Why are SOHO (the Solar and Heliospheric Observatory) and the Solar Dynamics Observatory (SDO) positioned beyond Earth's magnetosphere?
What will be an ideal response?
To ensure that particles from the Sun are not deflected by Earth's magnetic field before the observatories can study them.
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Two identical bar magnets are placed rigidly and anti-parallel to each other as shown. At what locations, if any, is the net magnetic field close to zero?
Is heat absorbed or released by ice when it melts?
The external region of the Sun that tends to be pink is the
A) photosphere. B) chromosphere. C) mesosphere. D) corona.
Waves are altered when they enter shallow water. They change
A) direction by refraction, they steepen and break. B) direction by refraction, they increase in speed, steepen, and break. C) direction by reflection, they increase in energy, steepen, and break. D) intensity by refraction, they lose energy, steepen and break.