Description
Question 1
- The outermost layer of the Sun is called the ____________
ionosphere | ||
corona | ||
photosphere | ||
chromosphere |
Question 2
- During periods of high solar activity, huge cloudlike structures that appear as great arches extending from the Sun are often produced. These solar features are called_________.
the solar wind | ||
spicules | ||
plages | ||
prominences |
Question 3
- True or False: For an optical telescope, the size of the primary mirror does not matter. The same number of photons will be collected whether the telescope has a small or large primary mirror.
True
False
Question 4
- The main two methods of heat/energy transfer within the Sun are _________ and __________.
convection and radiation | ||
conduction and radiation | ||
convection and conduction | ||
convection and ionizing |
Question 5
- The CCD (charged-coupled device) is a(n):
array of electrodes used on spacecraft to detect charged particles such as electrons and protons | ||
detector in which a small electric current is controlled by a bimetallic strip that expands and contracts in response to infrared radiation | ||
array of small light-sensitive cells that can be used in place of photographic film to obtain a picture | ||
electronic filter to single out one wavelength or set of wavelengths for studying astronomical objects |
Question 6
- Which of the following statements is TRUE?
Visible light is not part of the electromagnetic spectrum | ||
Visible light takes up only a very small part of the total range of wavelengths in the electromagnetic spectrum | ||
Visible light takes up most (but not all) of the total range of wavelengths in the electromagnetic spectrum | ||
Visible light takes up all of the electromagnetic spectrum |
Question 7
- How come we can see a ‘surface’ of the sun if it is really just a ball of gas? Why don’t we see right through the Sun?
The gas particles are too big, they have large diameters | ||
The gas particles are heavy | ||
The gas particles are packed very dense in the Sun | ||
The gas particles put on their cloaking devices. |
Question 8
- Where on the Sun do sunspots occur?
the photosphere | ||
the corona | ||
the core | ||
the chromosphere |
Question 9
- Light can be described as a stream of fast-moving “bundles of energy” called ___________, which travel as waves.
Question 10
- You can get a sunburn from being out in the Sun too long. Sunburns are caused by which type of heat/energy transfer from the Sun to your Skin?
Sunburn Waves | ||
Conduction Waves | ||
Radiation Waves | ||
Convection Waves |
Question 11
- True or False: All light waves travel at the same speed
True
False
Question 12
- Sunspots appear dark because they are cooler than the surrounding solar surface.
True
False
Question 13
- The layer of the Sun that radiates most of the light that reaches Earth is called the___________.
photosphere | ||
corona | ||
ionosphere | ||
megasphere | ||
chromosphere |
Question 14
- The main optical element in a refracting telescope is a ______.
mirror | ||
combination of many small plane mirrors | ||
prism of glass | ||
lens |
Question 15
- Which of the following colors has the longest wavelength?
orange | ||
green | ||
violet | ||
blue | ||
red |
Question 16
- To determine whether a celestial body is approaching or receding from Earth, astronomers employ ____________.
Telescopic imaging | ||
the Doppler principle | ||
Einstein’s equation | ||
Kepler’s first law | ||
the Stefan-Boltzmann law |
Question 17
- This Sun is composed almost entirely of two gases. They are Blank 1 and Blank 2.
Question 18
- The light-gathering power of a telescope is related directly to the _______.
focal length of the mirror or lens | ||
area of the mirror or lens | ||
image quality of its optics | ||
length of the telescope tube |
Question 19
- Which of the following is NOT considered a form of electromagentic radiation?
radio waves | ||
gamma rays | ||
gravity | ||
visible light | ||
x-rays |
Question 20
- The Sun’s surface has a grainy texture produced by numerous bright markings called__________.
umbras | ||
spicules | ||
granules | ||
sunspots |
Question 21
- The Sun’s source of energy at the present time is thought to be
gravitational contraction. | ||
thermonuclear fission (splitting) of heavy elements into hydrogen. | ||
chemical burning of hydrogen gas with oxygen. | ||
thermonuclear fusion (combining) of hydrogen atoms. |
Question 22
- In the case of light, when a source is moving away, its light appears redder than it actually is.
True
False
Question 23
- What name is given to the visible “surface” of the Sun?
corona | ||
prominence | ||
chromosphere | ||
photosphere |
Question 24
- Which of the following is FALSE regarding our Sun
The Sun is normal, main sequence star | ||
The Sun is the closest Star to Earth | ||
The Sun used fusion to fuel itself | ||
The Sun is smaller in diameter than Jupiter, the largest planet in our Solar System |
Question 25
- The Hubble Space Telescope (HST) is an optical telescope
True
False
Reviews
There are no reviews yet.