomenon of cyan astronomy?

Cherenkov radiation
the electric blue glow of lightning
gas-expansion velocity decreases with increasing heliocentric distance
methane possesses prominent absorption bands in the visible
adaptive optics
the light of the neutral CN-radical

35

Yes or No, A cometary orbit about the Sun is a radiation astronomy phenomenon.

Yes
No

36

Which of the following is not a radiation phenomenon associated with a planet?

airglow
elongated dust particles
high albedo
olivine
Rayleighs
coronal mass ejection


Hypotheses[edit]

  1. Meteors range in size from galaxy clusters to dust grains and molecular clusters.

See also[edit]

External links[edit]

{{Radiation astronomy resources}}