What is the approximate surface temperature of a star with weak hydrogen absorption lines and strong ...

Author Question: What is the approximate surface temperature of a star with weak hydrogen absorption lines and strong ... (Read 76 times)

moongchi

Hero Member
Posts: 516

on: Jul 27, 2018

What is the approximate surface temperature of a star with weak hydrogen absorption lines and strong absorption lines of ionized calcium?

A) 4,500 K B) 6,500 K C) 5,500 K D) 3,500 K

Question 2

Which jovian planet should have the most extreme seasonal changes?

A) Uranus B) Saturn C) Neptune D) Jupiter

tkempin

Sr. Member
Posts: 332

Reply #1 on: Jul 27, 2018

Answer to Question 1

C

Answer to Question 2

A

Need homework help now?

Ask unlimited questions for free

Ask a Question

« previous next »

Did you know?

Disorders that may affect pharmacodynamics include genetic mutations, malnutrition, thyrotoxicosis, myasthenia gravis, Parkinson's disease, and certain forms of insulin-resistant diabetes mellitus.

Did you know?

About 3.2 billion people, nearly half the world population, are at risk for malaria. In 2015, there are about 214 million malaria cases and an estimated 438,000 malaria deaths.

Did you know?

Opium has influenced much of the world's most popular literature. The following authors were all opium users, of varying degrees: Lewis Carroll, Charles, Dickens, Arthur Conan Doyle, and Oscar Wilde.

Did you know?

Signs and symptoms that may signify an eye tumor include general blurred vision, bulging eye(s), double vision, a sensation of a foreign body in the eye(s), iris defects, limited ability to move the eyelid(s), limited ability to move the eye(s), pain or discomfort in or around the eyes or eyelids, red or pink eyes, white or cloud spots on the eye(s), colored spots on the eyelid(s), swelling around the eyes, swollen eyelid(s), and general vision loss.

Did you know?

Your chance of developing a kidney stone is 1 in 10. In recent years, approximately 3.7 million people in the United States were diagnosed with a kidney disease.