Open clusters are found in the ________ of our Milky Way Galaxy
Fill in the blank(s) with correct word
disc (or spiral arms)
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Reactance: What is the inductive reactance of a 2.50-mH coil at 1000 Hz?
A. 2500 ? B. 796 ? C. 15.7 ? D. 2.50 ?
Molecular Speeds: (a) At what Celsius temperature is the average kinetic energy of a helium gas atom equal to 6.21 × 10-21 J? The Boltzmann constant is 1.38 × 10-23 J/K .(b) What would be the temperature for radon gas?
Fill in the blank(s) with the appropriate word(s).
Which of the following celestial objects do not rise in the east and set in the west? (Assume that all of these objects are visible from your location on Earth, and that none of them are circumpolar.)
A) stars B) the Sun C) the Moon D) galaxies E) All of these objects rise in the east and set in the west.
Collisions between galaxies tend to destroy, not create, stars
Indicate whether the statement is true or false