Astronomers are able to estimate the temperature of a gas

Assignment Help Physics

Reference no: EM13542532

Explain the physical processes by which astronomers are able to estimate the temperature of a gas by observing which spectral lines are present in its spectrum and measuring the relative strength of the lines. This process is known as Balmer thermometry.

Reference no: EM13542532

Questions Cloud

What are the main types of energy at surfaace of reservoir : Assume that the reservoir is 200m deep, held back by the dam wall . A small horizontal pipe at the base of the dam transfers water to the generator hall, where it gushes out at high speed and is used to turn the turbines that generate electricity. Wh..

What is the velocity of a beam of electrons : What is the velocity of a beam of electrons that go undeflected when passing through perpendicular electric and magnetic fields of magnitude 8.8 x 10^3 V/m and 3.5 x 10^-3 T respectively

Find the acceleration of the earth toward the sun : The Earth's nearly circular orbit around the sun has a diameter of 300 million km. Assuming it takes 365 days for the Earth to make one complete trip around the sun, find the acceleration of the Earth toward the sun.

Telescopes-give apparent aperature equal to their separation : Telescopes can be networked together to give an apparent aperature equal to their separation. Telescopes on either side of Earth can be combined to give an aperature of 8000 miles, greatly improving resolving power. What is this technique called?

Astronomers are able to estimate the temperature of a gas : Explain the physical processes by which astronomers are able to estimate the temperature of a gas by observing which spectral lines are present in its spectrum and measuring the relative strength of the lines. This process is known as Balmer thermome..

Air resistance is negligible during the projectiles flight : A projectile is launched from the ground and sails across an open field. At launch, its total mechanical energy is 100 J. At its highest point, is its potential energy greater than, less than, or equal to 100 J? Explain, assuming that air resistance ..

Find the acceleration of the hand : The upper end of the string wrapped around the cylinder below is held by a hand that is accelerated upward so that the center of mass of the cylinder does not move as the cylinder spins up. (c) Find the acceleration of the hand.

What is smallest capacitor needed in computer power supply : What is the smallest capacitor needed in a computer power supply in order to produce at least 3.55 V for 0.37 seconds after the power goes off? Assume that the resistance of all the components of the computer motherboard is 6 Ohms and that the capaci..

Find the normal incidence absorptivity and reflectivity : THe index of refraction of gold is n= .31 + i2.88 at 560nm, and n=12.2 + i54.7 at 9.92um. Find the normal incidence absorptivity and reflectivity at both wavelengths. Please show each step by step.

User Account

All Pages