Define - Star
What is - a massive celestial body that is made of gas and emits light and electromagnetic energy.
What is - Diagnal
What is the Surface Temperature of a Blue Star?
What is - +30,000 degrees Celcius
What is the surface temperature of a orange star?
What is - A nebula.
What is the cause of a star?
What is - Nuclear fusion
The Coolest and least luminescent stars are _______ ________ on the HR - Diagram.
Where is - Bottom Right
What is the Surface Temperature of a Blue-white star?
What is - 10,000-30,000 degrees Celcius.
What is the surface temperature of a Red star?
What is - 3,500 degrees Celcius.
What is a Nebula?
What is - Dust/Gas.
What tool do scientists use to figure out what stars are made of and what their temperature.
The hottest and most luminescent stars are ____ ____ on the HR - Diagram
Where is - Top left
What is the Surface temperature of a white star?
What is - 7,500-10,000 degrees Celcius.
The color of stars tells us its _________.
Giants can be very bright but not ______
What is - Hot
What are stars made of?
What are - Hydrogen, Helium, and little carbon, oxygen, and nitrogen.
Define - Main Sequence.
What is - The location on the HR Diagram where most stars lie; it has a diagonal pattern from the lower right to the upper left.
What is the Surface temperature of a yellow - white star?
What is - 6,000-7,500 degrees Celcius.
What are Blue stars called?
White dwarfs are very hot and dense but not very ______.
How far does light go in one year? ( km )
What is - 9.46 trillion km.
Define - Luminescence.
What is - The emission of light by a substance that has not been heated.
What is the Surface temperature of a yellow star?
What is - 5,000-6,000 degrees Celcius.
What are yellow stars called?
What are - Polaris.
What is a Nova.
What is - a star that gets brighter suddenly.