1/6 - Star Brightness

Discover star brightness! Learn what makes stars shine and how many we can see.

Read the short article on stars below (or listen to Miss A read) and be ready to answer some questions about stars! What is a star? a planet a ball of gas a moon a yellow orb What two gases make up stars? helium and hydrogen helium and oxygen hydrogen and oxygen gas What do you think the word luminous means? dark gassy full of light beautiful About how many stars can we see from the Earth WITHOUT a telescope? 5 billion 5 million 5 thousand 5 hundred Even though most stars are smaller than the sun, some stars can get up to how many times larger than the sun? 100 times 200 times 300 times 400 times Use the article and the chart on the article to answer the questions below! The closest star to the Earth is the sun.The farthest star from Earth (Nu2 Lupi) is 48 light years away.Alpha Centauri A is the second closest star to the Earth and is 4.4 light years away.One light year is 10 trillion kilometers.One light year is the total distance that a beam of light travels in one year.