A _____ is a telescope designed to capture images of faint objects such as the corona of the Sun that are near relatively bright objects.
A) compound telescope
B) coronagraph
C) corona loop
D) filler telescope
Question 2Which of the following has been established through helioseismology observations?
A) The Sun's magnetic field is generated by the dynamo effect at the bottom of the convection zone deep under the photosphere.
B) Magnetic fields are observed on Earth because of the presence of an ionized atmosphere.
C) When seen through the naked eye, prominences look black because of emission in the three hydrogen Lyman series lines.
D) Solar flares are found to occur in regions where identically directed magnetic fields meet.
Question 3A sunspot maximum occurred in the year 2015. If the solar cycle continues, the year of the sunspot maximum that immediately follows the 2015 cycle maximum will be _____.
A) 2026
B) 2020
C) 2016
D) 2030
Question 4In the context of electron shells, a positive ion is an atom with:
A) fewer electrons than protons.
B) a missing nucleus.
C) missing orbits.
D) fewer protons than electrons.
Question 5The lowest energy level an electron can occupy is called the _____.
A) ground state
B) ionization level
C) redshift
D) Doppler shift
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