The visible parts of galaxies contribute about 10 percent of the critical density of the universe

Indicate whether the statement is true or false


FALSE

Physics & Space Science

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Which of the following is true of the star clusters in the Milky Way?

A) Open clusters are widely scattered in the Milky Way. B) Globular clusters are concentrated along the disk of the Milky Way. C) Open clusters are more common toward the constellation Sagittarius. D) Globular clusters are much too far away to have measureable parallaxes.

Physics & Space Science

Coil 1, connected to a 100 ? resistor, sits inside coil 2 . Coil 1 is connected to a source of 60 cycle per second AC current. Which statement about coil 2 is correct?

a. No current will be induced in coil 2. b. DC current (current flow in only one direction) will be induced in coil 2. c. AC current (current flow in alternating directions) will be induced in coil 2. d. DC current will be induced in coil 2, but its direction will depend on the initial direction of flow of current in coil 1. e. Both AC and DC current will be induced in coil 2.

Physics & Space Science

Which of the following best describes the image from a plane mirror?

a. virtual and magnification equal to one b. real and magnification equal to one c. real and magnification less than one d. virtual and magnification greater than one

Physics & Space Science

What was wrong with the hubble that it needed maintenance?

What will be an ideal response?

Physics & Space Science