100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
logo-home
PHSC 121 Liberty University Exam Edition. All Questions & Correct Answers. Graded A+ $7.99   Add to cart

Exam (elaborations)

PHSC 121 Liberty University Exam Edition. All Questions & Correct Answers. Graded A+

 0 view  0 purchase
  • Course
  • Institution

PHSC 121 Liberty University Exam Edition. All Questions & Correct Answers. Graded A+

Preview 2 out of 14  pages

  • November 6, 2024
  • 14
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
avatar-seller
PHSC 121 Liberty University Exam 3
2024-2025 Edition. All Questions &
Correct Answers. Graded A+

A black hole is - ANSa region in space where mass produces a gravity field
so intense that neither matter nor light itself can escape


A quasar is - ANSa large remote energy source which may contain a black
hole


According to modern theory, the present universe is __________ billion
years old and the Earth / Solar System is approximately ____________
billion years old. - ANS.5


According to our text (ch 22.1 - Particle Creation and Annihilation) the
universe was so hot in the first seconds following the rapid expansion (Big
Bang) that photons were transformed into ____________, and that the
early universe was a "hot and dense blend" of ___________. - ANSmatter /
photons, matter, antimatter


According to our text (ch 22.1), the universe has a faint glow of light that is
not related to present day star light. This light theorized to have been
caused by ______________ and was present ______________ -
ANSremnant heat from the big bang / when light became visible at about
400,000 years age of the universe

, According to the Big Bang theory the building blocks for the universe at the
beginning were - ANShydrogen and helium


According to the Christian Old Earth (4-5 billion years) view, Gen 1:1
describes the creation of everything in the universe, including the stars,
Earth and man - ANStrue


According to the Christian Old Earth (4-5 billion years) view, volcanic
activity is necessary to keep high oxygen levels in the atmosphere and
therefore to sustain human life. - ANStrue


According to the Nebular Cloud Theory of Solar System development, the
Jovian planets began as planetesimals composed mostly of ____________
. The cores grew until ___________ was able to draw in ___________
from the surrounding cloud material. - ANShydrogen with traces of rock and
metal / gravity / hydrogen and helium


According to the Nebular Cloud Theory of Solar System formation, a
spinning cloud formed into the Sun and planets (true statement). According
to lecture, flattening of the cloud from a larger sphere, was caused by
collisions between particles within the cloud which reduced random and up
and down motions - ANStrue


Black holes are thought to be caused by - ANScollapsing stars


concentrated mass at the center of galaxies

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 wilfredmburuUS. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy these notes for $7.99. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

82215 documents were sold in the last 30 days

Founded in 2010, the go-to place to buy study notes for 14 years now

Start selling
$7.99
  • (0)
  Add to cart