What is the sun?
A star
The hottest main sequence star burns so hot it shows what color?
What is Blue
this star type makes up 90% of the stars in our universe
What cloud of gas do stars come from?
What is the nebula
what is the estimated lifespan of Earth?
what is 4.5- 4.6 billion years
the dark spots on the sun that are cooler than the area around it
What is sunspots
How long do red red stars shine for?
What is trillion years
This star is the coolest and longest living star
What is red dwarf
What is the force that pulls the star materials together?
What is gravity
What is the cloud of gas and dust around newly born planet?
What is nebula
What rays come off the sun?
Ultra Violet rays
The sun is in this most stable sequence of its life cycle
What is main sequence
This star our sun will eventually swell into
What is Red giant
What is the dust and gas cloud that forms before nucleus fusion starts?
What is protostar/ early star
What do planets do to the light form the sun?
What is reflect
What type of star is the sun?
A medium yellow star
What is the remnant of a super giant with a strong gravitational pull called?
What is Black hole
These stars are the largest and brightest star
What is supergiant
What gas makes up majority of a stars mass and fuel?
What is hydrogen
What are most stars and planets made of?
Hot burning glasses and debris
The sun will become this at the end of its lifespan?
What is white dwarf
what is the explosion at the end of a stars life cycle called?
What is supernova
these are the hottest type of star
what process makes the birth of a star official?
What is nuclear fusion
A glowing ball of plasma held together by its own gravity is called?
What is A star or a planet