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

Author Question: While more massive than most of its neighbors, our Sun is still technically a low-mass star. ... (Read 36 times)

vicky

  • Hero Member
  • *****
  • Posts: 586
on: Jul 27, 2018
While more massive than most of its neighbors, our Sun is still technically a low-mass star.
 
  Indicate whether the statement is true or false

Question 2

How have astronomers measured the acceleration of the universe?
 
  A) by measuring changes in galaxies' redshifts from year to year
  B) by comparing lookback times for white-dwarf supernovae (by measuring their apparent brightness) with the average distance between galaxies (based on their cosmological redshifts)
  C) They have not. It is a purely hypothetical idea.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

lorealeza77

  • Sr. Member
  • ****
  • Posts: 356
Reply #1 on: Jul 27, 2018
Answer to Question 1

TRUE

Answer to Question 2

B


vicky

  • Member
  • Posts: 586
Reply 2 on: Jul 27, 2018
Gracias!

Dinolord

  • Member
  • Posts: 313
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

The word drug comes from the Dutch word droog (meaning "dry"). For centuries, most drugs came from dried plants, hence the name.

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?

According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.

Did you know?

Adolescents often feel clumsy during puberty because during this time of development, their hands and feet grow faster than their arms and legs do. The body is therefore out of proportion. One out of five adolescents actually experiences growing pains during this period.

Did you know?

Hyperthyroidism leads to an increased rate of metabolism and affects about 1% of women but only 0.1% of men. For most people, this increased metabolic rate causes the thyroid gland to become enlarged (known as a goiter).

The greatest bone mass is found around age 30 for both men and women, with the later decline being f The greatest bone mass is found around age 30 for both men and women, with the later decline being f
Pressure is a result of the atmosphere’s mass. Pressure is a result of the atmosphere’s mass.
Air-Mass Thunderstorms Air-Mass Thunderstorms
How many grams of tartaric acid, H2C4H4O6, (molar mass = 150.10 g) are needed to How many grams of tartaric acid, H2C4H4O6, (molar mass = 150.10 g) are needed to
A 2.10-kg hammer is transported to the Moon. The radius of the Moon is 1.74 × 106 m, its mass ... A 2.10-kg hammer is transported to the Moon. The radius of the Moon is 1.74 × 106 m, its mass ...
Mottled Sea Star (Evasterias troschelii) eating a clam, Alaska. Mottled Sea Star (Evasterias troschelii) eating a clam, Alaska.
Video: Covalent bonds - role in the body

For a complete list of videos, visit our video library