« previous next »

Author Question: If the Earth's rotational axis were to be perpendicular to the ecliptic, seasonal variations on the ... (Read 51 times)

dollx

  • Hero Member
  • *****
  • Posts: 558
on: Jul 27, 2018
If the Earth's rotational axis were to be perpendicular to the ecliptic, seasonal variations on the Earth would
 
  a. be non-existent.
  b. remain the same as they are at now.
  c. have the same severity but each season would last twice as long.
  d. be much more severe.

Question 2

What is the total mass of a binary star system with P = 20 yr and a = 10 AU?
 
  a. 2 solar masses
  b. 2.5 solar masses
  c. 0.5 solar mass
  d. 80 solar masses
  e. 0.4 solar mass


Jane

  • Sr. Member
  • ****
  • Posts: 309
Reply #1 on: Jul 27, 2018
Answer to Question 1

A

Answer to Question 2

B


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.

Did you know?

According to the CDC, approximately 31.7% of the U.S. population has high low-density lipoprotein (LDL) or "bad cholesterol" levels.

Did you know?

This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.

Did you know?

Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.

Did you know?

Elderly adults are at greatest risk of stroke and myocardial infarction and have the most to gain from prophylaxis. Patients ages 60 to 80 years with blood pressures above 160/90 mm Hg should benefit from antihypertensive treatment.

Blue light is scattered more than other wavelengths by the gases in the atmosphere, giving the Earth Blue light is scattered more than other wavelengths by the gases in the atmosphere, giving the Earth
Rivers on Mars and Earth Rivers on Mars and Earth
How Axis Tilt Affects the Intensity of Solar Radiation How Axis Tilt Affects the Intensity of Solar Radiation
Earth scientists have devised a scheme to divide the planet’s natural history into distinct time ... Earth scientists have devised a scheme to divide the planet’s natural history into distinct time ...
Friction significantly influences airflow near Earth’s surface, but its effect is negligible at ... Friction significantly influences airflow near Earth’s surface, but its effect is negligible at ...
Idealized Tidal Bulges on Earth Idealized Tidal Bulges on Earth
Video: What are Taste Receptors? How Does it Work? Animation

For a complete list of videos, visit our video library