Could we land a probe in the polar region of Venus? |
- Could we land a probe in the polar region of Venus?
- With our current technology, what is the furthest possible exoplanet we could detect to have chlorophyll?
- When measuring LD (Linear dichroism)/UV (Ultraviolet) does a peak at a higher wavelength mean a larger molecule?
- How much more Powerful would a Graphene Superconductor Battery be than a same-sized Lithium ion Battery ?
- Is there a difference between the horizon of a black hole and the horizon of our observable univers?
- Why is the top quark so much more massive than the other quarks?
- How to reconcile black hole charge when the electromagnetic force is governed by particle exchange in the standard model?
- Why is there no solution to the 3-body problem?
- How do scientists make antimatter if everything we have to use to make it is made of matter? Also, does matter and antimatter annihilating each other violate conservation of mass?
- Why is California's drought ending?
- Why aren't rocket launched from taller launching pads?
- Is the amount of water on earth always constant, and has it always been that way?
- Since plants don't need to breathe through their roots, why does over-watering kill some plants? Why don't they absorb what they need and ignore the rest?
- Question about scenario involving the conservation of momentum with magnetism and delays induced by the speed of light - How is momentum conserved?
- Will a candle actually help warm up a really cold room?
- How does light emitted in a flame test correlate to the element's position on the periodic table?
- What is the link between the Fourier transform and the Heisenberg uncertainty principle?
- Question about Circles inscribed within each other getting smaller and smaller?
- Does the core of the earth rotate slower than the crust/outermost layer?
- What happens when for Perfect Reflection of Wave at Normal Incidence?
| Could we land a probe in the polar region of Venus? Posted: 11 Feb 2017 10:34 PM PST The Venus express showed that surface temps near the poles are actually quite cold. If we built a probe to handle the pressure and acid rain, could we land it in a relatively hospitable location temperature-wise and have it last? [link] [comments]  |
| Posted: 11 Feb 2017 11:52 PM PST |
| Posted: 12 Feb 2017 04:36 AM PST So I've been running samples of bacteriophage and bacteriophage with antibodies conjugated to them through LD and UV machines and the latter's peaks are shunted to the right slightly (so at a higher wavelength). Is this because the individual molecules are larger and this alters how they absorb light or is it some other reason? Thanks in advance. [link] [comments]  |
| Posted: 11 Feb 2017 11:53 PM PST I read somewhere its 20x more power That doesnt sound really much and not at all revolutionary , does it ? [link] [comments]  |
| Is there a difference between the horizon of a black hole and the horizon of our observable univers? Posted: 11 Feb 2017 11:11 PM PST These horizons/edges appear very similar: Both
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| Why is the top quark so much more massive than the other quarks? Posted: 11 Feb 2017 10:14 PM PST |
| Posted: 11 Feb 2017 11:08 PM PST So black holes are only characterized by mass, spin, and charge. I was thinking that it's weird we can measure or otherwise characterize their charge since in QED virtual photon exchange is what propagates the EM force. Do the virtual photons not care about the event horizon, or has this not been reconciled? Does this say anything about information being/not being destroyed when passing the event horizon? [link] [comments]  |
| Why is there no solution to the 3-body problem? Posted: 11 Feb 2017 12:40 PM PST I'm an undergrad physics major who's currently taking a differential equations class, and I was wondering why we can explicitly solve for 2, but systems with three and more bodies are unsolvable (in most cases, as it seems that systems with certain symmetries to be exploited can be solved.) [link] [comments]  |
| Posted: 11 Feb 2017 03:01 PM PST |
| Why is California's drought ending? Posted: 11 Feb 2017 11:26 AM PST In response to a gif on the front page that shows California's drought over time, I was wondering what change(s) have caused them to get more rain/snow? [link] [comments]  |
| Why aren't rocket launched from taller launching pads? Posted: 11 Feb 2017 02:48 PM PST |
| Is the amount of water on earth always constant, and has it always been that way? Posted: 11 Feb 2017 11:22 AM PST I understand we might find new sources or water reserves, but essentially it would not be "new" water right, just water we hadn't discovered? Is all the water on earth a remnant from the earth's formation? [link] [comments]  |
| Posted: 11 Feb 2017 10:44 AM PST |
| Posted: 11 Feb 2017 05:58 PM PST Ok, so we know that momentum always needs to be conserved, but I am having trouble identifying how it would be observed in the following scenario. Lets say we had two super powerful electromagnets, situated a decent distance away from each other. One is on the right, and the other is on the left. They are situated so the magnetic fields would produce a repulsive force on one another. Both start in the OFF state. To start the experiment, we briefly turn on the LEFT electromagnet and then quickly turn it off. Immediately as the left electromagnet is turning off, the one on the RIGHT is turning on. Due to the fact that magnetic fields travel at the speed of light, it would be possible to set an appropriate distance and time this action so that the one on the left is OFF when it experiences the field from the electromagnet on the right... but the electromagnet on the right would be ON when experiencing the magnetic field from the left electromagnet. This would occur since the electromagnet on the left was turned off before the one on the right was turned on, and the magnetic field from the left electromagnet was still in transit (at the speed of light) when the right electromagnet was turned on. This should create a strong repulsive force on the right electromagnet, but not the left electromagnet. This force imbalance would create more momentum in the right electromagnet, which is obviously impossible. What am I missing here? [link] [comments]  |
| Will a candle actually help warm up a really cold room? Posted: 11 Feb 2017 09:51 AM PST |
| How does light emitted in a flame test correlate to the element's position on the periodic table? Posted: 11 Feb 2017 10:51 PM PST Title pretty much says it all. Just looking for some facts to back up my idea of elements in the higher groups giving off higher frequency photons (if that's the case). [link] [comments]  |
| What is the link between the Fourier transform and the Heisenberg uncertainty principle? Posted: 11 Feb 2017 11:43 AM PST How can the uncertainty principle be derived from the De Broglie hypothesis by mean of the Fourier transform? And what is the physical meaning of the latter in the quantum theory? [link] [comments]  |
| Question about Circles inscribed within each other getting smaller and smaller? Posted: 11 Feb 2017 08:54 PM PST If I took a circle with Diameter D and inscribed a circle whose tangent is at the Northern most point of the first circle and whose Diameter is exactly D/2 (the Radius of Circle 1), then inside of circle 2 I inscribed a third circle whose tangent is at the Western most point of Circle 2 and whose Diameter is the radius of Circle 2. If I continued this Ad Infinitum (N W S E N W … etc.), what point within Circle 1 would I be at? An example of this could be found here although this is a bad example, since the diameters of each circle is not equal to the radius of the the N-1 circle. [link] [comments]  |
| Does the core of the earth rotate slower than the crust/outermost layer? Posted: 11 Feb 2017 09:52 AM PST The earth obviously completes 1 rotation per 24 hours regardless, but imagining the core of the earth as a sphere within a much larger one, would a point at the earth's core rotate at a lower velocity than a point on the earth's crust? [link] [comments]  |
| What happens when for Perfect Reflection of Wave at Normal Incidence? Posted: 11 Feb 2017 05:29 PM PST Supposing we had a source for a wave far from a surface. This surface allows for perfect reflection. The wave would be reflected 180 degrees out of phase with the incidence wave. If this reflection occurs at the normal incidence then is the wave detectable? I would assume long term that destructive interference cancels out the amplitude of the wave everywhere between the source and the surface. This may be an even stupider question: does the wave still exist, seems that if superposition cancels the energy/ amplitude of the wave to be zero then its trivial. [link] [comments]  |
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