Which are the most common stars, massive stars or low-mass stars (relative to the Sun)? High luminosity or low luminosity (relative to the Sun)?
What will be an ideal response?
The most common types of stars are the low-luminosity, low mass red dwarfs.
Physics & Space Science
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Water can be turned to ice by
A) lowering the surrounding air pressure. B) extracting energy. C) both of these D) neither of these
Physics & Space Science
You blow on food to cool it. Blowing increases
A) conduction. B) convection. C) radiation. D) the specific heat. E) the latent heat.
Physics & Space Science
Which of the following characterizes the net force on a particle falling through a fluid at its terminal speed?
a. It is at a maximum. c. It is downwards. b. It is upwards. d. It is zero.
Physics & Space Science
How will the wavelength of light from a distant star change if it is experiencing a large red shift?
Physics & Space Science