Stars/Sun/Heliology/Quiz

From Wikiversity
< Stars‎ | Sun‎ | Heliology
Jump to navigation Jump to search
This is an infrared image of the Sun. Credit: National Solar Observatory, Kitt Peak, Arizona USA.

Heliology is a lecture describing the science of the Sun.

You are free to take this quiz based on the lecture heliology 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 %.

As a "learning by doing" resource, this quiz helps you to assess your knowledge and understanding of the information, and it is a quiz you may take over and over as a learning resource to improve your knowledge, understanding, test-taking skills, and your score.

Suggestion: Have the lecture available in a separate window.

To master the information and use only your memory while taking the quiz, try rewriting the information from more familiar points of view, or be creative with association.

Enjoy learning by doing!

Quiz[edit]







  

1

Complete the text:

The

longitude (λ2) is measured from the central meridian as it passes through the

node of the solar equator at

noon on January 1, 1854 (JD 2398220.0) and rotating with the

period of 25.38 Earth days.

2

Yes or No, Boron is the third most abundant element detected on the Sun.

TRUE
FALSE

3

Complete the text:

Hoyle notes that he and others in the

circles to which he was privy continued until after the

to believe that the Sun was made mostly of

internally.

4

True or False, The Sun has no specific heliographic feature that allows the direct derivation of longitude and latitude.

TRUE
FALSE

5

The core of the Sun was believed to be made mostly of iron to explain what?

the source of neutrinos
the Sun's global magnetic field
the existence of magnetic poles like the Earth
the rotation of the Sun
surface differential rotation of the Sun
magnetic field reversals like the Earth

6

True or False, Sunspots are holes in the surface of the Sun.

TRUE
FALSE

7

Complete the text:

Match up the structure of the Sun with the characteristic or property:
radiative zone - L
core - M
convection zone - N
dynamo - O
tachocline - P
photosphere - Q
atmosphere - R
temperature region - S
chromosphere - T
transition region - U
corona - V
heliosphere - W
diffusion rather than convection

.
bow shock

.
weakly ionized, relatively cold and dense plasma

.
X-ray emission

.
normally invisible

.
circular mass movement of plasma

.
coolest layer of the Sun

.
shear between different parts of the Sun that rotate at different rates

.
above the photosphere

.
transition from almost uniform to differential rotation

.
150 g/cm3

.
ultraviolet emission

.

8

True or False, The Sun is the third most abundant entity in the solar system.

TRUE
FALSE

9

What features occasionally show a heliographic distribution on the surface of the Sun?

granulation or supergranulation
active regions
coronal holes
the north an south heliographic poles
sunspots
latitudinal bands that rotate at different rates

10

True or False, Using transits of the Sun by Mercury demonstrates that the Sun is most likely located well within the orbit of Mercury.

TRUE
FALSE

11

Complete the text:

Match up a heliographic feature of the Sun with a heliographic property:
sunspots - L
polar coronal holes - M
coronal mass ejection - N
coronal loops - O
flares - P
photosphere - Q
atmosphere - R
106 temperature region - S
chromosphere - T
transition region - U
corona - V
heliosphere - W
begin to appear at high latitudes and move toward the equator

.
hemispherically centered on the solar equator

.
uniform and independent of latitude and longitude

.
intensity tracks with active regions

.
uniformly active above the photosphere

.
tracks with flaring

.
tracks with flares, loops, and active regions

.
tracks with active regions away from sunspots

.
differential rotation with latitude

.
track in active regions with sunspots

.
appear around the magnetic poles and track with them

.
forms a kind of nimbus around chromospheric features such as spicules and filaments, and is in constant, chaotic motion, viewed in the ultraviolet

.

12

True or False, The Sun must be located at the barycenter of the solar system.

TRUE
FALSE

13

What effects does the distribution of angular momentum in the solar system have on the origin of the Sun?

an initially spherical and contracting nebula spinning faster as it collapses would produce the present situation in the solar system
partitioning mass and angular momentum does not seem possible with a contracting nebula
the rotation axis of the Sun from that of the system as a whole if formed by nebular collapse seems very unlikely
the angular-momentum problem does not arise with the accretion theory
surface differential rotation of the Sun results
by the nature of the floccule process the star so formed will have little angular momentum

14

True or False, For the photosphere to have a net negative charge and interstellar electrons to be streaming into the solar system, the sign of the voltage at the Sun is positive.

TRUE
FALSE

15

Complete the text:

Match up the structure of the proto-Sun with the heliogonic characteristic or property:
radiative zone - L
core - M
convection zone - N
dynamo - O
tachocline - P
photosphere - Q
atmosphere - R
temperature region - S
chromosphere - T
transition region - U
corona - V
heliosphere - W
apparent outer surface

.
just above the radiative zone

.
top of the radiative zone

.
part of the heliosphere

.
below the corona and above the photosphere

.
below the protostar's radiative zone

.
coolest layer in the protoplanetary disc

.
shear between different parts of the Sun that rotate in the radiative zone

.
above the photosphere

.
transition from almost uniform to differential between radiative and convective zones

.
probably not differentiated as a protostar

.
between the protoplanetary disc and the heliosphere

.

16

True or False, In a cyclotron on Earth 261Rg can be created using about 290 MeV to accelerate say 64Ni into bismuth, in a coronal loop or flare in the atmosphere of the Sun where up to about 400 MeV expenditures have been detected, nickel can be accelerated up to about 290 MeV into bismuth to create roentgenium.

TRUE
FALSE

17

Complete the text:

Match up the likely type of star fission with each of the possibilities below:
a triple-component stellar multiple - A
massive star fission - B
semidetached binary - C
a separating close contact binary - D
ZAMS system - E
tight, circular orbit, impossible to tell eclipses - F
lobate star - G
coronal mass ejection - H
BH Centauri

.
Plaskett's Star (HR 2422)

.
Betelgeuse

W Ursae Majoris

.
Beta Lyrae

.
V1010 Ophiuchi

object is confirmed to be co-moving

.
Sun

.

18

True or False, The differential profile of the Sun's surface extends into the solar interior as rotating cylinders of constant angular momentum.

TRUE
FALSE

19

Complete the text:

Match up the stellar image with the radiation astronomy:
meteor astronomy - A
neutrino astronomy - B
gamma-ray astronomy - C
X-ray astronomy - D
ultraviolet astronomy - E
visual astronomy - F
violet astronomy - G
blue astronomy - H
yellow astronomy - I
red astronomy - J
orange astronomy - K
infrared astronomy - L
radio astronomy - M
280557main oblate purplesun HI.jpg

.
Wfullb.jpg

.
Coronal Mass Ejection.gif

.
Sun image through solar telescope.jpg

.
Sun in X-rays Recovered.png

.
Sun5GHz.jpg

.
STEREO B EUVI 171.jpg

.
Neusun1 superk1.jpg

.
Orange Sun in Boracay, Philippines.jpg

.
Sun920607.jpg

.
Latest nsoHe.gif

.
Blueberrysun friedman 1296.jpg

.
Gamma sun.jpg

.

20

Which of the following are characteristics of a solar-like binary?

Teff ≤ 6000 K
break up of a triple-component stellar system
none of the captured bodies localize near the Sun
some captured bodies may localize near Jupiter
the Jupiter system may be a control group

21

Which of the following is not a spectral class G star?

Alpha Centauri A
Capella
Sun
Procyon
Tau Ceti
Kepler-22

22

Which of the following are radiation astronomy phenomena associated with Afghanistan?

the Ai Khanoum Sun dial
Cybele
An orange sunset in the Mahim Bay
a black sky without stars
the zenith
Helios

23

Which of the following are phenomena usually associated with a heliostat?

geographic coordinates
a mirror which turns so as to keep reflecting sunlight toward a predetermined target
the target is usually stationary
computer control
a two-axis motorized system
altitude

24

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

25

Complete the text:

Match up the letter for the object name with the radio or radar image below:
Sun - A
Mercury - B
Venus - C
Earth - D
Moon (South Pole) - E
Moon (North Pole) - F
Moon (850 micron thermal emission) - G
Mars (North Pole cross section) - H
Toustatis - I
Jupiter - J
Saturn - K
Titan - L
Interstellar medium - M
Milky Way - N
3C 98 - O
3C 31 - P
3C 380 - Q
Moon (self radiation) - R
NGC 4151 - S
GRS 1915 - T
M87 - U
3C 279 - V
IRC+10216 - W
Boomerang nebula - X
R Sculptoris - Y
PIA10008 Seas and Lakes on Titan.jpg

.
3C 380 bent.jpg

.
The Moon's North Pole.jpg

.
Curious spiral spotted by ALMA around red giant star R Sculptoris (data visualisation).jpg

.
Bhexplode merlin big.gif

.
Allsky408.jpg

.
Permanently Shadowed Polar Craters.jpg

.
Ghostly 'Boomerang'.jpg

.
Nhsc2010-011a.jpg

.
PIA13164 North Polar Cap Cross Section, Annotated Version.jpg

.
Moon 4panels2 col.jpg

.
M87 jet Hubble.gif

.
Sun5GHz.jpg

.
3c279 mosaic lo.jpg

.
PIA07872 Saturn's rings in radio.jpg

.
Radio galaxy 3C98.png

.
Ngc4151stis.gif

.
Jupiter radio image.jpg

.
Moon at 850 microns.gif

.
Radio galaxy 3C31.png

.
HIsky.jpg

Venus globe.jpg

Toutatis.jpg

.
Moon South Pole.jpg

.
Antarctica2.jpg

.

26

Complete the text:

Match up the object viewed in the ultraviolet with its image:
Sun's chromosphere- L
calcite - M
Venus - N
Jupiter's aurora - O
Jupiter - P
Io - Q
Saturn - R
Betelgeuse - S
Mira - T
LAB-1 - U
Messier 101 - V
STEREO B EUVI 171.jpg

.
Opo9913e.jpg

.
Mira the star-by Nasa alt crop.jpg

.
Venuspioneeruv.jpg

.
Aurora Saturn.jpg

.
Jupiter.Aurora.HST.UV.jpg

.
Lyman-alpha blob LAB-1.jpg

Betelgeuse star hubble-580x580.jpg

.
Hubble Space Telescope Image of Fragment BDGLNQ12R Impacts.jpg

.
Calcite LongWaveUV HAGAM.jpg

.
M101 UIT.gif

.

27

Complete the text:

Match up the letter of the spherical object with each of the possibilities below:
Sun - A
Mercury - B
Venus - C
Earth - D
Moon - E
Mars - F
Ceres - G
Jupiter - H
Callisto - I
Europa - J
Ganymede - K
Io - L
Enceladus - M
Titan - N
Uranus - O
Titania - P
Neptune - Q
Triton - R
Pluto - S
Enceladus in the Visual.jpg

.
Triton moon mosaic Voyager 2 (large).jpg

.
Io highest resolution true color.jpg

.
Vg1 1567237.tiff

.
Ceres optimized.jpg

.
Europa-moon.jpg

.
Titania (moon) color, edited.jpg

.
Pluto animiert.gif

.
The Earth seen from Apollo 17.jpg

.
Uranus2.jpg

.
Moon Farside LRO.jpg

.
Callisto.jpg

.
Moon Ganymede by NOAA.jpg

.
Neptune.jpg

.
Two Halves of Titan.png

.
HI6563 fulldisk.jpg

.
2005-1103mars-full.jpg

.
Venus-real color.jpg

.
Mercury in color - Prockter07 centered.jpg

.

28

Which of the following are green radiation astronomy phenomena associated with the Sun?

the color of the upper rim as seen from Earth
an excess brightness at or near the edge of the Sun
the iron XIV green line
neutron emission
polar coronal holes
meteor emission
changes in the line-blanketing

29

Complete the text:

Match up the type of Sun system astrogony with each of the possibilities below:
Babylonian epic story of creation - A
a primordial or first Greek god - B
the primeval chaos - C
creation of heaven and earth - D
Greek god personifying the sky - E
Cronus (Saturn) castrating his father - F
separation of the waters by a firmament

.
Chaos magno

.
Uranus

.
watery abyss

.
Ouranos

Enuma Elish

.

30

Which of the following are associated with the dynamo of the Sun?

plate tectonics in its past
dipole magnetic field
it is spheroidal
stripes of crustal magnetism
a circular electric current flowing deep within the star
it appears to be in hydrostatic equilibrium
transform faults
shear between different parts of the Sun
two natural satelites
it has a radiative zone

31

Nuclear physics phenomena associated with the atmosphere of the Sun are

symbiotic novae
coronal loops acting like particle accelerators
nanoflares
high atmospheric pressure
deuterium
emitted neutrons

32

Which of the following sunspot phenomena are associated with the Maunder minimum?

extensively long quiet Sun
lowest 14C concentration from as far back as 1100 BP.
a period of lower-than-average European temperatures
a surface coverage of about 88%
only about 50 sunspots during one 30-year period
11-year cycles

33

Complete the text:

Match up the likely surface fusion activity with the image:
CME - A
coronal clouds - B
solar flare - C
neutrinos from the solar octant - D
coronal loops - E
prominences - F
Neusun1 superk1.jpg

.
Coronal Mass Ejection.gif

.
SDO first light.png

.
Rhessi0269 web.jpg

.
Solar flare (TRACE).gif

Sun in X-rays Recovered.png

.

34

Complete the text:

Match up the item letter with each of the possibilities below:
Hydrogen - H, or D
Helium - He
Lithium - Li
Beryllium - Be
Boron - B
Carbon - C
Nitrogen - N
Oxygen - O
Fluorine - F
Neon - Ne
consumed in chromosphere fusion to produce lithium and neutrinos

.
isotope fusion in the chromosphere producing neutrinos

fusion in the chromosphere producing the most neutrinos

.
a factor of ~200 below meteorite abundance in the Sun's photosphere

.
detected with X-rays on the Moon

.
an organic form detected in Allan Hills 84001 probably from Mars

.
detected marginally on Venus with Chandra

.
found in the X-ray spectra of comets

.
consumed to produce beryllium and neutrinos

.
a surface impurity on meteorites

.


Hypotheses[edit]

  1. Throughout hominin history the Sun may not have been the only very close-by star.

See also[edit]

External links[edit]