Forgetting to remove the telescope lens cap is not usually the problem.
The answer to this multiple choice question is "red shift" which is actually a useful phenomenon in viewing and analyzing the light from very distant stars. Light is shifted in wavelength by the movement of stars toward or more typically AWAY from the observer, or by moving through strong gravitational fields.
Distant stars give off less light.
A clear, cloudless, sky in an area that is not polluted by street lights, is the best to ensure a clear view of the night sky.
All the iron molecules that are in your body originally created by
Redshift makes stars difficult to see.....
Distant stars give off less light Apex
Distant stars give off less light
They don't understand how redshift affects stars.
Astronomers use a method called parallax to measure the distance to nearby stars. Astronomers can measure parallax by measuring the position of a nearby star with respect to the distant stars behind it. Then, they measure the same stars again six months later when the Earth is on the opposite side of its orbit.
Light years of dust lanes obscure the view of distant stars in visible light. However, radio telescopes can penetrate the dust and can detect (in the x-ray and infrared spectra) the stars in the core of our galaxy.They don't understand how redshift affects stars.
Astronomers.
Distant stars give off less light
Spectroscopy.
Astronomers have difficulty looking at distant stars because while we have highly specialized telescopes, they are in constant contention with various other celestial bodies. In addition to this, the light of distant stars takes hundreds of thousands of years to reach us, making it impossible to get a current look at a distant star.
They don't understand how redshift affects stars.
en.wikipedia.org/wiki/Spectroscopy
Astronomers use a method called parallax to measure the distance to nearby stars. Astronomers can measure parallax by measuring the position of a nearby star with respect to the distant stars behind it. Then, they measure the same stars again six months later when the Earth is on the opposite side of its orbit.
Light years of dust lanes obscure the view of distant stars in visible light. However, radio telescopes can penetrate the dust and can detect (in the x-ray and infrared spectra) the stars in the core of our galaxy.They don't understand how redshift affects stars.
Yes, human electric lighting is polluting the night sky.
Some astronomers study how matter behaves using particle accelerators.
Distant Stars was created in 1981.
Stars...
Distant Stars has 352 pages.