Dark Matter

The stuff that makes up you and me and all we observe in the universe is called ___

• theoretical matter

• dark matter

• normal matter

• dark energy

Tags

NGSS.HS-ESS1-2

Back in the 1600s, who figured out that the farther a planet is from the Sun, the slower it orbits?

• Galileo Galilei

• Johannes Kepler

• Isaac Newton

• Nicolaus Copernicus

Tags

NGSS.HS-ESS1-4

Which scientist developed the theory of gravity and calculated the strength of the Sun's gravity?

• Johannes Kepler

• Isaac Newton

• Galileo Galilei

• Leonardo da Vinci

Tags

NGSS.HS-PS2-4

You can't physically see nebulae move, but you can measure their Doppler shift, which gives you ___

• their size

• their luminosity

• the distance to their center

• their velocity

Tags

NGSS.HS-ESS1-2

Which astronomer determined that there must be dark material contributing to the gravity of spiral galaxies?

• Henrietta Swan Leavitt

• Vera Rubin

• Caroline Herschel

• Jocelyn Bell Burnell

Which astronomer coined the term "dark matter" to describe the mysterious material in galaxies?

• Edwin Hubble

• Carl Sagan

• Fritz Zwicky

• William Herschel

Compared to the visible matter, how much more dark material did Ruben determine existed in galaxies?

• two or three times more

• five or six times more

• at least a dozen times more

• about 400 times more

Tags

NGSS.HS-ESS1-2

One possible component of dark matter is screwy subatomic particles called ___

• axions

• muons

• quarks

• neutrinos

Which scientist had the big idea to treat space-time like a fabric that could warp?

• Michael Faraday

• Stephen Hawking

• Isaac Newton

• Albert Einstein

The bending of light rays due to a curvature of space-time is known as ___

• mass refraction

• gravitational lensing

• space-time reflection

• light warping