Physics, 18.12.2019 07:31, Lizzy527663

You observed three different star clusters and found that the main-sequence turnoff stars in cluster 1 had spectral type a, the main-sequence turnoff stars in cluster 2 had spectral type b, and the main-sequence turnoff stars in cluster 3 had spectral type g. which star cluster is the oldest

Answers: 3

Show answers

Other questions on the subject: Physics

Physics, 22.06.2019 04:00, mathnation1

If steel is more dense that lake water, why can a boat float

Answers: 1

continue

Physics, 22.06.2019 15:10, Bgreene2377

Suppose that f : rn → rm and that a ∈ k, where k is a connected subset of rn . suppose further that for each x ∈ k there exists a δx > 0 such that f(x) = f(y) for all y ∈ bδx (x). prove that f is constant on k; that is, f(x) = f(a) for all x ∈ k

Answers: 1

continue

Physics, 22.06.2019 15:20, kamorex

Your science teacher brings in a speaker to talk to your class about climate change. during the session, students ask a few questions. which questions are related to the current evidence on climate change

Answers: 3

continue

Physics, 22.06.2019 16:50, boopiee2349

Which best describes the first law of thermodynamics as compared to the second law of thermodynamics? a. the first law describes how thermal energy is conserved but not the direction it moves. b. the first law describes the direction thermal energy moves but not how it is conserved. c. the first law describes how thermal energy can be created but not how it can be destroyed. d. the first law describes how thermal energy can be destroyed but not how it can be created.

Answers: 1

continue

Do you know the correct answer?

You observed three different star clusters and found that the main-sequence turnoff stars in cluster...