Turn on thread page Beta
    • Thread Starter

    Name:  image-1d9d795e-8b81-4a8b-99e8-0cc2d49e64c3390076716-compressed.jpg.jpeg
Views: 20
Size:  47.7 KB
    The answer is C but what about A??
    Posted on the TSR App. Download from Apple or Google Play

    a star more massive than the sun in its main sequence would have a higher temperature + luminosity (it'd be in the top left on the main sequence group on a h-r diagram), so A can't be true

    to explain a lil more, a more massive star will have a greater gravitational pull and therefore need to compensate with more reactions in their core to create more energy (so temp is higher). Temp and luminosity are proportional, so you're gonna find that particular star further left + towards the top of the H-R diagram than you would the Sun. A star in its main sequence could not be more massive than the Sun with a lower temp, it's not possible

    hope it helps x
Submit reply
Turn on thread page Beta
Updated: March 13, 2018

University open days

  1. University of Cambridge
    Christ's College Undergraduate
    Wed, 26 Sep '18
  2. Norwich University of the Arts
    Undergraduate Open Days Undergraduate
    Fri, 28 Sep '18
  3. Edge Hill University
    Faculty of Health and Social Care Undergraduate
    Sat, 29 Sep '18
Which accompaniment is best?

The Student Room, Get Revising and Marked by Teachers are trading names of The Student Room Group Ltd.

Register Number: 04666380 (England and Wales), VAT No. 806 8067 22 Registered Office: International House, Queens Road, Brighton, BN1 3XE

Write a reply...
Reputation gems: You get these gems as you gain rep from other members for making good contributions and giving helpful advice.