A midterm

term used by scientists to describe the beginning of the universe

process by which two nuclei join

• asteriod
• cluster
• fusion
• planet
• redshift

any of the 8 primary bodies orbiting the sun

• asteriod
• cluster
• fusion
• planet
• redshift

small rocky object that orbits the sun

• asteriod
• cluster
• fusion
• planet
• redshift

group of stars or galalixies bound together by graivty

• asteriod
• cluster
• fusion
• planet
• redshift

piece of evidence of the big bang

• asteriod
• cluster
• fusion
• planet
• redshift

explosion of a star

• black hole
• galaxy
• quasar
• supernova

mass so massive and compressed not even light can escape its gravity

• black hole
• galaxy
• quasar
• supernova

group of billions of individual star, star systems bound together by gravity

• black hole
• galaxy
• quasar
• supernova

very luminous object that produces energy at a high rate

• black hole
• galaxy
• quasar
• supernova