100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
logo-home
Previously searched by you
Previously searched by you
logo
Astro 7N Final Exam Questions (ANSWERED) $10.49
Add to cart
Quickly navigate to
Preview
  2.  
  3. Astro 7N
  4.  
  5. Astro 7N

Exam (elaborations)

Astro 7N Final Exam Questions (ANSWERED)
 0 purchase
  • Course
  • Astro 7N
  • Institution
  • Astro 7N

A high-luminosity star - Correct Answer emits more light than a low-luminosity star If a red giant appears the same brightness as a red main sequence star, which one is farther away - Correct Answer the red giant the heaviest nuclei of all are formed - Correct Answer during a supernova exp...

[Show more]

Preview 1 out of 4  pages

Document information

  • August 28, 2024
  • 4
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

Subjects

  • a high luminosity star emits more light than a low
  • if a red giant appears the same brightness as a re
  • the heaviest nuclei of all are formed during a sup
  • fill in the blank in the following chemical rea

Written for

  • Astro 7N
  • Astro 7N

Seller

avatar-seller
Victoria108

Reviews received

Content preview

Astro 7N Final Exam Questions
(ANSWERED)
A high-luminosity star - Correct Answer emits more light than a low-luminosity star

If a red giant appears the same brightness as a red main sequence star, which one is
farther away - Correct Answer the red giant

the heaviest nuclei of all are formed - Correct Answer during a supernova explosion

fill in the blank in the following chemical reaction that occurs in the sun - Correct Answer
hydrogen-2 + proton = helium-3 + energy

which of the following has the smallest radius - Correct Answer neutron star

why does the main sequence part of a star's life end? - Correct Answer the hydrogen in
the core is exhausted

which of the following will have the shortest lifetime on the main sequence? - Correct
Answer main sequence star with surface temp of 20000 K

Many of the brightest 100 stars viewed from Earth are not on the main sequence (even
though most stars are) because - Correct Answer the most luminous stars are giants
and supergiants that have already finished their main sequence lifetimes

a 2-solar-mass main sequence stat is at the same distance as a 0.2-solar-mass main
sequence star. Which star appears brighter? - Correct Answer the 2 solar mass main
sequence star appears brighter

the temp of the photosphere of the sun is closest to - Correct Answer 6000 K

An estimate of the number of communicating/technological civilizations that we expect
in our galaxy would be a larger number if - Correct Answer the average number of
planets that could support life for each star were larger

if the sun had twice its mass, then which of these planets would be in its habitable zone
- Correct Answer jupiter

what is the exoplanet's orbital period, and the percent brightness drop in light, for the
case int he image above from the Kepler Exoplanet Transit Hunt activity? - Correct
Answer 5 days and 0.30%

How do astronomers measure the temperature of stars? - Correct Answer by looking at
which absorption lines are present in the star's spectrum

The benefits of buying summaries with Stuvia:

Guaranteed quality through customer reviews

Guaranteed quality through customer reviews

Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.

Quick and easy check-out

Quick and easy check-out

You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.

Focus on what matters

Focus on what matters

Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!

Frequently asked questions

What do I get when I buy this document?

You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.

Satisfaction guarantee: how does it work?

Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.

Who am I buying these notes from?

Stuvia is a marketplace, so you are not buying this document from us, but from seller Victoria108. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy these notes for $10.49. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

69411 documents were sold in the last 30 days

Founded in 2010, the go-to place to buy study notes for 15 years now

Start selling
$10.49
  • (0)
Add to cart
Added