How did the Martian soil become so heavily oxidized, giving it the reddish hue?

What will be an ideal response?


The reddish color of the Martian soil is caused by iron oxides (rusts), found in the soil.

Physics & Space Science

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An incompressible fluid is flowing through a vertical pipe with a constriction. The wide section is 2.00 cm in diameter and is at the top of the pipe. The pressure of the fluid in the wide section at the top is 200 kPa. The velocity of the fluid in the wide section is 4.00 m/s. The narrow section is located 4.00 m below the wide section. What is the diameter of the narrow section for the pressure of the fluid in the narrow section to equal the pressure in the wide section? (density of the fluid is 680

A. 1.50 cm B. 1.43 cm C. 1.36 cm D. 1.28 cm E. 1.15 cm

Physics & Space Science

The absolute magnitude of a star is how bright it appears if viewed from a distance of ________ light-years

Fill in the blank(s) with correct word

Physics & Space Science

The wavelength of a wave divided by the frequency of the wave is the wave's speed

a. True b. False Indicate whether the statement is true or false

Physics & Space Science

Star #1 is approaching the Earth with speed v. Star #2 is receding from the Earth with the same speed v. Measurements of the same spectral line from each of the stars show Doppler shifts in frequency. The light from which star will have the larger magnitude shift in frequency?

a. star #1 b. Both stars will have the same shift. c. The value of the speed must be known before an answer can be found. d. star #2

Physics & Space Science