Astro1 UCSB Final Exam Questions and
Answers
A THEORY is a pattern in nature thought to have predictive power. The test of a theory is a prediction.
That's where pseudo-science fails. T/F - ANSWER-T
Red giant stars are powered by hydrogen burning in a shell surrounding a core, which has been de...
Ozone depletion may have stabilized because of an international agreement to reduce emission of
certain industrial chemicals called chlorofluorocarbons. T/F - ANSWER✔✔-T
Under exotic conditions, intuition sometimes fails, e.g. speed of light is the same for all observers. T/F -
ANSWER✔✔-T
Planetary orbits are circles with the Sun in the center. T/F - ANSWER✔✔-F
The Cosmic Microwave Background has a blackbody spectrum. T/F - ANSWER✔✔-T
Old streambeds and other topographic features indicate that Mars once had liquid water on its surface.
T/F - ANSWER✔✔-T
A good example of a positive feedback effect in global warming is that melting sea ice causes a decrease
in the Earth's albedo, meaning we absorb more sunlight than ever. T/F - ANSWER✔✔-T
While the heavy elements have been cooked-up in stars, several of the light elements and isotopes were
made in the first few minutes of the Big Bang. T/F - ANSWER✔✔-T
How is the transparency of Earth's atmosphere changing in infrared light? - ANSWER✔✔-its decreasing
A pulsar is - ANSWER✔✔-a rapidly rotating neutron star, emitting beams of radio and sometimes x-ray
and visible energy.
Page 2/8
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 Emillect. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $9.99. You're not tied to anything after your purchase.
