Which of the Jovian planets has a large, very visible ring system?

Which of the Jovian planets has a large permanent storm called the Great Red Spot?

Which of the Jovian planets has a large temporary storm called the Great Dark Spot?

Which Jovian planet has the most distinct banding pattern, with bands colored by carbon, sulfur, and phosphorus compounds

Which Jovian planet has a layer of frozen ammonia, giving the planet a yellow, hazy appearance that disguises its bands?

Which Jovian planet has an atmosphere rich in methane which gives it its blue color, and moons named for Shakespeare characters?

Which Jovian planet has an atmosphere rich in methane which gives it its blue color, and moons named for mythological sea gods?

The distance from an astronomical body at which its gravitational force can pull apart another astronomical body

The largest gap in Saturn's rings, caused by the gravitational pull of its moon Mimas

The Sun is ___% hydrogen by mass.

The Sun is ___% helium by mass.

A cloud of gas in the Sun’s outer atmosphere, often shaped like an arch, supported by the Sun’s magnetic field

A dark, cool region on the Sun's surface caused by intense magnetic fields blocking normal convection under the surface

A sudden increase in brightness of a small region on the Sun, caused by a magnetic disturbance

Period of time when very few sunspots were observed from 1645-1715.

How long is the solar cycle?

The cyclic change in solar activity, such as sunspots and solar flares, rising and declining periodically.

What is the color and spectral class of our Sun?

Which color of star is the coolest? (Remember: ROYGBIV)

Which color of star is the hottest? (Remember: ROYGBIV)

Which letter corresponds to the white dwarfs?

Which letter corresponds to the main sequence?

Which letter corresponds to the stars with the largest radius?

Which letter corresponds to the stars with the smallest radius?

Star in the formation stage that doesn’t perform nuclear fusion

Star that performs nuclear fusion, turning hydrogen into helium

The condition in which pressure and gravity in a star are in balance

The Milky Way Galaxy is believed to be a ___ galaxy

Galaxy that is often described as "egg-shaped."

Galaxy that has two or more arms winding out from a round center.

Galaxy that has two or more arms winding out from a rectangular or cylindrical center.

Galaxy that is "lens-shaped" and is an intermediate shape between two others.

Type of galaxy whose shape does not conform to any pattern or structure.