SCMH 1010- Exam 4; Whitt | UPDATED Questions with 100% Verified
Answers
Question:
The nature of stars is that they
Answer:
have a life cycle of change through time
Question:
Which of the following variables would not be among an
astronomer's data?
Answer:
sound
Question:
Why do astronomers currently prefer orbiting telescopes over
Earth-based telescopes?
Answer:
many of the regions of electromagnetic radiation are absorbed in our atmosphere
Question:
The sun and other stars generate energy through _____
reactions
Answer:
nuclear fusion
Question:
The solar wind:
Answer:
affects the magnetic fields of planets
Question:
Earth's northern lights are caused by:
, Answer:
Earth's magnetic field
Question:
Most of the Sun's energy output falls in the ______ wavelength
range
Answer:
visible light
Question:
The end products of fusion in the sun's core will be
Answer:
helium isotopes, protons, and gamma rays
Question:
Red giants can be described as:
Answer:
large stars that have cool surfaces
Question:
This scientist showed that the absolute magnitude of Cepheid
variable stars is related to the time it takes for them to go
through the dimming-brightening-dimming sequence
Answer:
Henrietta Leavitt
Question:
All stars in the hydrogen-burning phase are producing energy
by first fusing _____ together
Answer:
protons
Question:
Which of the following affects the life of a star?
, Answer:
gravitational force, mass, temperature, fusion processes
Question:
What would a pulsar look like?
Answer:
intermittent radio waves
Question:
Differences in how a star appears in the sky are a function of:
Answer:
the size of the star, how far away the star is from earth, the total energy emitted by the
star, the star's apparent brightness
Question:
What is the "ultimate nuclear ash"?
Answer:
iron
Question:
Edwin Hubble was the first person to:
Answer:
show that there are billions of galaxies
Question:
The most common type of galaxy is ____, like our Milky Way
galaxy
Answer:
spiral
Question:
Which of the following best describes a quasar?
Answer:
Answers
Question:
The nature of stars is that they
Answer:
have a life cycle of change through time
Question:
Which of the following variables would not be among an
astronomer's data?
Answer:
sound
Question:
Why do astronomers currently prefer orbiting telescopes over
Earth-based telescopes?
Answer:
many of the regions of electromagnetic radiation are absorbed in our atmosphere
Question:
The sun and other stars generate energy through _____
reactions
Answer:
nuclear fusion
Question:
The solar wind:
Answer:
affects the magnetic fields of planets
Question:
Earth's northern lights are caused by:
, Answer:
Earth's magnetic field
Question:
Most of the Sun's energy output falls in the ______ wavelength
range
Answer:
visible light
Question:
The end products of fusion in the sun's core will be
Answer:
helium isotopes, protons, and gamma rays
Question:
Red giants can be described as:
Answer:
large stars that have cool surfaces
Question:
This scientist showed that the absolute magnitude of Cepheid
variable stars is related to the time it takes for them to go
through the dimming-brightening-dimming sequence
Answer:
Henrietta Leavitt
Question:
All stars in the hydrogen-burning phase are producing energy
by first fusing _____ together
Answer:
protons
Question:
Which of the following affects the life of a star?
, Answer:
gravitational force, mass, temperature, fusion processes
Question:
What would a pulsar look like?
Answer:
intermittent radio waves
Question:
Differences in how a star appears in the sky are a function of:
Answer:
the size of the star, how far away the star is from earth, the total energy emitted by the
star, the star's apparent brightness
Question:
What is the "ultimate nuclear ash"?
Answer:
iron
Question:
Edwin Hubble was the first person to:
Answer:
show that there are billions of galaxies
Question:
The most common type of galaxy is ____, like our Milky Way
galaxy
Answer:
spiral
Question:
Which of the following best describes a quasar?
Answer: