This topic contains a solution. Click here to go to the answer

Author Question: Ten parsecs is about ________. A) 32.6 light-years B) 10 parallax seconds of angle C) 150 ... (Read 81 times)

Sportsfan2111

  • Hero Member
  • *****
  • Posts: 585
Ten parsecs is about ________.
 
  A) 32.6 light-years B) 10 parallax seconds of angle
  C) 150 million kilometers D) 10,000 seconds

Question 2

What lucky factor prevented the Chelyabinsk object from causing much damage at ground level?
 
  A) It was made entirely of ices and thus exploded high in the air.
  B) It hit Earth at an oblique angle and thus exploded high in the air.
  C) A prototype asteroid defense system was being tested nearby.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

aburgess

  • Sr. Member
  • ****
  • Posts: 361
Answer to Question 1

A

Answer to Question 2

B





 

Did you know?

Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.

Did you know?

Many of the drugs used by neuroscientists are derived from toxic plants and venomous animals (such as snakes, spiders, snails, and puffer fish).

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.

Did you know?

Hip fractures are the most serious consequences of osteoporosis. The incidence of hip fractures increases with each decade among patients in their 60s to patients in their 90s for both women and men of all populations. Men and women older than 80 years of age show the highest incidence of hip fractures.

Did you know?

Though Candida and Aspergillus species are the most common fungal pathogens causing invasive fungal disease in the immunocompromised, infections due to previously uncommon hyaline and dematiaceous filamentous fungi are occurring more often today. Rare fungal infections, once accurately diagnosed, may require surgical debridement, immunotherapy, and newer antifungals used singly or in combination with older antifungals, on a case-by-case basis.

For a complete list of videos, visit our video library