« previous next »

Author Question: Which statement about Mars' two moons is FALSE? A) Both are in retrograde orbits. B) Both rotate ... (Read 40 times)

ssal

  • Hero Member
  • *****
  • Posts: 572
on: Jul 27, 2018
Which statement about Mars' two moons is FALSE?
 
  A) Both are in retrograde orbits.
  B) Both rotate synchronously, keeping one face turned towards Mars.
  C) Phobos is larger than Deimos.
  D) Phobos revolves around Mars in less than a Martian day.
  E) Both are very dark, heavily cratered bodies.

Question 2

How can the light reflected off a planet reveal information about its atmosphere, even though the planet is not creating this light?
 
  What will be an ideal response?


dellikani2015

  • Sr. Member
  • ****
  • Posts: 332
Reply #1 on: Jul 27, 2018
Answer to Question 1

A

Answer to Question 2

The light has to pass through the cool, thin gases in the planet's atmosphere, so that additional absorption lines will be added to the reflected light that were not present in the solar spectrum that reached the planet.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Many medications that are used to treat infertility are injected subcutaneously. This is easy to do using the anterior abdomen as the site of injection but avoiding the area directly around the belly button.

Did you know?

When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.

Did you know?

In most climates, 8 to 10 glasses of water per day is recommended for adults. The best indicator for adequate fluid intake is frequent, clear urination.

Did you know?

Immunoglobulin injections may give short-term protection against, or reduce severity of certain diseases. They help people who have an inherited problem making their own antibodies, or those who are having certain types of cancer treatments.

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.

Mars Rover Curiosity Mars Rover Curiosity
Changing Seasons on Mars Changing Seasons on Mars
An Active Avalanche on Mars An Active Avalanche on Mars
Water on Mars! Water on Mars!
Example of Reconciling a Bank Statement Cont. Example of Reconciling a Bank Statement Cont.
Midsagittal section indicating locations of true and false pelves Midsagittal section indicating locations of true and false pelves
Video: Dissociative Disorders (Part 2)

For a complete list of videos, visit our video library