How do radio telescopes work?

Astronomers have different ways of watching the universe, including optical telescopes like Hubble and radio telescopes like the SKA. But how do radio telescopes actually work? This animation shows you how both dish and dipole antennae receive radio waves to … Continued

How many stars are there in space?

Exactly how many stars are in space? – MeeSong. Astronomer Brian Jackson answers a student’s question about the number of stars in space, and the answer is mind-boggling. This explainer article and resource are best suited to Earth and Space … Continued

A Spacetime Trilogy with Jared Kaplan

Jared Kaplan, theoretical physicist at John’s Hopkins University, looks to black holes, gravity, and even a dazzle of zebras, to examine profound and whimsical questions about spacetime and our universe. This film series was submitted to the SCINEMA 2021 International … Continued

This planet literally has an iron sky

Iron and titanium have been found in the atmosphere of the super-hot giant exoplanet, KELT-9b. Learn how scientists use chemistry and technology to analyse elements throughout the universe in this resource for Year 8 and 10 students. Word Count: 508 … Continued