The process of combining signals from separate telescopes to improve resolution is called ____________________
Fill in the blank(s) with correct word
interferometry
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Describe the difference among thermal resistance, thermal conductivity, thermal resistivity and R-Values.
What will be an ideal response?
A(n) ____ is a collection of 105 to 106 stars in a region 10 to 30 pc in diameter. The stars in the collection tend to be more than 109 years old and mostly yellow and red stars
a. Herbig Haro object b. globular cluster c. open cluster d. giant cluster e. supernova
If a major asteroid collision in the asteroid belt occurs, on average, 1 time in 100,000 years, then how many major collisions have occurred over the approximately 4 billion year history of the solar system?
A) about 4,000 B) about 4 billion C) about 40,000 D) about 4 million
Boiling and freezing can occur at the same time when water is subjected to
A) decreased temperatures. B) decreased atmospheric pressure. C) increased temperatures. D) increased atmospheric pressure.