Physics, 16.10.2020 15:01 doodlean4969
What was Edwin Hubble's contribution to the field of astronomy?
A. He discovered variable stars.
B. He proved that the heliocentric model accurately described our solar system. C.
He found a relationship between the period luminosity and distance of stars. D.
He proved that the universe is finite.
E.
He discovered that the universe was expanding.
Answers: 1
Physics, 22.06.2019 17:50
If there's a small amount of friction between two surfaces, the result could be select all that applya. no movement b. heatc. a little bit of movementd. sliding around
Answers: 2
Physics, 22.06.2019 23:50
The star nearest to our sun is proxima centauri, at a distance of 4.3 light-years from the sun. how far away, in km, is proxima centauri from the sun?
Answers: 3
Physics, 23.06.2019 09:50
Make a drawing of the electric field lines around a positive charge, then make a second drawing of the electric field lines around a negative charge.
Answers: 3
Physics, 23.06.2019 17:00
Which kind of wave would be observing in outer space between planets where there is little matter
Answers: 3
What was Edwin Hubble's contribution to the field of astronomy?
A. He discovered variable stars.
Mathematics, 12.10.2020 14:01
Mathematics, 12.10.2020 14:01
Biology, 12.10.2020 14:01
History, 12.10.2020 14:01
Mathematics, 12.10.2020 14:01
Mathematics, 12.10.2020 14:01
Social Studies, 12.10.2020 14:01
English, 12.10.2020 14:01
Mathematics, 12.10.2020 14:01