Examlex
What have spacecraft explorations shown about comets?
Wilhelm Konrad Roentgen
A German physicist who discovered X-rays in 1895, for which he received the first Nobel Prize in Physics in 1901.
X-ray
A form of electromagnetic radiation used in medical imaging to view the inside of the body, especially bones, to diagnose or monitor various conditions.
Marie Sklodowska Curie
A pioneering physicist and chemist who conducted groundbreaking work in radioactivity, and the first woman to win a Nobel Prize.
Retrograde Pyelogram
A urologic procedure in which the physician injects contrast into the ureters in order to visualize the ureters and kidney.
Q5: The Hipparcos mission's observations have given us
Q14: Which gas is most common in Jupiter's
Q20: The impact of which comet helped establish
Q38: Explain how the Doppler Effect has been
Q48: The outward pressure of hot gas in
Q52: Uranus and Neptune both rotate _ than
Q94: What are the two most important intrinsic
Q98: Which of the following characterizes a shield
Q102: When comparing the densities of the Galilean
Q112: Long period comets are thought to reside