This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: In the context of the evidence on evolution of stars, you can estimate the _____ of a star cluster ... (Read 51 times)

pane00

  • Hero Member
  • *****
  • Posts: 579
on: Jul 27, 2018
In the context of the evidence on evolution of stars, you can estimate the _____ of a star cluster by observing the distribution of the points that represent its stars in the Hertzsprung-Russell (H-R) diagram.
 
  A) age
  B) density
  C) composition
  D) mass

Question 2

_____ was a type II supernova that was produced by the explosion of a hot, blue supergiant.
 
  A) SN 1572
  B) SN 1604
  C) SN 1987A
  D) SNR 1868


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

elizabethrperez

  • Sr. Member
  • ****
  • Posts: 344
Reply #1 on: Jul 27, 2018
Answer to Question 1

A

Answer to Question 2

C


pane00

  • Member
  • Posts: 579
Reply 2 on: Jul 27, 2018
Wow, this really help

kusterl

  • Member
  • Posts: 315
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

Automated pill dispensing systems have alarms to alert patients when the correct dosing time has arrived. Most systems work with many varieties of medications, so patients who are taking a variety of drugs can still be in control of their dose regimen.

Did you know?

Nitroglycerin is used to alleviate various heart-related conditions, and it is also the chief component of dynamite (but mixed in a solid clay base to stabilize it).

Did you know?

There are over 65,000 known species of protozoa. About 10,000 species are parasitic.

Did you know?

Cucumber slices relieve headaches by tightening blood vessels, reducing blood flow to the area, and relieving pressure.

Did you know?

Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.

Astronomers identified 12-billion-year-old white dwarf stars only 100 light years away from Earth Astronomers identified 12-billion-year-old white dwarf stars only 100 light years away from Earth
Surface magnetic field of SU Aur (a young star of T Tauri type), reconstructed by means of Zeeman-Do Surface magnetic field of SU Aur (a young star of T Tauri type), reconstructed by means of Zeeman-Do
Fully Convective Star Fully Convective Star
Evolution Evolution
Context-Dependent Learning Context-Dependent Learning
evolution evolution
Video: Hormonal regulation of pregnancy - week 1

For a complete list of videos, visit our video library