ERSC QUIZ #2 QUESTIONS AND ANSWERS 100% CORRECTERSC QUIZ #2 QUESTIONS AND ANSWERS 100% CORRECTERSC QUIZ #2 QUESTIONS AND ANSWERS 100% CORRECT
Red Shift - ANSWER-Doppler effect, apparent change in wavelengths of the farthest object changes therefore we can measure how large the universe is
Bi...
ERSC QUIZ #2 QUESTIONS AND
ANSWERS 100% CORRECT
Red Shift - ANSWER-Doppler effect, apparent change in wavelengths of the farthest
object changes therefore we can measure how large the universe is
Big Bang Theory - ANSWER-The theory that the universe began from a rapid explosion
How old is the sun - ANSWER-about 5 billion years old
Characteristics of the sun - ANSWER--powered by Hydrogen fusion
-The movement of the magnetic plates and rotations cause solar flares-- solar winds
-1/4 as dense as the earth
-a yellow dwarf
Heliosphere - ANSWER-all things effected by the suns gravity
terrestrial planets - ANSWER-Mercury, Venus, Earth, Mars;
- They are smaller, dense, and rocky
Comet characteristics - ANSWER-much larger than asteroids
100,000 mph
icy and with tail that is always facing away from the sun
What is Earths tilt - ANSWER-23.5 degrees on its axis
What is axial precision - ANSWER-the earth is slowly rotating the axis, as well as
spinning and rotating around the sun (the earths wobble)
Nuclear Fusion (energy from the sun) - ANSWER-3H+1H-->3H+energy (radiation)
3He+3He-->4He + energy (collision)
Fission - ANSWER-radioactive decay
2 reasons why asteroids/other objects come close to the earth - ANSWER-1) something
collides with the asteroid
2)Jupiters gravitational pull pulls asteroids to our path
characteristics of an asteroid - ANSWER--940 km in diameter
about 36,000 mph
made of copper and iron
Short Period Comets - ANSWER-Kuiper belt (past Neptune)
The benefits of buying summaries with Stuvia:
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
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
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 NursingTutor1. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $11.99. You're not tied to anything after your purchase.
