Livi7661 Livi7661

18-11-2021
Physics

contestada

why do we believe 90 percent of the mass of the milky way is in the form of dark matter?

Respuesta :

tandin5634 tandin5634

18-11-2021

Answer:

The orbital speeds of stars far from the galactic center are surprisingly high, suggesting that these stars are feeling gravitational effects from unseen matter in the halo.

Answer Link

Otras preguntas

Question:Soo needs 2 yards of molding to put around the bottom of a stand. He has two pieces of molding: one is 7/8 yard long and the other is 8/7 yards long.Es

What did the decree say that Gregory the VII ordered?

There were 75 pebbles in boxes a, b and c. After moving 28 pebbles from a to b, 24 pebbles from b to c, and 19 pebbles from c to a, there was an equal number of

40% of a number equals the difference between the number and 10

What is the geocentric theory ?

The tallest snowman ever recorded---really a snow woman named Olympia—was built by residents of Bethel, Maine, and surrounding towns. Her body and head together

Grant is thinking of two numbers. He says that one of the numbers is twice the other number and the sum of the number is 39. What are the numbers.

There were 75 pebbles in boxes a, b and c. After moving 28 pebbles from a to b, 24 pebbles from b to c, and 19 pebbles from c to a, there was an equal number of

What is the best estimate of 23% of 60?

what two sides emerged in response to the Declaration of independence? what did each Side favor?