8.1 Flashcards
Constellation
A group of stars that from earth form a recongnixable form Examples Ursa major Ursa Minor Cassiopeia Orion Pegasus Sagittarius
Asterisms
Smaller recongnixable patterns within constellations
Astronomical phenomenon
A term that refers to any observable occurrence relating to astronomy
Protostar
A star in its first stage of formation
Chromosphere
A thin layer in the suns atmosphere that lies anove the photosphere
Photosphere
The part of the sun we see from earth has the lowest temperature
Corona
Outmost layer of the sun p
Sunspot
A region on the suns surface that is cooler than surrounding areas
Prominence
A large often curved bright stream of particles extending outward from the photosphere and into the corona
Solar flare
A massive explosion at the surface of the sun
Coronal mass ejection
Extremely powerful kind of flare
Solar wind
And explosion caused when loops in the sunspot region suddenly connect
Constant flow of particles streaming out of the suns surface in all directions
Aurora borealis
Light displays caused by solar wind
Comet
Celestial object made of ice and dust
Meteor
A object that upon entering earth burns up