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#GravitationalField

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Ansgar Schmidt :verified:<p>If Gravity Can Exist Without Mass, That Could Explain Dark Matter <a href="https://www.universetoday.com/167332/if-gravity-can-exist-without-mass-that-could-explain-dark-matter/" rel="nofollow noopener noreferrer" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">universetoday.com/167332/if-gr</span><span class="invisible">avity-can-exist-without-mass-that-could-explain-dark-matter/</span></a> <a href="https://mastodon.cloud/tags/cosmologicalstructures" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>cosmologicalstructures</span></a> <a href="https://mastodon.cloud/tags/gravitationallensing" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>gravitationallensing</span></a> <a href="https://mastodon.cloud/tags/topographicaldefect" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>topographicaldefect</span></a> <a href="https://mastodon.cloud/tags/gravitationalfield" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>gravitationalfield</span></a> <a href="https://mastodon.cloud/tags/phasetransitions" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>phasetransitions</span></a> <a href="https://mastodon.cloud/tags/missingmass" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>missingmass</span></a> <a href="https://mastodon.cloud/tags/darkmatter" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>darkmatter</span></a> <a href="https://mastodon.cloud/tags/cosmology" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>cosmology</span></a> <a href="https://mastodon.cloud/tags/giantarc" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>giantarc</span></a> <a href="https://mastodon.cloud/tags/science" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>science</span></a></p>
Khurram Wadee ✅<p>A few weeks ago, I posted an example of a <a href="https://mastodon.org.uk/tags/projectile" class="mention hashtag" rel="tag">#<span>projectile</span></a> <a href="https://mastodon.org.uk/tags/trajectory" class="mention hashtag" rel="tag">#<span>trajectory</span></a> in a uniform <a href="https://mastodon.org.uk/tags/GravitationalField" class="mention hashtag" rel="tag">#<span>GravitationalField</span></a> without <a href="https://mastodon.org.uk/tags/AirResistance" class="mention hashtag" rel="tag">#<span>AirResistance</span></a>. It’s a school-level exercise but it was nice to produce an <a href="https://mastodon.org.uk/tags/animation" class="mention hashtag" rel="tag">#<span>animation</span></a> for it. To model air resistance is a bit more tricky as any <a href="https://mastodon.org.uk/tags/fluid" class="mention hashtag" rel="tag">#<span>fluid</span></a>, including <a href="https://mastodon.org.uk/tags/air" class="mention hashtag" rel="tag">#<span>air</span></a>, is complex and does not necessarily behave as you might expect. Pt1...</p>
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