EAPS 105 EXAM 1 QUESTIONS AND
ANSWERS
The percent of the Solar System's mass contained in the Sun. - Correct Answers -
99.9%
The percent of the mass of our Solar System's planets contained in Jupiter. - Correct
Answers -70%
What is an astronomical unit (AU). - Correct Answers -The distance from the Sun to the
Earth
The distance from the Sun that Jupiter is compared to Earth (in AU). - Correct Answers
-Jupiter is about 5 AU from the Sun.
Whether the distance from the Earth to the Moon is changing. - Correct Answers -True
Why Uranus and Neptune are called Ice Giants. - Correct Answers -They are giant
planets composed mainly of elements heavier than hydrogen and helium, such as
oxygen, carbon, nitrogen, and sulfur.
'Ice' in planetary science refers to volatile chemical compounds with freezing points
above about 100 K, such as water, ammonia, or methane.
Uranus' original name for 70 years. - Correct Answers –George
The processes that can generate a supernova. - Correct Answers -They can occur due
to the sudden gravitational collapse of a massive star's core.
When a white dwarf accretes material from a companion star causing it to gravitationally
compress, heat up, and explode, giving ride to more heavy elements.
Why low mass stars have heavy elements. - Correct Answers -From the remnants of
large supernovas
Where the atoms in your body come from (generally, not specifically). - Correct Answers
-Remnants of stars
Where the first helium atoms originated from. - Correct Answers -Some of the Hydrogen
ions from the Big Bang fused into Helium ions, generating heat and light.
ANSWERS
The percent of the Solar System's mass contained in the Sun. - Correct Answers -
99.9%
The percent of the mass of our Solar System's planets contained in Jupiter. - Correct
Answers -70%
What is an astronomical unit (AU). - Correct Answers -The distance from the Sun to the
Earth
The distance from the Sun that Jupiter is compared to Earth (in AU). - Correct Answers
-Jupiter is about 5 AU from the Sun.
Whether the distance from the Earth to the Moon is changing. - Correct Answers -True
Why Uranus and Neptune are called Ice Giants. - Correct Answers -They are giant
planets composed mainly of elements heavier than hydrogen and helium, such as
oxygen, carbon, nitrogen, and sulfur.
'Ice' in planetary science refers to volatile chemical compounds with freezing points
above about 100 K, such as water, ammonia, or methane.
Uranus' original name for 70 years. - Correct Answers –George
The processes that can generate a supernova. - Correct Answers -They can occur due
to the sudden gravitational collapse of a massive star's core.
When a white dwarf accretes material from a companion star causing it to gravitationally
compress, heat up, and explode, giving ride to more heavy elements.
Why low mass stars have heavy elements. - Correct Answers -From the remnants of
large supernovas
Where the atoms in your body come from (generally, not specifically). - Correct Answers
-Remnants of stars
Where the first helium atoms originated from. - Correct Answers -Some of the Hydrogen
ions from the Big Bang fused into Helium ions, generating heat and light.
