NASA | Why are We Seeing So Many Sungrazing Comets?

The video discusses the increase in known comets from less than a dozen in 1979 to about 2500 today. This rise is attributed to the Kreitz path, where comets follow a similar orbit. Comets fragment as they near the Sun, creating new generations. Technological advancements, like the ESA-NASA Soho mission, have improved comet detection, allowing even amateurs to discover comets. The video highlights the role of unexpected tools in comet research and encourages viewers to potentially spot new sungrazers.

What is the Kreitz path?

• A route taken by spacecraft to reach Mars

• An orbit followed by many comets near the Sun

• A path followed by all planets in the solar system

• A trajectory of asteroids in the asteroid belt

Why do some comets become completely vaporized as they approach the Sun?

• They collide with other comets

• They are too small to withstand the Sun's heat

• They are deflected by solar winds

• They are pulled into the Sun's core

What has contributed to the increase in the number of observed comets?

• Improved methods of observation

• A decrease in solar activity

• More comets being formed in the asteroid belt

• An actual increase in the number of comets

Which mission has significantly increased our ability to observe comets?

• Voyager

• Apollo

• Hubble

• Soho

What percentage of comets have been discovered by amateur astronomers?

• 75%

• 60%

• 90%

• 50%