Science - AstronomyScience - AstronomyBy: PeterBy: Peter

QuestionQuestionHow many stars are How many stars are currently existing in currently existing in the universe?the universe?

WebsiteWebsitehttp://www.esa.int/Our_Activities/Space_Science/Herschel/How_many_stars_are_there_in_the_Universehttp://www.esa.int/Our_Activities/Space_Science/Herschel/How_many_stars_are_there_in_the_Universe

CamperCamper

Alphabet keyAlphabet key

Inventions that people Inventions that people use to learn astronomy.use to learn astronomy.

TelescopeTelescope

Paper/tabletPaper/tablet

Pencil/penPencil/pen

Space Space ships/shuttleships/shuttle

Nearest Nearest starstarThe The

sunsun

Top three Nearest Top three Nearest supergiant starsupergiant star

BetelgeusBetelgeusee

AntaresAntares

IK Pegasi IK Pegasi

InformationsInformationsThere's 100 million stars in There's 100 million stars in the Milky Way galaxy.the Milky Way galaxy.

There's billions of stars in the There's billions of stars in the universe.universe.

The sun is a star.The sun is a star.

There are millions upon There are millions upon millions of other galaxies.millions of other galaxies.

Maybe the answer is about Maybe the answer is about 125 billion billion billion 125 billion billion billion billion billion stars in the billion billion stars in the universe.universe.

Thank you for watching.Thank you for watching.

““The end” The end”