Can Light Orbit a Black Hole?

Posted on 10 July 2008

Black holes are very interesting things, aren’t they? There’s something fascinating about those things which are so hard to understand. Black holes are one of the most asked about objects at almost any public space talk. Certainly school children seem to be obsessed with them! This week I had more than one person ask about them via email.

Glowing Samples

Posted on 04 July 2008

We did a cool experiment last Wednesday about the UV properties of various liquids. It yielded this very cool picture which looks like something from science fiction.

What Do You Think?

Posted on 04 July 2008

I’d like to hear your thoughts on the things you like and dislike about Orbiting Frog and any changes or modifications you’d like to see. This could include anything from the way the blog looks and feels to the topics covered or the regularity of updates.

New Kids on the Blog

Posted on 03 July 2008

There is a new batch of astronomy blogs to be inspected. This cohort hails from the Discovery Channel and here I dissect and review them all. Why? Not sure really, seemed like a good idea to spread the word. They seem like a good bunch of space people.

Make Your Own Spectrometer

Posted on 02 July 2008

Spectrometers are used, like prisms, to spread light out into the component colours. This enables us to understand the compositions of everything from stars to streetlights. Here I show you how to make your own spectrometer and give you a few examples of what you can see with it.

SCUBA-2 vs Plutonium

Posted on 01 July 2008

A radiation incident has stalled work on SCUBA2, meaning the high-tech submillimetre camera is once again delayed.

See more articles in the archive

Video Content

Home Made Plasma, Country Wife

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Here is a short science experiment at home. They guy seems to be showing us how to create a plasma inside our microwaves (please be very careful if you actually want to try it). The video is hilarious though for the reaction of the guys wife/girlfriend at the very end.

YouTube - Home Made Plasma

Other Videos:

Asides

Sunshine on a Rainy Day

Posted on 23 July 2008

Ah here I am in ever-so sunny Aix in the south of France. I’m blogging from my iPhone right now because I’m by the pool and too comfy to go and find my laptop. I’m also testing out the Wordpress app from the App Store.

The skies here are big and…

Orbiting Frog

What Do You Think?

Posted on 04 July 2008

I’d like to hear your thoughts on the things you like and dislike about Orbiting Frog and any changes or modifications you’d like to see. This could include anything from the way the blog looks and feels to the topics covered or the regularity of updates.

Skynotes

Night Sky Note for July 16, 2008

Posted on 16 July 2008

Tonight: Mercury is 30° to the lower left of the star Aldebaran. Look for Mercury in the morning sky an hour before sunrise. Mercury will be very low in the ENE. The quick moving planet is 15° from the Sun and moving about a degree closer to it each day.…

Earth

UK Physics Names Funding Drop Outs

Posted on 04 July 2008

The powers that be have decreed that some ereas of physic are more equal than others. The BBC has a good summary.

Exploration

Spitzer and the Location of my Missing Week

Posted on 17 July 2008

You may have noticed that I have ‘fallen off the internet’ this week, as a friend of mine recently said in a text message. Well the reason is that I have been attending a meeting about star formation and the Spitzer Space Telescope.

In Orbit

Astronaut At Work

Posted on 12 June 2008

Astronaut Ron Garan works on assigned tasks during the last scheduled spacewalk of the STS-124 mission specialist. A great photo of one of Colbert’s heroes at work.

Internet

Tonight: A Line of Planets

Posted on 05 July 2008

Tonight, July 5, look west and you’ll see a temporary “Belt of Three Stars”. Saturn, Mars and the star Regulus are sitting by Leo in a chance alignment that literally will only happen tonight. Very cool.

Carnival of Space

Carnival of Space 61

Posted on 03 July 2008

Mang is hosting his first Carnival of Space this week. I’d like to highlight a couple of articles from the list here, too.

Google Earth

.Astronomy Conference

Posted on 27 May 2008

I am running a conference in September and I’m inviting astronomers and astronomy bloggers from anywhere! If you’re interested in how astronomy and the internet can combine to produce new and interesting tools for research and communication then this conference is for you.

Science at Home

Make Your Own Spectrometer

Posted on 02 July 2008

Spectrometers are used, like prisms, to spread light out into the component colours. This enables us to understand the compositions of everything from stars to streetlights. Here I show you how to make your own spectrometer and give you a few examples of what you can see with it.

Solar System

The Font Sizes of the Planets

Posted on 24 June 2008

A nifty graphic showing the sizes of the planets, moons, comets, asteroids and plutoids in relative font sizes. Best viewed very large!

Universe

Can Light Orbit a Black Hole?

Posted on 10 July 2008

Black holes are very interesting things, aren’t they? There’s something fascinating about those things which are so hard to understand. Black holes are one of the most asked about objects at almost any public space talk. Certainly school children seem to be obsessed with them! This week I had more than one person ask about them via email.

Flickr Photos - See all photos

Imaging Guide Cameragalaxy linesImaging Jupiter on top of Mount Sale near Revelstoke, British ColumbiaM8 Lagoon Nebula M16 Eagle NebulaM27 Dumbell NebulaMoon - Day 9Mountains of the MoonSouthern Highlands

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