This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Why has Mercury traditionally been such a hard planet to observe and study? What will be an ideal ... (Read 7 times)

naturalchemist

  • Hero Member
  • *****
  • Posts: 542
on: Jul 27, 2018
Why has Mercury traditionally been such a hard planet to observe and study?
 
  What will be an ideal response?

Question 2

Most pulsars have a measured mass of:
 
  A) about 1.4 solar masses.
  B) less than 1.0 solar masses.
  C) between 2 and 4 solar masses.
  D) 5.2 solar masses.
  E) greater than 10 solar masses.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

milbourne11

  • Sr. Member
  • ****
  • Posts: 322
Reply #1 on: Jul 27, 2018
Answer to Question 1

There are two reasons. First, Mercury is a very small planet, so it never appears very large in telescopes. Second, because it orbits so close to the Sun, it can never be viewed under favorable conditions. It is always seen near the horizon, through a lot of atmosphere which distorts its image. Whenever it is in a favorable position for viewing, so is the Sun

Answer to Question 2

A


naturalchemist

  • Member
  • Posts: 542
Reply 2 on: Jul 27, 2018
YES! Correct, THANKS for helping me on my review

Zebsrer

  • Member
  • Posts: 284
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

The top 10 most important tips that will help you grow old gracefully include (1) quit smoking, (2) keep your weight down, (3) take supplements, (4) skip a meal each day or fast 1 day per week, (5) get a pet, (6) get medical help for chronic pain, (7) walk regularly, (8) reduce arguments, (9) put live plants in your living space, and (10) do some weight training.

Did you know?

Chronic necrotizing aspergillosis has a slowly progressive process that, unlike invasive aspergillosis, does not spread to other organ systems or the blood vessels. It most often affects middle-aged and elderly individuals, spreading to surrounding tissue in the lungs. The disease often does not respond to conventionally successful treatments, and requires individualized therapies in order to keep it from becoming life-threatening.

Did you know?

HIV testing reach is still limited. An estimated 40% of people with HIV (more than 14 million) remain undiagnosed and do not know their infection status.

Did you know?

Before a vaccine is licensed in the USA, the Food and Drug Administration (FDA) reviews it for safety and effectiveness. The CDC then reviews all studies again, as well as the American Academy of Pediatrics and the American Academy of Family Physicians. Every lot of vaccine is tested before administration to the public, and the FDA regularly inspects vaccine manufacturers' facilities.

Did you know?

The U.S. Pharmacopeia Medication Errors Reporting Program states that approximately 50% of all medication errors involve insulin.

Sleeping study Sleeping study
Microlensing Reveals an Extrasolar Planet Microlensing Reveals an Extrasolar Planet
The recent mass upheavals in Tunisia, Egypt, Libya, Yemen, and Syria gave political scientists a cha The recent mass upheavals in Tunisia, Egypt, Libya, Yemen, and Syria gave political scientists a cha
Lobster in a bucket looks like a gigantic monster on a metallic planet, and... Lobster in a bucket looks like a gigantic monster on a metallic planet, and...
Gland #1 (Hard) Picture 1 Gland #1 (Hard) Picture 1
Study of human diseases Study of human diseases
Video: Buffers definition and the role of buffer in the body

For a complete list of videos, visit our video library