Tonight’s Paranormal Radio Show Postponed

Tonight for my monthly Paranormal Radio slot, Captain Jack and I will be having a discussion about the threat of asteroids and comets to the Earth. It’s not a question of if we’ll get hit by an extinction-level event, it’s a question of when

Due to technical problems with the “voice of darkness” in the depths of Texas, tonight’s show about asteroids and interplanetary shooting galleries will have to be postponed for a couple of days. I hope it’s got nothing to do with those damn aliens or 2012 activists… Anyhow, for some reason Jack had to drive to Dallas, breaking all sorts of land-speed records, to buy a server…?!

Watch this space, I’ll update you with news as I get it…

In the mean time, check out the breadth of news items about space, politics, conspiracies, big foot and ghostly happenings at WPRT Radio

Why Can’t we see the Oort Cloud?

Hubble Space Telescope observation of Polaris – looking through the Oort Cloud, but not resolving any comets (Hubble)

The Oort Cloud is a mysterious entity. Located on the outskirts of the Solar System, this hypothetical region is probably the source of the long-period comets that occasionally pass through the inner planets’ orbits. The strange thing about these comets is that they have orbits inclined at pretty much any angle from the ecliptic which suggests their source isn’t a belt confined to the ecliptic plane (like the asteroid belt or Kuiper belt). Therefore, their proposed source is a cloud, acting like a shell, surrounding the Solar System.

OK, so we think the Oort Cloud is out there, and there is a lot of evidence supporting this, but why can’t we see the Oort Cloud objects? After all, the Hubble Space Telescope routinely images deep space objects like stars, galaxies and clusters, why can’t we use it to see embryonic comets within our own stellar neighbourhood?
Continue reading “Why Can’t we see the Oort Cloud?”