ASTRONOMY 1010 2025 FINAL EXAM GSU
WITH A+ GRADED ANSWERS
what is the average distance from the Sun of an object which takes 3 years to complete
one orbit? -
Answer C. slightly more than 2 AU
newton discovered the force on a planet that was required to explain its orbital motion.
What was the direction of this force? -
Answer B. inward, pointed towards the Sun.
which of these has the longest wavelength? -
Answer D. infrared radiation from your classmates
the sun's thermal energy output peaks in the visible part of the spectrum. compared to
this, what would describe the thermal radiation from a cooler star? -
Answer D. less total energy with a peak in the infrared
in hydrogen, an electron changing fro the first to the second orbital energy level would
account for what spectral line? -
Answer B. an absorption at an ultraviolet wavelength
a 10-inch aperture telescope would be a large telescope size for amateurs. how many
times more light is gathered by the Palomar 200-in telescope? -
Answer D. 400
which of these describes diffraction? -
Answer B. the spreading of a light beam after it passes through an opening
which describes the wavelengths of radiation form astronomical objects which can be
detected by telescopes on Earth's surface? -
Answer A. visible wavelengths (400-700 nm) & radio wavelengths greater than 1 mm
WITH A+ GRADED ANSWERS
what is the average distance from the Sun of an object which takes 3 years to complete
one orbit? -
Answer C. slightly more than 2 AU
newton discovered the force on a planet that was required to explain its orbital motion.
What was the direction of this force? -
Answer B. inward, pointed towards the Sun.
which of these has the longest wavelength? -
Answer D. infrared radiation from your classmates
the sun's thermal energy output peaks in the visible part of the spectrum. compared to
this, what would describe the thermal radiation from a cooler star? -
Answer D. less total energy with a peak in the infrared
in hydrogen, an electron changing fro the first to the second orbital energy level would
account for what spectral line? -
Answer B. an absorption at an ultraviolet wavelength
a 10-inch aperture telescope would be a large telescope size for amateurs. how many
times more light is gathered by the Palomar 200-in telescope? -
Answer D. 400
which of these describes diffraction? -
Answer B. the spreading of a light beam after it passes through an opening
which describes the wavelengths of radiation form astronomical objects which can be
detected by telescopes on Earth's surface? -
Answer A. visible wavelengths (400-700 nm) & radio wavelengths greater than 1 mm
