/u/Mytiesinmymaitai's posts in /r/askscience

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Five million years ago, the Nullarbor plains in Western Australia was a forest, but was a desert before that, just as it is now. What event(s) caused this relatively spontaneous formation of a new ecosystem and relatively quick return back to a desert?

87 upvotes

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What did Oceania and the South Pacific look like during the Paleolithic period? Was there significantly more land above sea level?

11 upvotes

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Is it possible to collect bulk radio/microwaves from the air and convert them into electrical energy?

1 upvotes

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As the factoid states, the Earth's surface is smoother than a billiard ball... How would Earth's planetary dynamics change if the surface resembled a golf ball?

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It looks like the discovery of phosphine in Venus' atmosphere has been largely debunked, with the signal most likely coming from sulfur dioxide. What about these very different molecules would make them appear similar with our current detection methods?

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Has anyone been keeping track of mass animal die-offs? Has there been an actual increase or is there just more accessible news?

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Are there, for lack of better phrasing, gravitational highways between star systems and clusters? Are there known objects that traverse these "highways"?

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What are all the different types of sensors and what do they detect/measure?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Five million years ago, the Nullarbor plains in Western Australia was a forest, but was a desert before that, just as it is now. What event(s) caused this relatively spontaneous formation of a new ecosystem and relatively quick return back to a desert?	87
What did Oceania and the South Pacific look like during the Paleolithic period? Was there significantly more land above sea level?	11
Is it possible to collect bulk radio/microwaves from the air and convert them into electrical energy?	1
As the factoid states, the Earth's surface is smoother than a billiard ball... How would Earth's planetary dynamics change if the surface resembled a golf ball?	1
It looks like the discovery of phosphine in Venus' atmosphere has been largely debunked, with the signal most likely coming from sulfur dioxide. What about these very different molecules would make them appear similar with our current detection methods?	1
Has anyone been keeping track of mass animal die-offs? Has there been an actual increase or is there just more accessible news?	1
Are there, for lack of better phrasing, gravitational highways between star systems and clusters? Are there known objects that traverse these "highways"?	1
What are all the different types of sensors and what do they detect/measure?	1