ASTRO 7N EXAM 2 FINAL PAPER 2026
COMPLETE QUESTIONS AND ANSWERS
◉ On a star diagram, what star has two solar radii? Answer: the star
near the middle of the diagram
◉ Which of the following is NOT a basic determining factor to the
size and shape of an alien, according to Darren Campo? Answer:
Life-span
◉ The "onion skin" model has to do with Answer: different fusion
zone layers in a very massive star as it is near the end of its life
◉ Which of the following is TRUE? (star life) Answer: some stars live
only 10 million years
◉ Charged particles that come from the Sun's surface are called
Answer: the solar wind
◉ Image of a lot of galaxies inter-tangled together... Answer:
Supernova remnant
◉ What kind of galaxy is the white egg looking thing? Answer: E5
, ◉ If you wanted to design a form of animal life capable of living on
the very young Earth (about 4 billion years ago), which of these
gases would at that time be most plentiful for it to breathe? Answer:
carbon dioxide
◉ Which mysterious phenomena do scientists attribute to dark
energy? Answer: The increasing rate of expansion of the Universe.
◉ In additive color mixing, like on a computer monitor, the
combination of all three primary colors results in ... Answer: White
◉ The main-sequence turnoff of a star cluster tells us the cluster's
Answer: age.
◉ What kind of a gas cloud can collapse and form stars? Answer:
The gas cloud must have a mass that exceeds the Jeans mass so that
gravity overcomes the internal pressure in the cloud.
◉ The open clusters were a population of relatively young stars, so
where would you expect to see them from here? Answer: In the disk
◉ What is the image of a bunch of space dust with a red light in the
middle? Answer: V838 Mon nova
COMPLETE QUESTIONS AND ANSWERS
◉ On a star diagram, what star has two solar radii? Answer: the star
near the middle of the diagram
◉ Which of the following is NOT a basic determining factor to the
size and shape of an alien, according to Darren Campo? Answer:
Life-span
◉ The "onion skin" model has to do with Answer: different fusion
zone layers in a very massive star as it is near the end of its life
◉ Which of the following is TRUE? (star life) Answer: some stars live
only 10 million years
◉ Charged particles that come from the Sun's surface are called
Answer: the solar wind
◉ Image of a lot of galaxies inter-tangled together... Answer:
Supernova remnant
◉ What kind of galaxy is the white egg looking thing? Answer: E5
, ◉ If you wanted to design a form of animal life capable of living on
the very young Earth (about 4 billion years ago), which of these
gases would at that time be most plentiful for it to breathe? Answer:
carbon dioxide
◉ Which mysterious phenomena do scientists attribute to dark
energy? Answer: The increasing rate of expansion of the Universe.
◉ In additive color mixing, like on a computer monitor, the
combination of all three primary colors results in ... Answer: White
◉ The main-sequence turnoff of a star cluster tells us the cluster's
Answer: age.
◉ What kind of a gas cloud can collapse and form stars? Answer:
The gas cloud must have a mass that exceeds the Jeans mass so that
gravity overcomes the internal pressure in the cloud.
◉ The open clusters were a population of relatively young stars, so
where would you expect to see them from here? Answer: In the disk
◉ What is the image of a bunch of space dust with a red light in the
middle? Answer: V838 Mon nova
