lesson Write a review lesson Write a review beta EdBrAIn It EdBrAIn uses AI to customize lesson resources for your students’ needs. "Why aren't there any green stars?" Share Share On Facebook Share On Twitter Share On Pinterest Share On LinkedIn Share On Microsoft Teams Email Copy link Share Share On Facebook Share On Twitter Share On Pinterest Share On LinkedIn Share On Microsoft Teams Email Copy link Spitzer Science Center Subject Science — Earth and Space Science Grade Level Grades 9-12 License About Resources Reviews Related About This Lesson We see red stars, we see white stars, we see blue stars. But why not green? Dr. Michelle Thaller explains. Resources External resources http://www.spitzer.caltech.edu Website Videos "Why aren't there any green stars?" (Ask an Astronomer) Remote video URL Reviews Be the first to submit a review! Advertisement More from this Contributor Lesson Delta II Paper Model Activity • Grades 9-12 Spitzer Science Center Lesson Spitzer Lego Model Activity • Grades 9-12 Spitzer Science Center Lesson Spitzer Paper Model Activity • Grades 9-12 Spitzer Science Center Lesson Background Graphics Activity • Grades 9-12 Spitzer Science Center Lesson Delta II Paper Model Activity • Grades 9-12 Spitzer Science Center Lesson Spitzer Paper Model Activity • Grades 9-12 Spitzer Science Center