The Mission of NASA rsquo s Global Scale Observations of the Limb and Disk GOLD is to 1 Shed light o...........

Science Affairs Space

The Mission of NASA’s Global-Scale Observations of the Limb and Disk (GOLD) is to

1.Shed light on how the uppermost layers of Earth’s atmosphere can be affected by powerful space and Earth-based weather events

2.Draw an infrared map of the innermost layers of the earth showing their structural and chemical composition

Which of the above is/are correct?

1 only

2 only

Both 1 and 2

None

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Explanation:

Earth’s atmosphere is a complex, multi-layered protective shell that envelopes our planet, and safeguards its inhabitants from dangerous space weather emanating largely from our Sun.
This tenuous region of the atmosphere has been known to undergo swift and significant changes in less than an hour.
These fluctuations can be driven by the constant interactions between the ionosphere and thermosphere, in conjunction with weather emanating from both Earth and space.
The complexity of these interactions makes it very difficult to predict when an atmospheric change in the ionosphere and thermosphere will occur, and this can be a serious problem for satellite communications. Justification: GOLD is essentially an imaging spectrograph. Spectrographs are scientific instruments that have been designed to break light down into its constituent wavelengths and to measure their intensity.
By examining the data from such an instrument, scientists can determine a wide variety of characteristics, including a target’s composition and temperature. GOLD will be tasked with collecting far ultraviolet light data on Earth’s atmosphere.
GOLD will focus its attention on a relatively poorly-understood region of the upper atmosphere, where the charged particles of the ionosphere mingle with the diffuse neutral gasses that make up the thermosphere.