By comparing globular clusters, you find that Cluster A's RR Lyrae stars are 100 times fainter than Cluster B's RR Lyrae stars. You know that Cluster A's stars are 1.5 times more luminous than Cluster B's stars, because Cluster A is more metal-rich and somewhat younger. How do the clusters' distances compare?

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The Answer of By comparing globular clusters, you find that Cluster A's RR Lyrae stars are 100 times fainter than Cluster B's RR Lyrae stars. You know that Cluster A's stars are 1.5 times more luminous than Cluster B's stars, because Cluster A is more metal-rich and somewhat younger. How do the clusters' distances compare?

By Comparing Globular Clusters, You Find That Cluster A's RR