A reflecting telescope operates by containing a(n)
A) flat mirror that refracts light to a focus in front of a mirror. The smaller the area of the mirror, the more light the telescope can gather. A smaller mirror at the focus sends the concentrated light to an eyepiece at the back or at the side of the telescope.
B) curved mirror that reflects light to a focus in front of a mirror. The larger the area of the mirror, the more light the telescope can gather. A smaller mirror at the focus sends the concentrated light to an eyepiece at the back or at the side of the telescope.
C) objective lens that refracts incoming light and concentrates it at a focus behind the lens. A second lens, the eyepiece, magnifies the concentrated light so that objects appear larger.
D) objective lens that reflects incoming light and concentrates it at a focus in front of the lens.
Correct Answer:
Verified
Q44: Modern radio telescopes consist of a dish
Q45: Why do cell phones and weather radar
Q46: The world's greatest astronomical observatories are all
Q47: Identify the different phases of Earth's moon
Q48: Astronomers examine the relationship between _ and
Q50: A(n) _ represents the distance that an
Q51: Radio telescopes have to be so large
Q52: Hubble's law is used to
A)measure the distance
Q53: Why do planets sometimes exhibit retrograde motion?
Q54: Imagine an astronomer who has just used
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents