Under what conditions will a nova occur?

What will be an ideal response?


When a white dwarf pulls mass off its companion in a mass-transfer binary, and its hydrogen shell reaches 10 million K, sudden proton-proton fusion generates the bright flash and rapidly expanding envelope we observe from Earth.

Physics & Space Science

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Spectra are often represented as graphs of:

A) distance versus luminosity. B) temperature versus density. C) intensity versus wavelength. D) brightness versus darkness.

Physics & Space Science

What element makes up Io's thin atmosphere?

a. sulfur b. hydrogen c. helium d. carbon dioxide e. methane

Physics & Space Science

Double-lobed radio galaxies appear to be emitting jets of gas and radiation

a. True b. False Indicate whether the statement is true or false

Physics & Space Science

A ball drops some distance and loses 30 J of gravitational potential energy. Do NOT ignore air resistance. How much kinetic energy did the ball gain?

A) more than 30 J B) exactly 30 J C) less than 30 J

Physics & Space Science