Why is it hard to observe the chromosphere?
What will be an ideal response?
Most of its energy is in the bright red emission line of hydrogen from its low density, so the denser photosphere gives off a lot more light in the continuum.
You might also like to view...
Molecular Speeds: What is the average translational kinetic energy of a nitrogen molecule in the air in a room in which the air temperature is 17°C? The Boltzmann constant is 1.38 × 10-23 J/K.
A. 6.01 × 10-21 J B. 4.00 × 10-21 J C. 5.00 × 10-21 J D. 7.00 × 10-21 J E. 9.00 × 10-21 J
You do 116 J of work while pulling your sister back on a fritctionless swing, whose chain is 5.1m long, until the swing makes an angle of 32.0° with the vertical. What is your sister's mass?
A) 19.0 kg B) 15.3 kg C) 13.0 kg D) 17.6 kg
An astronaut applies a force of 450 N to an asteroid, and it accelerates at 7.0 m/s2 . What is the asteroid's mass?
a. 64 kg b. 450 kg c. 460 kg d. 3 200 kg e. 0.016 kg
An electron is moving with the speed of 1780 m/s
What is its de Broglie wavelength? (melectron = 9.11 × 10-31 kg, h = 6.626 × 10-34 J ? s) A) 409 nm B) 302 nm C) 205 nm D) 420 nm E) 502 nm