# Search Results

1. Post

### I What % of the heavy elements are produced by kilonovas vs. supernovas?

Here is a link to a version of the chart in #16 that is a bit easier to read. https://apod.nasa.gov/apod/ap171024.html
Post by: Buzz Bloom, Nov 7, 2017 in forum: Astronomy and Astrophysics
2. Post

### I A disc of dark matter

Hi @Copernicus45: Thanks for your post. Do you by any chance remember the source? Regards, Buzz
Post by: Buzz Bloom, Oct 11, 2017 in forum: Astronomy and Astrophysics

### I A disc of dark matter

I just came across an August 2012 article that suggests possible first evidence for a disk of dark matter....
Thread by: Buzz Bloom, Oct 8, 2017, 4 replies, in forum: Astronomy and Astrophysics
4. Post

### Kinematics Question -- Two motorbikes accelerating at each other...

Hi mike: Your description of your solution attempt is hard to read. In particular: I suggest you express your thoughts in equations. What is...
Post by: Buzz Bloom, Oct 2, 2017 in forum: Introductory Physics Homework
5. Post

### A Advanced Math Problem of the Week 9/30/2017

Something seems quite odd here. For α=1 the RHS =1, but the LHS is indeterminate = -cos(∞)-1. My mistake. That is why α>1.
Post by: Buzz Bloom, Sep 30, 2017 in forum: Math Challenges and PotW
6. Post

### Contest: Equations as Art 2017

This was my mantra for a while. eiπ + 1 = 0
Post by: Buzz Bloom, Sep 21, 2017 in forum: Art, Music, History, and Linguistics
7. Post

### How many domesticated species - thousands?

Hi Henrik: Have you search in Wikipedia? Regards, Buzz
Post by: Buzz Bloom, Sep 21, 2017 in forum: Biology and Medical
8. Post

### Expressing the addition of two sinusoidal waves this form.

Hi Armin: First, you need to correct some typos. You have "w" is some places where you meant "ω". Second, you need to know that sin(ωt) also...
Post by: Buzz Bloom, Sep 21, 2017 in forum: Introductory Physics Homework
9. Post

### B A terrestrial, temperate planet around Proxima Centauri

Hi nik: I confess I have not been paying attention to exoplanet spectroscopy, so I did not know that the technology has advanced for this to...
Post by: Buzz Bloom, Sep 20, 2017 in forum: Astronomy and Astrophysics
10. Post

### B A terrestrial, temperate planet around Proxima Centauri

Hi nik: I am not sure I understand the point you are demonstrating. Is it that there is expected to be a wide variability with respect to...
Post by: Buzz Bloom, Sep 19, 2017 in forum: Astronomy and Astrophysics
11. Post

### Scientific Songs

Entanglement [MEDIA]
Post by: Buzz Bloom, Sep 5, 2017 in forum: General Discussion

### I Distinctions among the concepts: mass, matter, energy

I started this thread because I was much confused by the post...
Thread by: Buzz Bloom, Aug 31, 2017, 1 replies, in forum: General Physics
13. Post

### I Models of accretion disc emissions contradicted by experiment

Hi Paul: I should have thought about adjusting the title more carefully. I gather it is too late to change it now. Regards, Buzz
Post by: Buzz Bloom, Aug 30, 2017 in forum: Astronomy and Astrophysics