NASA | SDO: Three Years in Three Minutes--With Expert Commentary

The video from NASA's Goddard Space Flight Center showcases the sun's activity over three years, observed by the Solar Dynamics Observatory. It highlights features like lunar transits, solar flares, and the sun's rotation. The video explains solar differential rotation, the solar activity cycle, and the observation of the sun in various wavelengths, revealing sunspots, magnetic fields, and solar wind. It also covers the rare Venus transit, providing insights into these astronomical phenomena.

What is the significance of the lunar transit observed in the video?

Describe the features of the solar atmosphere as shown in the video.

What is differential rotation in the context of the sun?

Explain the solar activity cycle and its impact on sunspots.

What are the different wavelengths of light used to observe the sun, and what do they reveal?

How does the solar wind relate to the magnetic fields observed in the sun?

What astronomical event occurs when Venus moves in front of the sun?