In color photos, spirals typically have ________ arms with pink H II regions

Fill in the blank(s) with correct word


blue

Physics & Space Science

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Power: If electricity costs 7.06¢/kW?h, how much would it cost you to run a 120-W stereo system 4.0 hours per day for 4.0 weeks?

A. $0.95 B. $0.14 C. $1.62 D. $2.66

Physics & Space Science

Each of the following lists two facts. Which pair can be used with Newton's version of Kepler's third law to determine the mass of the Sun?

A) Mercury is 0.387 AU from the Sun, and Earth is 1 AU from the Sun. B) The mass of Earth is 6 × 1024 kg, and Earth orbits the Sun in 1 year. C) Earth rotates in 1 day and orbits the Sun in 1 year. D) Earth is 150 million km from the Sun and orbits the Sun in 1 year. E) Jupiter is the most massive planet and has a mass of 1.9 × 1027 kg.

Physics & Space Science

A 110-V hair dryer is rated at 1200 W. What current will it draw when operating from a 110-V electrical outlet?

A) 90 mA B) 1.0 A C) 5.0 A D) 11 A E) 14 A

Physics & Space Science

if you trace back the history of a carbon atom in your little finger through all of cosmic history, where did this atom originate?

What will be an ideal response?

Physics & Space Science