We talk to Planck Scientists at the Kavli Institute in Cambridge, and Nick James, an amateur astronomer who has set up a security camera on the side of his house to observe shooting stars. Plus we answer more of your space science questions.
Download as mp3
01:15 - The cosmic microwave background
Anthony Challinor and Steven Gratton talk about the latest map of the cosmic microwave background from the Planck Space Telescope.
09:32 - Is there a standard stationary object in the Universe?
Many astronomers any physicists talk about objects in the Universe travelling at nearly the speed of light, for example the gas jets leaving a quasar, the matter in an accretion disk circulating around a black hole or the matter travelling away from a supernova, but my question i...
12:30 - The latest astronomy news
Robert Massey from the Royal Astronomical Society gives us an update on the latest astronomy headlines.
21:35 - Dark matter on the ISS
The AMS detector on the International Space Station may have found new evidence for the origin of dark matter.
25:47 - Filming shooting stars
Nick James explains how he films shooting stars using a security camera.
34:38 - Can IR filters improve a camera's function at night?
How do I make an IR filter that blocks the visible glow of IR flash but still functions so the camera can take a picture at night?
40:30 - Did 2012 DA14 change the Earth's orbit at all?
Did the asteroid that passed us change the Earth's orbit at all?
42:59 - Can a planet produce its own oxygen?
Can a planet produce its own oxygen?
47:36 - Measuring the Universe
Anthony Challinor and Steven Gratton explain how cosmologist decode the history of the Universe from the cosmic microwave background.