Why is parallax method not useful for measuring the distances o...

The parallax of the red giant Betelguese is just barely measurable and has a value of about 0.005 ar...

clarify why parallax just works for stars that r less than 200 light years away. It is because of...

What would be the parallax of Alpha Centauri if measurements were made from Mars?

define the term parallax anf and state 2 ways of reducing it

Star A has a parallax angle that is 2 times bigger as star B. They both appear to be the same bright...

Astronomers cannot use parallax to find the distance to most stars. This is because the stars are:

Which of the following are useful tests to determine the identity of a mineral (you may select multi...

Question