21st Century Astronomy
21st Century Astronomy
6th Edition
ISBN: 9780393428063
Author: Kay
Publisher: NORTON
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Chapter 9, Problem 9QP
To determine

Reason why atmosphere of Mars is often pink-orange.

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The planet Venus is different from the earth in several respects. First, it is only 70% as far from the sun. Second, its thick clouds reflect 77% of all incident sunlight. Finally, its atmosphere is much more opaque to infrared light. Calculate the solar constant at the location of Venus, and estimate what the average surface temperature of Venus would be if it had no atmosphere and did not reflect any sunlight.
What is one of the Mars missions that is currently operating and write about the mission’s history, goals, and accomplishments to date.
3. Several years ago, NASA conducted the Lunar CRater Observation and Sensing Satellite (LCROSS)mission to look for evidence of water deep in craters near the south pole of the Moon(www.nasa.gov/mission_pages/LCROSS/main/index.html). Preliminary analysis of the LCROSS data hasalready demonstrated that there are indeed signifcant quantities of water on the Moon—a useful thingto know if we ever decide to build a permanent base on the Moon. The LCROSS spacecraft waslaunched from Earth aboard at Atlas V rocket on 18 June 2009. It was then sent on its way to the Moonby a Centaur transfer stage rocket. On 9 October 2009, while being observed by the LCROSS spacecraft,the Centaur rocket crashed into a crater at the south pole of the Moon creating a huge plume of Lunardust. Instruments on the LCROSS spacecraft measured the spectroscopic properties of this dust andradioed this data back to Earth for analysis. Then, 4 minutes after the Centaur rocket impacted theMoon, the LCROSS spacecraft itself…
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