The Detector That in Many Instances Has Replaced the Photographic

question 218

Multiple Choice

The detector that in many instances has replaced the photographic plate for astronomical photography is the

• A) CCD (charge-coupled device).
• B) photomultiplier or image intensifier tube.
• C) diffraction grating.
• D) interferometer.

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Definitions:

Blastocyst

An early stage of embryonic development, characterized by a spherical shape and consisting of an inner cell mass and an outer layer of cells.

Uterine Cavity

is the internal space of the uterus where a fetus develops during pregnancy.

Implanting

The process of surgically inserting or grafting an object or material into the body.

Zygote

The initial cell formed when a sperm cell fertilizes an egg cell, which then undergoes cell division to develop into an embryo.