2 years ago

Considering how the predictions compare to the observations, what does this imply about the mass distributed in the galaxy?

1 answer:

8 0

Answer:

The observations show a higher velocity than is predicted, mainly in the galaxy's outer regions, indicating that there is more mass in the exterior areas than we can see.

You might be interested in

Pls help will mark brain

BartSMP [9]

Answer: 100 units

Explanation:

4 0

3 years ago

A train is running at a speed of 72 km per hour how long will it take to cover a distance of 300 km

dmitriy555 [2]

Answer:

4hrs

Explanation:

speed =72km/hr

distance= 300km

time =?

<h3><u>speed = distance/time</u></h3>

using this formula we make time the subject of the formula

time = distance/speed

time = 300/72

time = 4.1

therefore,

<em>time is equal to 4hrs</em>

3 0

3 years ago

Read 2 more answers

For the vectors in the figure, with a = 16, b = 12, and c = 20 what are (a) the magnitude and (b) the direction of a×b

SpyIntel [72]

16 × 12 = 192
a×b=192

8 0

3 years ago

Read 2 more answers

Leta Stetter Hollingworth conducted pioneering work on __________. A. identity development in ethnic minorities B. cognitive pro

rusak2 [61]

I believe the correct answer from the choices listed above is option D. Leta Stetter Hollingworth conducted pioneering work on adolescent development and gifted children. She <span>was an American psychologist who conducted pioneering work in the early 20th century. </span>

5 0

3 years ago

Read 2 more answers

Uno de los miembros de la familia tiene un grupo sanguíneo que no puede explicarse sobre la base de la herencia de este carácter

mixas84 [53]

wait what subject is this

4 0

3 years ago