This Image Might Show Exomoons Forming! SciShow News

The video explores the discovery of a circumplanetary disk around exoplanet PDS70C, located 370 light years away. This discovery provides insights into planet and moon formation. The video also discusses Jupiter's auroras, which are powered differently than Earth's, due to its fast rotation and magnetic field. The study of Jupiter's magnetic field and auroras, using NASA's Juno spacecraft, reveals differences in electric currents compared to Earth, highlighting the need to explore diverse planetary phenomena to understand the universe better.

What is the significance of the circumplanetary disk discovered around PDS70C?

• It shows that the planet is shrinking.

• It confirms the presence of water on the planet.

• It indicates the presence of alien life.

• It provides insights into the formation of planets and moons.

What is the estimated dust mass in the circumplanetary disk around PDS70C?

• Half the mass of Earth

• Twice the mass of Earth

• Equal to the mass of Earth

• Between 0.2% and 0.4% the mass of Earth

How do Jupiter's auroras differ from those on Earth?

• They are powered by Earth's magnetic field.

• They are more intense and powered by charged particles from Io.

• They are less intense and powered by solar winds.

• They are the same as Earth's auroras.

What role do Berkland currents play in Jupiter's auroras?

• They create direct currents that power auroras.

• They are responsible for the planet's rotation.

• They connect the magnetic field with the upper atmosphere.

• They have no role in auroras.

What hypothesis is suggested about the electric currents inside Jupiter?

• They are caused by solar winds.

• They are weaker than Earth's currents.

• They consist of alternating currents due to turbulence.

• They are similar to Earth's currents.

What is the total electric current measured around Jupiter?

• 100 to 200 million amperes

• 1 to 2 million amperes

• 2 to 5 million amperes

• 6 to 91 million amperes

Why can't Earth be used as a direct template for studying Jupiter's auroras?

• Jupiter has no magnetic field.

• Earth's auroras are powered by the moon.

• Jupiter's auroras are not visible.

• Jupiter's electric currents are different due to turbulence.