because all the stars in a cluster are about the same age and distance from the Earth
Try http://www.heavens-above.com/ a very useful website for information on where the planets are (click on whole sky chart) and spotting man made space objects.
galaxies
EVERYTHING galaxies, nebulae, stars, planets, milky way, star clusters, globular clusters and much more
Astronomy Astronomy is a natural science that deals with the study of celestial objects (such as stars, planets, comets, nebulae, star clusters and galaxies) and phenomena that originate outside the atmosphere of Earth (such as the cosmic background radiation).
It really depends on the type of star, but for certain star types, there is a relationship between the period and the absolute brightness, so if the period is observed, the absolute brightness can be deduced. Yes. It seems like this question is about the Cepheid variables.
two types of star clusters are Open clusters and globular clusters
the space from the planet the stars or clusters
global clusters, open clusters and star clusters. (:
A galaxy typically has several star clusters.
stars
How is caenorhabditis elegans useful in studying genetics?
Any major galaxy has LOTS of star clusters, including globular clusters, if that's what you mean.
The question contains the answer 100,000. "if each of these star clusters contains 100,000 stars, how many stars exist in these clusters" If you mean the total number, are you seriously saying you don't know how to multiply 100,000 by 158?
Open clusters lie along the Milky Way and half of the globular clusters are in or near the constellation Sagittarius.
Try http://www.heavens-above.com/ a very useful website for information on where the planets are (click on whole sky chart) and spotting man made space objects.
Yes.
Stars, star clusters, distant galaxies, galaxy clusters, nebulae, ...