Stars

fission is the process of splitting heavy atomic nuclei into smaller, lighter atomic nuclei.

Why do CME's cause disruptions to technology and communication?

B/c the _____contains 99 % of the mass in the solar system, it controls the planets motion.

Combining of lightweight nuclei into heavier nuclei

light form a source is moving toward an observer is _____, b/c it is moving towards the ____end

True or False: Fusion is the combining of lightweight nuclei into heavier nuclei

What is the Sun's main composition?

What is the first phase of a star's life cycle?

Earth is hit w/ particles and radiation after violent eruptions from the Sun’s surface called_.

Section of the H-R diagram into which about 90 percent of stars fall

The __________flows outward from the corona to the entire solar system.

Cloud of interstellar gas and dust that collapses on itself to form a new star

Group of bright stars named for an animal, a mythological character, or an everyday object

The _______________ is not solid, but gaseous, because of its high temperature.

The Sun's absolute magnitude is ______.

in the life cycle of stars- what does a supergiant become next?

Minimum to maximum sunspots, a reversal of polarity, & minimum to maximum sunspots over 22 yrs

Lowest layer of the Sun’s surface from which most of the light emitted by the Sun comes

Light from a star passes through cooler gases surrounding the star. refer to image: ___spectrum

What type of star is the Sun?

a phenomena that is a result of charged particles from the sun being directed toward the poles

light is moving away from an observer is ____ b/c it is moving toward the __end of the spectrum

What does a main sequence (average star) become next?

Small, massive, dense object that has a gravity so immense that nothing can escape it

a massive ball of plasma and gas that radiates light is a _______.

Visible light arranged according to wavelengths

The top layer of the Sun’s atmosphere is the low-density ____________ .