ERSC 105 Test 1 Question and answers
rated A+
Stars having the same surface temperature generally radiate the same
spectrum of colors - correct answer ✔T
Astronomers currently estimate the temperature of the Sun's core at 1,500 K -
correct answer ✔F
The orbit of the Earth around the Sun is a perfect circle - correct answer ✔F
Earth is closest to the Sun in January - correct answer ✔T
On H-R diagrams stars are plotted according to their temperature and
absolute magnitude - correct answer ✔T
Most of the moon's craters are volcanic in origin - correct answer ✔T
Bode's Law seems to predict the approximate positions of the planets (their
distance from the sun) but there appears to be no reason why it works -
correct answer ✔T
Comets are not part of our solar system, but rather interstellar objects that
occasionally pass by the Sun - correct answer ✔F
The Moon has tectonic active volcanos - correct answer ✔F
, Galileo Galileo was the first person to argue that the Sun, rather than the
earth, was the center of or solar system - correct answer ✔F
Once a scientific explanation has been established it never needs to be
changed - correct answer ✔F
Temperatures on Earth would be lower is there were less carbon dioxide in
the atmosphere - correct answer ✔T
The distance from Earth to the Sun is used to measure distances in the solar
system and is called a light year - correct answer ✔F
A crater can be far bigger than the meteorite that created it - correct answer
✔T
If Earth did not have the atmosphere, it's surface would have more craters
drones by meteorite impacts - correct answer ✔T
The sun has more than 100 times the mass of all its planets combined -
correct answer ✔T
Saturn is the largest planet in the solar system - correct answer ✔F
The Doppler shift is the apparent change in the frequency of waves due to the
relative motions of the source sand observer - correct answer ✔T
Comets have actually been observed striking a planet in our Solar System -
correct answer ✔T
rated A+
Stars having the same surface temperature generally radiate the same
spectrum of colors - correct answer ✔T
Astronomers currently estimate the temperature of the Sun's core at 1,500 K -
correct answer ✔F
The orbit of the Earth around the Sun is a perfect circle - correct answer ✔F
Earth is closest to the Sun in January - correct answer ✔T
On H-R diagrams stars are plotted according to their temperature and
absolute magnitude - correct answer ✔T
Most of the moon's craters are volcanic in origin - correct answer ✔T
Bode's Law seems to predict the approximate positions of the planets (their
distance from the sun) but there appears to be no reason why it works -
correct answer ✔T
Comets are not part of our solar system, but rather interstellar objects that
occasionally pass by the Sun - correct answer ✔F
The Moon has tectonic active volcanos - correct answer ✔F
, Galileo Galileo was the first person to argue that the Sun, rather than the
earth, was the center of or solar system - correct answer ✔F
Once a scientific explanation has been established it never needs to be
changed - correct answer ✔F
Temperatures on Earth would be lower is there were less carbon dioxide in
the atmosphere - correct answer ✔T
The distance from Earth to the Sun is used to measure distances in the solar
system and is called a light year - correct answer ✔F
A crater can be far bigger than the meteorite that created it - correct answer
✔T
If Earth did not have the atmosphere, it's surface would have more craters
drones by meteorite impacts - correct answer ✔T
The sun has more than 100 times the mass of all its planets combined -
correct answer ✔T
Saturn is the largest planet in the solar system - correct answer ✔F
The Doppler shift is the apparent change in the frequency of waves due to the
relative motions of the source sand observer - correct answer ✔T
Comets have actually been observed striking a planet in our Solar System -
correct answer ✔T
