Sigge doesn’t share my enthusiasm for blanket burritos.
A wormhole? A GIANT spaceship? An intergalactic disco? None, actually.
This is, believe it or not, a real photo taken by the Chandra x-ray observatory. The central object is a quasar, RX J1131-1231 (RX J1131 for short), located about 6 billion light years from Earth.
According to Chandra, "Gravitational lensing by an intervening elliptical galaxy has created four different images of the quasar, shown by the Chandra data in pink.”
It’s certainly one of the clearest images of this effect we’ve seen in a while, and one of the sparkliest!
More info at http://chandra.si.edu/photo/2014/rxj1131/
I love gravitational lensing!
There must be something very satisfying in having Jeremy Clarkson beg you for money because he ran out of petrol. Especially if your name is James May.
May is a proper gentleman.
Creation Museum founder Ken Ham announced Thursday that enough money had been raised to begin construction of a 510-foot “replica” of Noah’s Ark as part of a multimillion-dollar Ark Encounter project. The Ark Encounter will sit on 800 ac…
What is Fire James?
Something really essential that we often take for granted.
To create fire you need three things:
- Some fuel
- A heat source
If we remove any one of these, then the fire will go out. When we apply sufficient heat to the fuel for it to reach its ignition point, the material will combust in the presence of oxygen.
Combustion is actually the process by which the fuel decomposes, its molecules breaking down, releasing and recombining with the oxygen to produce water, carbon dioxide, carbon monoxide and all sorts of other things.
The flames which we see are composed of incandescent soot, this is not fire, as ethanol for example, can produce fire without visible flames. Incandescence increases with temperature and so we can estimate the heat of the flames moving from red, through orange, to the hottest of all - white heat.
There’s much more to fire than this and James May explains all in this fantastic head squeeze video. If you enjoyed it as much as we did subscribe for more, like, share and give us your thoughts in the lively comments below.
OK, but this tho.
(Bill Nye and Neil deGrasse Tyson)
What looks like moss covering rocks is actually a very dense, flowering shrub that happens to be a relative of parsley, living in the extremely high elevations of the Atacama Desert in Chile. (Source)