All Questions
Tagged with specific-reference astronomy
11
questions
4
votes
2
answers
350
views
Where can I find visible/radio telescopic observations of the center of the Milky Way galaxy?
I recently stumbled across this time-lapse telescopic image (radio image, I believe) of the center of the galaxy.
Here's a still image. Link to time-lapse video below.
I haven't been able to find ...
- 448
2
votes
1
answer
83
views
Article presenting first evidence for dark matter?
What are the papers where the first evidence for dark matter related with the stability of galactic discs, and the orbits of galaxy satellites?
- 508
2
votes
1
answer
300
views
Seminal Paper On 3.5keV Sterile Neutrino?
There have been a number of papers on the astronomically observed 3.5keV line, the most recent being "Searching for the 3.5 keV Line in the Deep Fields with Chandra: The 10 Ms Observations". These ...
1
vote
2
answers
125
views
Mass of NGC 1097 Galaxy
I've been looking all over the internet for this and can't seem to find a reference. Can anyone refer me to a paper citing the mass of NGC 1097 based on luminosity?
- 2,467
6
votes
1
answer
383
views
Calculus used by Gauss to find Ceres' position?
With very little data, the great mathematician Gauss was able to predict the exact location of where to find the asteroid Ceres. If possible I would like a reconstruction of his work, from the data ...
- 141
4
votes
1
answer
4k
views
Where to find the current positions and velocities of the planets?
I've written a program which simulates the motions of planets and other bodies. I'd like to run it on our own solar system, but to do so I need to know the current positions (preferably in ...
- 175
1
vote
1
answer
425
views
Is there an "authoritative" source for ephemeris data?
I find some variation in the values reported for ephemeris by the various sources I have access to. For example for 2012-11-27T03:31:55 UTC I get solar declination values of -21.1828°, -21.18296°, -21....
- 5,145
4
votes
1
answer
193
views
Official definition of astronomical units
As it is relatively easy to find an official value for a large number of physical constants, (thanks to CODATA), it is not so easy for some units widely used in astronomy (Wikipedia, Google and IAU ...
- 1,109
3
votes
2
answers
136
views
Phases of the moon video
I am an educator, and I am looking for a specific video. In the video, they ask some middle school students and some college graduates about why the moon has phases. Most of the students in both the ...
9
votes
1
answer
130
views
"Blue Bumper" Stars
I was recently overviewing various massive compact halo object studies (the Anglo-Australian MACHO collaboration and the French I/II EROS collaboration), and they frequently reference "blue bumper ...
- 4,176
5
votes
5
answers
2k
views
Curiosity Rover (MSL): specification / dimensions
I have been looking all over and I can't find a detailed specification about the Curiosity Rover.
The length is about 10 feet but it would be cool to find out the dimensions of the wheels, clearance ...
Seth