Planets are considerably smaller than their parent stars, also they emit no light and are very close to the star. With all this combined, separating between the two with a telescope is very difficult.
red shifted
Not nuclear, it takes an extremely hight temperature for Fusion to occur with in the sun or any other star.
ADDED: Yes "nuclear". Fusion is one of the two type of nuclear reaction, the other being Fission.
blue shifted
Magnetic Field
There are four types of galaxies in the universe . A galaxy that has an undefined shaped is best classified as an irregular galaxy. 10% of galaxies are classified this way.
Because ice cubes are less dense than water.
A blowing of a balloon best describes the BIG BANG best
star of one stellar mass, red giant, planetary nebula, white dwarf
A star.
They don't understand how redshift affects stars.
Pressure and gravity
Matter was compressed into a single point and then exploded outward to form the universe - APEX
Distant stars give off less light