Magnetics Business & Technology - May/June 2020 - 6

FEATURE ARTICLE

Magnetics Technology Flying High, Hot & Cold in Solar Orbiter Mission to the Sun

Magnetics technology is flying high, hot and cold in the European
Space Agency's Solar Orbiter mission to the sun. An extremely
sensitive magnetometer built by Imperial College of London is
a central element of the journey. A pair of specially configured
Neodymium permanent-magnet micromotors from Maxon are
also onboard playing a crucial supporting role, and a magnetometer from a French research agency will help another instrument
characterize heating of the turbulent solar wind.
Launched February 10, Solar Orbiter will
remotely measure the polar magnetic fields of
the Sun for the first time. Imperial's magnetometer, one of 10 instruments aboard, was
the first to turn on, sending back data that
shows it working even better than expected.
"We are delighted with the measurements
and the performance of the instrument, it
looks even better than we hoped it would,"
reported Helen O'Brien of Imperial, the instrument manager.
Helen O'Brien
holding the
magnetometer at
Imperial College

6

It is designed to help answer one of the top
science questions to be explored by Solar
Orbiter. The Sun's magnetic field dominates the solar atmosphere. It produces all
the observed energetic phenomena and
displays an 11-year activity cycle but details

Magnetics Business & Technology * May/June 2020

of the so-called "solar dynamo" processes that power the Sun's
magnetic activity cycle are not yet fully understood.
The magnetometer will play a key role in understanding how the
magnetic field links into the interplanetary medium and how longterm proxy records can be signatures for changes in solar conditions. Solar wind fills the solar system with charged particles and
the Sun's magnetic field, which can interact with the Earth's magnetic field. This can cause issues for power grids and electronics
on Earth, as well as satellites and astronauts in space.
Meanwhile, the motors from
Maxon will be powering the
opening and closing of a
shutter that protects another
instrument, a delicate spectrometer-telescope for imaging
X-rays whose purpose is to
study solar eruptions more
closely and may even assist in
predicting large-scale eruptions in the future. They are
designed to endure five years
of challenging conditions.

www.MagneticsMag.com


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Magnetics Business & Technology - May/June 2020

Table of Contents for the Digital Edition of Magnetics Business & Technology - May/June 2020

Magnetics Business & Technology - May/June 2020
Contents
Editor’s Choice/ Features
Magnetics Technology Flying High, Hot & Cold in Solar Orbiter Mission to the Sun
Carpenter Technology Moves Forward in Soft Magnetics and Additive Manufacturing, Exclusive Interview with CEO Tony Thene
Technique Uses Magnets and Light to Control, Reconfigure Soft Robots
Research & Development
Product News
Industry News
Annual Industry Resource Guide
Events Calendar/ Advertising Index
Magnetic Field at Martian Surface Ten Times Stronger than Expected
Visions
Magnetics Business & Technology - May/June 2020 - Magnetics Business & Technology - May/June 2020
Magnetics Business & Technology - May/June 2020 - Cover2
Magnetics Business & Technology - May/June 2020 - Contents
Magnetics Business & Technology - May/June 2020 - Editor’s Choice/ Features
Magnetics Business & Technology - May/June 2020 - 5
Magnetics Business & Technology - May/June 2020 - Magnetics Technology Flying High, Hot & Cold in Solar Orbiter Mission to the Sun
Magnetics Business & Technology - May/June 2020 - 7
Magnetics Business & Technology - May/June 2020 - 8
Magnetics Business & Technology - May/June 2020 - 9
Magnetics Business & Technology - May/June 2020 - Carpenter Technology Moves Forward in Soft Magnetics and Additive Manufacturing, Exclusive Interview with CEO Tony Thene
Magnetics Business & Technology - May/June 2020 - 11
Magnetics Business & Technology - May/June 2020 - 12
Magnetics Business & Technology - May/June 2020 - 13
Magnetics Business & Technology - May/June 2020 - 14
Magnetics Business & Technology - May/June 2020 - 15
Magnetics Business & Technology - May/June 2020 - 16
Magnetics Business & Technology - May/June 2020 - 17
Magnetics Business & Technology - May/June 2020 - Research & Development
Magnetics Business & Technology - May/June 2020 - 19
Magnetics Business & Technology - May/June 2020 - 20
Magnetics Business & Technology - May/June 2020 - 21
Magnetics Business & Technology - May/June 2020 - 22
Magnetics Business & Technology - May/June 2020 - 23
Magnetics Business & Technology - May/June 2020 - Product News
Magnetics Business & Technology - May/June 2020 - 25
Magnetics Business & Technology - May/June 2020 - 26
Magnetics Business & Technology - May/June 2020 - 27
Magnetics Business & Technology - May/June 2020 - Industry News
Magnetics Business & Technology - May/June 2020 - 29
Magnetics Business & Technology - May/June 2020 - 30
Magnetics Business & Technology - May/June 2020 - 31
Magnetics Business & Technology - May/June 2020 - 32
Magnetics Business & Technology - May/June 2020 - 33
Magnetics Business & Technology - May/June 2020 - Annual Industry Resource Guide
Magnetics Business & Technology - May/June 2020 - 35
Magnetics Business & Technology - May/June 2020 - 36
Magnetics Business & Technology - May/June 2020 - 37
Magnetics Business & Technology - May/June 2020 - 38
Magnetics Business & Technology - May/June 2020 - 39
Magnetics Business & Technology - May/June 2020 - 40
Magnetics Business & Technology - May/June 2020 - 41
Magnetics Business & Technology - May/June 2020 - 42
Magnetics Business & Technology - May/June 2020 - 43
Magnetics Business & Technology - May/June 2020 - Events Calendar/ Advertising Index
Magnetics Business & Technology - May/June 2020 - 45
Magnetics Business & Technology - May/June 2020 - Visions
Magnetics Business & Technology - May/June 2020 - Cover3
Magnetics Business & Technology - May/June 2020 - Cover4
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