the dark side black holes and invisible matter spacetime science show
we are surrounded by dark matter and dark energy. mysterious forces that permeate the universe and play a fundamental role in determining its evolution. scientists can observe the effects of these cosmic enigmas. but as yet, they have found nothing.
space, an infinite vastness. but there's nothing in it. in a volume of about 13,000 by 13,000 by 13,000 kilometers, which is roughly the volume of the earth, there's the mass equivalent of a small grain of sand. not only that, when you examine this grain of sand, you find it consists of ghostly particles. particles that pass through everything without leaving behind a trace. and then there's dark energy. what exactly are dark matter and dark energy?
we are surrounded by dark matter and dark energy. mysterious forces that permeate the universe and play a fundamental role in determining its evolution. scientists can observe the effects of these cosmic enigmas. but as yet, they have found nothing.space, an infinite vastness. but there's nothing in it. in a volume of about 13,000 by 13,000 by 13,000 kilometers, which is roughly the volume of the earth, there's the mass equivalent of a small grain of sand. not only that, when you examine this grain of sand, you find it consists of ghostly particles. particles that pass through everything without leaving behind a trace. and then there's dark energy. what exactly are dark matter and dark energy? heavy haulage in action a steel giant on the road full documentary the airborne telescope gazing into infinity full documentary major roller coaster coaster renovation the return of colossos full documentary the model maker slot cars passion for perfection full documentary destination mars from the moon to the red planet spacetime science show space junk fast and dangerous spacetime science show astrobiology the search for life spacetime science show george floyd s death america one year later a german view report silent companions moons in our planetary system spacetime science show the dark side black holes and invisible matter spacetime science show vodka friend and foe of the russians full documentary wind farm assembly off the coast of sylt millimeter work in all weathers full documentary big ships heavy load hard work at the port of hamburg full documentary legendary porsches icons of motorsport full documentary a pirate ship s final voyage heavy transport across the water full documentary prefab homes the journey from tree to house full documentary kitchen impossible from custom made to mass produced full documentary aircraft conversion xxl a cargo plane is born full documentary treacherous timber loggers and their mega tools full documentary heavy haulage in the jungle full documentary on a fishing expedition germany s biggest deep sea trawler full documentary sea rescue tough wind waves full documentary special task force sobr bulat moscow s serious crime fighters full documentary cruise ship harmony of the seas leisure fun on the high seas full documentary deep sea fishing hard work on the high seas full documentary world s biggest car wash washing waxing drying full documentary agricultural machines field giants in action full documentary world class model builders from hobby to high tech full documentary bullerby house from swedisch tree to german home full documentary giants on the move transport professionals in action full documentary behind bars germany s most dangerous jail full documentary car tuning gas in your veins full documentary vacation deluxe the construction of a holiday park full documentary an exploration of cosmic phenomena secrets of the universe season 1 all episodes spark discovering the mysteries of space the secrets of the universe spark how is nasa contacting aliens alien life documentary spark the life cycle of black holes black hole spark are we the only life form in the universe 4k our infinite universe spark history s largest warcraft supersized structures spark how are stars born cosmic vistas spark constructing the second largest ship in the french navy extreme constructions spark constructing mammoth underwater gas pipeline building the biggest spark the largest gold and copper deposit in the world super structures spark is there evidence of alien life already ufo conclusion spark are we formed from the stars life behind the stars spark walking inside a man made tornado richard hammond s wild weather spark the most breathtaking sights in our galaxy 4k cosmic vistas season 1 all episodes spark are 21st century humans still evolving 4k evolution of us spark how did humans become earth s dominant species 4k evolution of us spark the surprising dangers of artificial light 4k the dark side of light spark life as an astronaut on the international space station 4k cosmic encounters spark running the world s friendliest airport changi airport season 1 all episodes spark satisfying montage of controlled demolitions to relax study to demolition and destruction spark aftermath to the world s deadliest natural disasters 4k mega disaster spark teeth claws animal armory episode 1 free documentary nature vigilante hacker outsmarts cyber mafia 4k web warriors spark how mobile phones changed the world 4k the mobile revolution spark how america won the space race apollo documentary spark how the rich are hoarding the world s water a world without water spark deadliest roads mozambique where life is the strongest thing there is free documentary heavy haulage in action a steel giant on the road full documentary the airborne telescope gazing into infinity full documentary major roller coaster coaster renovation the return of colossos full documentary the model maker slot cars passion for perfection full documentary destination mars from the moon to the red planet spacetime science show space junk fast and dangerous spacetime science show astrobiology the search for life spacetime science show george floyd s death america one year later a german view report silent companions moons in our planetary system spacetime science show the dark side black holes and invisible matter spacetime science show vodka friend and foe of the russians full documentary wind farm assembly off the coast of sylt millimeter work in all weathers full documentary big ships heavy load hard work at the port of hamburg full documentary legendary porsches icons of motorsport full documentary a pirate ship s final voyage heavy transport across the water full documentary prefab homes the journey from tree to house full documentary kitchen impossible from custom made to mass produced full documentary aircraft conversion xxl a cargo plane is born full documentary treacherous timber loggers and their mega tools full documentary heavy haulage in the jungle full documentary on a fishing expedition germany s biggest deep sea trawler full documentary sea rescue tough wind waves full documentary special task force sobr bulat moscow s serious crime fighters full documentary cruise ship harmony of the seas leisure fun on the high seas full documentary deep sea fishing hard work on the high seas full documentary world s biggest car wash washing waxing drying full documentary agricultural machines field giants in action full documentary world class model builders from hobby to high tech full documentary bullerby house from swedisch tree to german home full documentary giants on the move transport professionals in action full documentary behind bars germany s most dangerous jail full documentary car tuning gas in your veins full documentary vacation deluxe the construction of a holiday park full documentary an exploration of cosmic phenomena secrets of the universe season 1 all episodes spark discovering the mysteries of space the secrets of the universe spark how is nasa contacting aliens alien life documentary spark the life cycle of black holes black hole spark are we the only life form in the universe 4k our infinite universe spark history s largest warcraft supersized structures spark how are stars born cosmic vistas spark constructing the second largest ship in the french navy extreme constructions spark constructing mammoth underwater gas pipeline building the biggest spark the largest gold and copper deposit in the world super structures spark is there evidence of alien life already ufo conclusion spark are we formed from the stars life behind the stars spark walking inside a man made tornado richard hammond s wild weather spark the most breathtaking sights in our galaxy 4k cosmic vistas season 1 all episodes spark are 21st century humans still evolving 4k evolution of us spark how did humans become earth s dominant species 4k evolution of us spark the surprising dangers of artificial light 4k the dark side of light spark life as an astronaut on the international space station 4k cosmic encounters spark running the world s friendliest airport changi airport season 1 all episodes spark satisfying montage of controlled demolitions to relax study to demolition and destruction spark aftermath to the world s deadliest natural disasters 4k mega disaster spark teeth claws animal armory episode 1 free documentary nature vigilante hacker outsmarts cyber mafia 4k web warriors spark how mobile phones changed the world 4k the mobile revolution spark how america won the space race apollo documentary spark how the rich are hoarding the world s water a world without water spark deadliest roads mozambique where life is the strongest thing there is free documentary heavy haulage in action a steel giant on the road full documentary the airborne telescope gazing into infinity full documentary major roller coaster coaster renovation the return of colossos full documentary the model maker slot cars passion for perfection full documentary destination mars from the moon to the red planet spacetime science show space junk fast and dangerous spacetime science show astrobiology the search for life spacetime science show george floyd s death america one year later a german view report silent companions moons in our planetary system spacetime science show the dark side black holes and invisible matter spacetime science show vodka friend and foe of the russians full documentary wind farm assembly off the coast of sylt millimeter work in all weathers full documentary big ships heavy load hard work at the port of hamburg full documentary legendary porsches icons of motorsport full documentary a pirate ship s final voyage heavy transport across the water full documentary prefab homes the journey from tree to house full documentary kitchen impossible from custom made to mass produced full documentary aircraft conversion xxl a cargo plane is born full documentary treacherous timber loggers and their mega tools full documentary heavy haulage in the jungle full documentary on a fishing expedition germany s biggest deep sea trawler full documentary sea rescue tough wind waves full documentary special task force sobr bulat moscow s serious crime fighters full documentary cruise ship harmony of the seas leisure fun on the high seas full documentary deep sea fishing hard work on the high seas full documentary world s biggest car wash washing waxing drying full documentary agricultural machines field giants in action full documentary world class model builders from hobby to high tech full documentary bullerby house from swedisch tree to german home full documentary giants on the move transport professionals in action full documentary behind bars germany s most dangerous jail full documentary car tuning gas in your veins full documentary vacation deluxe the construction of a holiday park full documentary an exploration of cosmic phenomena secrets of the universe season 1 all episodes spark discovering the mysteries of space the secrets of the universe spark how is nasa contacting aliens alien life documentary spark the life cycle of black holes black hole spark are we the only life form in the universe 4k our infinite universe spark history s largest warcraft supersized structures spark how are stars born cosmic vistas spark constructing the second largest ship in the french navy extreme constructions spark constructing mammoth underwater gas pipeline building the biggest spark the largest gold and copper deposit in the world super structures spark is there evidence of alien life already ufo conclusion spark are we formed from the stars life behind the stars spark walking inside a man made tornado richard hammond s wild weather spark the most breathtaking sights in our galaxy 4k cosmic vistas season 1 all episodes spark are 21st century humans still evolving 4k evolution of us spark how did humans become earth s dominant species 4k evolution of us spark the surprising dangers of artificial light 4k the dark side of light spark life as an astronaut on the international space station 4k cosmic encounters spark running the world s friendliest airport changi airport season 1 all episodes spark satisfying montage of controlled demolitions to relax study to demolition and destruction spark aftermath to the world s deadliest natural disasters 4k mega disaster spark teeth claws animal armory episode 1 free documentary nature vigilante hacker outsmarts cyber mafia 4k web warriors spark how mobile phones changed the world 4k the mobile revolution spark how america won the space race apollo documentary spark how the rich are hoarding the world s water a world without water spark deadliest roads mozambique where life is the strongest thing there is free documentary we are surrounded by dark matter and dark energy. mysterious forces that permeate the universe and play a fundamental role in determining its evolution. scientists can observe the effects of these cosmic enigmas. but as yet, they have found nothing.
space, an infinite vastness. but there's nothing in it. in a volume of about 13,000 by 13,000 by 13,000 kilometers, which is roughly the volume of the earth, there's the mass equivalent of a small grain of sand. not only that, when you examine this grain of sand, you find it consists of ghostly particles. particles that pass through everything without leaving behind a trace. and then there's dark energy. what exactly are dark matter and dark energy?