
Search found 1047 matches
- Wed Sep 23, 2009 12:46 pm
- Forum: General chat
- Topic: GOCE Earth explorer satellite
- Replies: 17
- Views: 4365
- Wed Sep 23, 2009 10:45 am
- Forum: General chat
- Topic: GOCE Earth explorer satellite
- Replies: 17
- Views: 4365
The launch of GOCE has been postponed until October 5. It has the potential to produce flares similar to those of the Iridium satellites. Am confused. It says here it was launched from Russia in March but the solar panels will not align fully until this week. A very interesting piece of kit, with B...
- Sat Aug 01, 2009 7:41 pm
- Forum: General chat
- Topic: Amateur detects Venus spot, possibly volcanic activity
- Replies: 0
- Views: 582
Amateur detects Venus spot, possibly volcanic activity
Nice to see that amateurs are still detecting valuable science in our solar neighbourhood.
- Mon Jun 15, 2009 4:26 pm
- Forum: General chat
- Topic: Observing chairs
- Replies: 3
- Views: 1107
- Wed May 13, 2009 1:57 pm
- Forum: Astrophysics
- Topic: Gravitational waves
- Replies: 2
- Views: 2268
Re: Gravitational waves
The neutron stars lose energy via gravitational radiation. If you concentrate hard, Wikipedia has a succinct answer.
- Thu Apr 30, 2009 10:27 am
- Forum: Astrophysics
- Topic: Hubble galaxy spacings
- Replies: 6
- Views: 3365
What I don't understand about space expanding, Joe, is why we are not expanding too. After all, we are in and of space like everything else. Is there something about baryonic matter that excludes it from expanding in the same way that the space vacuum does and at the same rate? My understanding is ...
- Wed Apr 29, 2009 11:25 pm
- Forum: General chat
- Topic: Astronomy for part-blind/blind and deaf people: resources
- Replies: 5
- Views: 1221
I have to say that if I were blind I would find it all very frustrating! If I couldn't see the moon or a planet, I wouldn't really want to have someone else's description of it. Not really. Think about it. Written astronomy can be very captivating. Who can not be affected by the words of Apollo 14'...
- Wed Apr 22, 2009 4:09 pm
- Forum: General chat
- Topic: Quiet Sun - good time to get a solar telescope?
- Replies: 11
- Views: 2154
So if anything whilst all the tight fisted astronomers are waiting for equipment prices to drop (how long is it expected that prices will drop ?) meanwhile some equipment makers will go out of business. So in the long term astronomical equipment prices will increase and people will have even less s...
- Wed Apr 22, 2009 11:08 am
- Forum: General chat
- Topic: Lightest Exoplanet Is Discovered... only 1.9 Earth Masses...
- Replies: 5
- Views: 1429
- Tue Apr 21, 2009 8:49 am
- Forum: General chat
- Topic: Quiet Sun - good time to get a solar telescope?
- Replies: 11
- Views: 2154
Quiet Sun - good time to get a solar telescope?
Interesting piece about unusually low sun activity levels, the Maunder minimum and whether we're heading for another one. Maybe demand for solar telescopes will drop and they'll be going cheap?
- Wed Apr 01, 2009 3:37 pm
- Forum: General chat
- Topic: History of Astronomy Exhibition, Florence
- Replies: 1
- Views: 945
History of Astronomy Exhibition, Florence
Anyone heading to Italy this Spring/Summer is highly advised to pop in to Florence. I just came back from a weekend away and visited a thing touted as a Galileo exhibition . Well, it finishes with Galileo but is much much more than that. I have never seen such an extensive collection of historical a...
- Mon Feb 16, 2009 7:09 pm
- Forum: General chat
- Topic: Satellites collide
- Replies: 33
- Views: 7021
- Mon Feb 16, 2009 5:18 pm
- Forum: General chat
- Topic: Satellites collide
- Replies: 33
- Views: 7021
Well, apparently this particular debris field is huge. Apparently the Iridium constellation cost about $6 billion to put up, so if one of these 66 odd satellites is lost, that's about $ 90 million gone. Of course future value is a different calculation, but in any event I'd have thought you'd get qu...
- Thu Feb 12, 2009 3:04 pm
- Forum: General chat
- Topic: Build your own solar system
- Replies: 464
- Views: 159820
Has anyone seen the stuff from Cochrane's? Their orrery is £20
There are a few other suppliers with orreries & other fun solar system models. Try searching for astronomy educational supplies.
There are a few other suppliers with orreries & other fun solar system models. Try searching for astronomy educational supplies.
- Thu Feb 12, 2009 2:51 pm
- Forum: General chat
- Topic: Starry Night
- Replies: 21
- Views: 4255