SPACE MATH 1 pdf - ER - Nasa

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Teacher’s Guide 14BUniversal Time (UT)Question 1 – If a magnetometer measured a magnetic field of 137,000 nT, how manyTesslas would that correspond to?Answer :137,000 nT 1 TesslaX= 0.000137 Tessla1 1,000,000,000 nTQuestion 2 – What is the corresponding Universal Time for 9:45 PM?Answer : 21:45 UT.Question 3 - From the above graph, at what time was the magnetic storm most severe?Answer: Students should look for the largest ‘absolute magnitude’ change in the graphfrom the ‘average’ level of 5900 nT. That occurs at about 16:00 UT.Question 4 – At what time did the storm episode begin and end?Answer: The ‘calm’ periods occurred between 00:00 and 09:00 and from 23:00 to 24:00.The storm period occurred between 09:00 and 21:00 UTQuestion 5 – As a percentage of 5900 nT, what was the largest change in the magneticfield?Answer: The largest change in terms of absolute magnitude occurred at 16:00 when themagnetic field went from 5900 nT to 4700 nT. This is a decrease of 1200 nT. As apercentage this was (1200/5900) x 100% = 20% from the non-storm conditions.Question 6 - How long did the magnetic storm last?Answer: The entire storm lasted 21:00 – 09:00 = 12 hours.Exploring Space Mathematicshttp://image.gsfc.nasa.gov/poetry
Name ________________________________15November 6 - 9, 2004 were very active days forsolar and auroral events. A major sunspot group,AR 0696, with a complex magnetic field producedseveral Coronal Mass Ejections and flares duringthis time. There was an X2.0-class solar flare onNovember 7, 16:06 UT and a CME ejection. OnNovember 9 and 12:00 UT, the beginnings of amajor geomagnetic storm started. The NOAASpace Weather Bulletin announced that:The Geomagnetic field is expected to be atunsettled to major storm levels on 09November due to the arrival of a CMEassociated with the X2.0 flare observed on07 November. Unsettled to minor stormlevels are expected on 10 November. Quietto active levels are expected on 11November.Many observers as far south as Texas andOklahoma reported seeing beautiful aurora onSunday night from an earlier CME/flare combinationon Saturday, November 6th. In the space providedbelow, calculate the speed of the CME as it traveledto Earth between November 7th - 9th assuming thatthe distance to Earth is 93 million miles, or 147million kilometers.Question 1 - How long did it take for the CME to arrive?Question 2 - What is the speed of the CME in miles per hour?Question 3 - What is the speed of the CME in kilometers per hour?Question 4 - What is the speed of the CME in miles per second?Question 5 - What is the speed of the CME in kilometers per second?Exploring Space Mathematicshttp://image.gsfc.nasa.gov/poetry
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