7.3 star groups
Stars & Constellations Week 7. What is a star? a ball of gas held together by its own gravity gravitational force continually tries to collapse the star.
Stars Comparison of ground-based observation of the globular cluster M4 with an HST image showing white dwarfs. (Produced with the Wide-Field Planetary.
Novas Occurs in binary star system It is a star that suddenly increases in brightness and slowly becomes dimmer Gases from one of the stars occasionally.
Constellations. The rotation of the earth causes the apparent daily motion of stars. The rotation of the earth causes the apparent daily motion of stars.
Star evolution
Star evolution Chapters 17 & 18 (Yes, we skip chap. 16, star birth)
Galaxies. Our Solar System – a Speck in the Milky Way Our galaxy is about ____________in diameter ▫What’s a ly again? It is _______________thick at its.
Ursa Major Constellation: The Great Bear. Ursa Major Ursae Majoris Abbreviation Uma On meridian 9pm April 20.
Ch. 27 Stars and Galaxies Ch. 27.1 Characteristics of Stars.
