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

Author Question: The brightest stars in a young open cluster will be: A) massive blue stars at the top left on the ... (Read 56 times)

yoroshambo

  • Hero Member
  • *****
  • Posts: 566
on: Jul 27, 2018
The brightest stars in a young open cluster will be:
 
  A) massive blue stars at the top left on the H-R diagram.
  B) red T-tauri stars still heading for the main sequence.
  C) red giants that are fusing helium into carbon.
  D) yellow giants like our Sun, but much larger.
  E) the core stars of planetary nebulae.

Question 2

M-87, the giant elliptical at the heart of the Virgo Supercluster, shows a(n) ________ extending outward from its core, moving at relativistic velocities.
 
  Fill in the blank(s) with correct word


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

skipfourms123

  • Sr. Member
  • ****
  • Posts: 343
Reply #1 on: Jul 27, 2018
Answer to Question 1

A

Answer to Question 2

jet


yoroshambo

  • Hero Member
  • *****
  • Posts: 566
Reply #2 on: Jul 27, 2018
Thanks


skipfourms123

  • Sr. Member
  • ****
  • Posts: 343
Reply #3 on: Jul 27, 2018
Welcome :)


« previous next »
 

Did you know?

The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."

Did you know?

Medication errors are three times higher among children and infants than with adults.

Did you know?

Dogs have been used in studies to detect various cancers in human subjects. They have been trained to sniff breath samples from humans that were collected by having them breathe into special tubes. These people included 55 lung cancer patients, 31 breast cancer patients, and 83 cancer-free patients. The dogs detected 54 of the 55 lung cancer patients as having cancer, detected 28 of the 31 breast cancer patients, and gave only three false-positive results (detecting cancer in people who didn't have it).

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?

ACTH levels are normally highest in the early morning (between 6 and 8 A.M.) and lowest in the evening (between 6 and 11 P.M.). Therefore, a doctor who suspects abnormal levels looks for low ACTH in the morning and high ACTH in the evening.

Internal structures of main sequence stars, convection zones with arrowed cycles and radiative zones Internal structures of main sequence stars, convection zones with arrowed cycles and radiative zones
The Y-5 molar pattern (left) characterizes the ape, whereas bilophodont molars (right) characterizes The Y-5 molar pattern (left) characterizes the ape, whereas bilophodont molars (right) characterizes
A dead-blow hammer that was left outside in freezing weather. The plastic covering was damaged, ... A dead-blow hammer that was left outside in freezing weather. The plastic covering was damaged, ...
The wide distribution of left hemisphere sites where cortical stimulation either blocked speech or ... The wide distribution of left hemisphere sites where cortical stimulation either blocked speech or ...
Another early evolutionary example of immunity When a red sponge and a blue sponge are blended ... Another early evolutionary example of immunity When a red sponge and a blue sponge are blended ...
A comparison of the events in mitosis (left) and meiosis (right) A comparison of the events in mitosis (left) and meiosis (right)
Video: Phases of mitosis

For a complete list of videos, visit our video library