Why are interplanetary slingshots using the sun impossible? |
- Why are interplanetary slingshots using the sun impossible?
- AskScience AMA Series: I'm Susan Goldberg, Editor in Chief of National Geographic - AMA!
- What's so special about lead (Pb) that makes it block radiation? Can other elements do this?
- How Do Astronomers or Scientists Visualize Milky Way and The Exact Position of Our Solar System?
- How do our brains know how fast to make our hearts pump?
- Why don't we just coat windshields in superhydrophobic coatings instead of using windshield wipers on cars?
- What gives the purple tint to lightning bolts?
- Are there any studies done on how many people's health was affected by Deep Water Horizon?
- What is the current status of the nuclear winter hypothesis?
- Geologists: do we know or would it be possible to know if there was ever a peak taller than Mount Everest in the past?
- How do bones turn to ashes during cremation?
- Is plate tectonics unique to out planet?
- How does the mitochondria maintain its proton gradient if the outer membrane have large pores that allow large molecules like acetyl-coa to pass through?
- What happens at molecular level when water douses fire?
- If anti freeze lowers the freezing point of a fluid, wouldn’t it also lower the boiling point?
- How is TMB (tumor mutation burden) measured, and what are the limits that prevent it from clinical use at this point in time?
- Do aquatic plants have a mechanism to inhibit or deter algae growth on their leaves?
- What chemical reaction causes food to go stale?
- How could we track pluto but not the other asteroids in the belt?
| Why are interplanetary slingshots using the sun impossible? Posted: 27 Jun 2019 05:51 PM PDT Wikipedia only says regarding this "because the sun is at rest relative to the solar system as a whole". I don't fully understand how that matters and why that makes solar slingshots impossible. I was always under the assumption that we could do that to get quicker to Mars (as one example) in cases when it's on the other side of the sun. Thanks in advance. [link] [comments]  |
| AskScience AMA Series: I'm Susan Goldberg, Editor in Chief of National Geographic - AMA! Posted: 28 Jun 2019 04:00 AM PDT My name is Susan Goldberg and I'm the Editor in Chief of National Geographic. Tiny resume: 10th editor of National Geographic since it first published in 1888; 1st woman in the job; ran two major metro dailies; 40 years as a journalist; Michigan native; proud MSU j-school grad. Since I joined National Geographic in 2014, we've covered everything from gender and race to the war on science and climate change. We're all about taking National Geographic from reverence to relevance, so you'll find us across print, digital and social platforms. Two weeks ago, we started our first podcast called Overheard at National Geographic! There's a lot happening, but now's the chance to ask me anything! I'll be on at 1pm MDT / 3pm ET (19 UT). [link] [comments]  |
| What's so special about lead (Pb) that makes it block radiation? Can other elements do this? Posted: 27 Jun 2019 03:14 PM PDT |
| How Do Astronomers or Scientists Visualize Milky Way and The Exact Position of Our Solar System? Posted: 28 Jun 2019 01:34 AM PDT How do they do that actually? It is like figuring your specific coordinate in a random place in Earth just with a view from your camera in monopod. I doubt that there are camera/telescope that is placed above the milky way and just take a picture of it then send to Earth when Voyager 1, the farthest camera in Earth that I know, was only 3.75 billion miles away. The same with other galaxies like Andromeda. We are surrounded with celestial bodies in all directions, so how do they exactly picture/visualize that? [link] [comments]  |
| How do our brains know how fast to make our hearts pump? Posted: 27 Jun 2019 04:19 PM PDT |
| Posted: 27 Jun 2019 09:36 PM PDT |
| What gives the purple tint to lightning bolts? Posted: 27 Jun 2019 05:44 PM PDT |
| Are there any studies done on how many people's health was affected by Deep Water Horizon? Posted: 27 Jun 2019 10:33 PM PDT |
| What is the current status of the nuclear winter hypothesis? Posted: 27 Jun 2019 01:30 PM PDT What is the current status of the nuclear winter hypothesis? Is the concept of a nuclear winter supported by scientific evidence? [link] [comments]  |
| Posted: 27 Jun 2019 07:36 AM PDT |
| How do bones turn to ashes during cremation? Posted: 27 Jun 2019 10:32 AM PDT |
| Is plate tectonics unique to out planet? Posted: 27 Jun 2019 10:36 AM PDT Do other planets in our solar system, or planets we have observed outside of our system, show signs of earthquakes, volcanic activity, rift valleys? [link] [comments]  |
| Posted: 27 Jun 2019 10:24 PM PDT I did my own research beforehand but: one, the science speech puzzled me and I shouldn't be wondering about this an hour before my biochem exam; two, it talked about proton leaking through the inner membrane and not the outer one which is the one that I'm asking about. Thx. [link] [comments]  |
| What happens at molecular level when water douses fire? Posted: 27 Jun 2019 10:19 AM PDT |
| If anti freeze lowers the freezing point of a fluid, wouldn’t it also lower the boiling point? Posted: 27 Jun 2019 03:43 PM PDT |
| Posted: 27 Jun 2019 05:17 PM PDT |
| Do aquatic plants have a mechanism to inhibit or deter algae growth on their leaves? Posted: 27 Jun 2019 05:25 AM PDT |
| What chemical reaction causes food to go stale? Posted: 27 Jun 2019 06:03 PM PDT |
| How could we track pluto but not the other asteroids in the belt? Posted: 27 Jun 2019 04:34 PM PDT How did the greeks manage to observe Pluto consistently yet now we know its only one of hundreads in the belt, not even being the largest? How didn't they loose Pluto or find Eris? What makes Pluto, Ceres, Vesta or Oallas so special we could keep track of them without noticing the rest of the belt? Edit: Spelling [link] [comments]  |
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