Space Plasmas MCQs with Answers

What instrument is used to measure the properties of space plasmas?

What is the term for the area where the Earth's magnetic field lines are closed and form a cavity?

What is the name of the phenomenon where the Earth's magnetic field lines are stretched by the solar wind?

What is the term for the thin region of plasma at the edge of the heliosphere?

What is the term for the point where the pressure from the solar wind balances the Earth's magnetic field pressure?

Which spacecraft was the first to leave the heliosphere and enter interstellar space?

What is the term for the ring of charged particles trapped by a planet's magnetic field?

What region of space is dominated by the Earth's magnetic field?

What is the primary driver of space weather?

Which part of the sun is primarily responsible for emitting solar wind?

What is the name of the boundary between the Earth's magnetosphere and the solar wind?

What is the term for the stream of charged particles released from the upper atmosphere of the Sun?

Which spacecraft explored the boundary regions of the heliosphere?

What region of space is filled with plasma originating from the solar wind and interstellar medium?

What is the primary component of space plasmas?

Which mission was launched to study the magnetosphere of Jupiter?

Which planet has a magnetosphere similar to Earth's?

What is the name of the energetic particles that originate from the sun and travel through space?

What is the term for the high-energy particles that originate outside the solar system?

Which phenomenon occurs when the solar wind's magnetic field reconnects with the Earth's magnetic field?

What is the name of the current sheet that separates the northern and southern magnetic hemispheres of the Sun?

What is the phenomenon where charged particles are accelerated along the magnetic field lines of a planet?

Which spacecraft first provided direct measurements of the solar wind?

What is the primary component of the solar wind?

What is the term for the interaction region where the solar wind slows down and piles up as it approaches the heliopause?

What is the term for the boundary where the solar wind meets the interstellar medium?

What is the main cause of auroras on Earth?

What is the term for the flow of charged particles that travel from the sun to the Earth?

What is the primary effect of the Earth's magnetosphere on solar wind particles?

What is the name of the process that heats the solar corona to millions of degrees?

What is the term for the protective bubble created by the solar wind around the solar system?

Where is the solar wind generated?

What is the term for the tail region of the magnetosphere?

What is the name of the region where the Earth's magnetic field traps charged particles?

What is the name of the shock wave formed by the solar wind as it collides with the interstellar medium?

What is the effect of coronal mass ejections on Earth's magnetosphere?

What is the main component of the ionosphere?

What is the main source of plasma in the heliosphere?

What type of waves are generated by the interaction of the solar wind with the Earth's magnetic field?

What is the effect of solar storms on Earth's communication systems?