subject
Physics, 03.12.2019 03:31 Heavenleigh302

Select the сorrect statements. check all that apply.
a) the milky way is not wider than it's thickness.
we see stars distributed more or less evenly across the sky.
shapley's 20th-century observations of globular cluster orbits, which center on a point about 30,000 light years from our sun, showed we weren’t in the center of the galaxy.
b) the milky way is much wider than it's thickness.
so it is a narrow band with many stars in it, while the sky outside the band has much fewer stars.
shapley's 20th-century observations of globular cluster orbits, which center on a point about 30,000 light years from our sun, showed we were in the center of the galaxy.

ansver
Answers: 2

Another question on Physics

question
Physics, 22.06.2019 06:10
Africtionless piston-cylinder contains 50 l of saturated liquid r-134a. the piston has a mass and an area resulting in an applied pressure of 500 kpa on the refrigerant. the refrigerant is now heated until its temperature rises to 70∘c. calculate the work (in kj) done during this process.
Answers: 3
question
Physics, 22.06.2019 13:20
Which of the following is the main energy source for the sun? a. fission of hydrogen b. fusion of hydrogen c. fusion of helium d. fission of iron
Answers: 2
question
Physics, 22.06.2019 15:00
10 points! will mark brainiest! in a heat engine if 1,000 j of heat enters the system and the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2,000 j 1: write the equation2: list out your known variables 3: plug the numbers into the equations 4: solve 5: write your solution statement that includes initial energy and final energy added you so much!
Answers: 2
question
Physics, 22.06.2019 17:20
Which is not true of the intertropical convergence zone? a) it features heavy precipitation b) it's where the trade winds collidec) it's a high-pressure zone with sinking air d) it is also known as the doldrums
Answers: 2
You know the right answer?
Select the сorrect statements. check all that apply.
a) the milky way is not wider than it's...
Questions
question
Mathematics, 10.11.2020 01:00
question
English, 10.11.2020 01:00
question
Mathematics, 10.11.2020 01:00
question
Mathematics, 10.11.2020 01:00