The blue stragglers represent the horizontal branch for globular clusters
Indicate whether the statement is true or false
FALSE
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The shortest wavelength of visible light is _____
A) 300 nanometers B) 400 nanometers C) 500 nanometers D) 600 nanometers
Which of the following is not considered a potential solution to the question of why we lack any evidence of a galactic civilization?
A) The galactic civilization is deliberately avoiding contact with us. B) There is no galactic civilization because we are the first species ever to achieve the ability to study the universe. C) There is no galactic civilization because all civilizations destroy themselves before they achieve the ability to colonize the galaxy. D) The galactic civilization probably is undetectable because they operate under different laws of physics from the ones we know.
How is the Mars Rover mission different from the Global Surveyor mapping mission?
What will be an ideal response?
How many grams of ethanol (specific gravity 0.80 ) should be added to 5 grams of chloroform (specific gravity 1.50 ) if the resulting mixture is to have a specific gravity of 1.20?
A) 2.0 gms B) 2.4 gms C) 1.8 gms D) 4.4 gms E) 1.6 gms