« previous next »

Author Question: An X-ray burster occurs in a pulsar when ____. a. accreted helium suddenly fuses in a nova-like ... (Read 50 times)

moongchi

  • Hero Member
  • *****
  • Posts: 516
on: Jul 27, 2018
An X-ray burster occurs in a pulsar when ____.
 
  a. accreted helium suddenly fuses in a nova-like explosion
 b. the Chandrasekhar limit is exceeded and the object collapses
 c. carbon deflagration destroys the object
 d. it merges with a binary companion
 e. hydrogen fusion ignites in an accretion disk around it

Question 2

Which model did Galileo disprove by discovering the transit of Venus?
 
  a. Ptolemaic
 b. Copernican
  c. Aristotelian
  d. Plutonic
 e. Kepler


T4T

  • Sr. Member
  • ****
  • Posts: 348
Reply #1 on: Jul 27, 2018
Answer to Question 1

a

Answer to Question 2

a


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

There are more nerve cells in one human brain than there are stars in the Milky Way.

Did you know?

The senior population grows every year. Seniors older than 65 years of age now comprise more than 13% of the total population. However, women outlive men. In the 85-and-over age group, there are only 45 men to every 100 women.

Did you know?

Thyroid conditions may make getting pregnant impossible.

Did you know?

Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.

Did you know?

Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.

Examples of deep-sea corals found in the Sable Gully, 200 km off the coast of Nova Scotia. Examples of deep-sea corals found in the Sable Gully, 200 km off the coast of Nova Scotia.
Greenstick Only one side of the shaft is broken, and the other is bent (like a greenstick); usually Greenstick Only one side of the shaft is broken, and the other is bent (like a greenstick); usually
Breast cancer. Notice the tumor growing within a lactiferous gland, which occurs in infiltrating duc Breast cancer. Notice the tumor growing within a lactiferous gland, which occurs in infiltrating duc
The Crab Nebula and Pulsar The Crab Nebula and Pulsar
Crab Nebula Pulsar Crab Nebula Pulsar
Video: Segmentation and migrating motility complexes & Gastroileal reflex

For a complete list of videos, visit our video library