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_5-things-you-need-to-know-about-a-total-solar-eclipse.jpg "IMPORTANT: NEVER look directly at the eclipse while any part of the solar disk is visible.")
⏲ 1:0 👁 590K
_otd-in-space-april-7-1st-spacewalk-from-space-shuttle.jpg "On April 7, 1983, astronauts took the first spacewalk outside of a space shuttle during mission STS-6. <br/><br/>This was the maiden voyage of the space shuttle Challenger. The goal of this mission was to deploy the first Tracking and Data Relay Satellite, TDRS-1. NASA now uses a whole fleet of these satellites to relay communications between spacecraft in orbit and ground stations down on Earth. NASA astronauts Don Peterson and Story Musgrave spent 4 hours and 17 minutes working in the vacuum of space while doinga series of tests in the shuttle's payload bay. This was also the first time that NASA's Extravehicular Mobility Unit was worn by astronauts in space.")
⏲ 0:47 👁 570K
_otd-in-space-april-6-nasa-launches-1st-commercial-communication-satellite.jpg "On April 6, 1965, NASA launched the world's first commercial communications satellite into orbit. <br/><br/>The satellite was named Intelsat 1 and nicknamed the \")
⏲ 0:50 👁 1.2M
_this-day-in-history-hank-aaron-breaks-babe-ruths-all-time-home-run-record.jpg "This Day in History: , Hank Aaron Breaks Babe Ruth’s <br/>All-Time Home Run Record.<br/>April 8, 1974.<br/>Aaron hit his 715th home run <br/>to earn the new record in front of <br/>a crowd of 53,775 in Atlanta.<br/>He hit the record-breaking homer <br/>off a pitch from LA Dodgers' Al Downing.<br/>The extraordinary achievement <br/>would remain in place until 2007.<br/>Aaron made his major league debut <br/>with the Milwaukee Braves in 1954.<br/>Over the span of his 23-year career, <br/>Aaron played for the Braves in both Milwaukee and <br/>Atlanta. He ended his career with the Milwaukee Brewers.<br/>When he retired in 1976, <br/>he had 755 home runs. <br/>He was inducted into the <br/>Baseball Hall of Fame in 1982")
⏲ 0:56 👁 540K
_what-is-the-shape-of-the-universe.jpg "The universe may be vast, but researchers have multiple points of evidence that reveal its shape.")
⏲ 2:39 👁 2.6M
_otd-in-space-april-7-1st-spacewalk-from-space-shuttle.jpg "On April 7, 1983, astronauts took the first spacewalk outside of a space shuttle during mission STS-6. <br/><br/>This was the maiden voyage of the space shuttle Challenger. The goal of this mission was to deploy the first Tracking and Data Relay Satellite, TDRS-1. NASA now uses a whole fleet of these satellites to relay communications between spacecraft in orbit and ground stations down on Earth. NASA astronauts Don Peterson and Story Musgrave spent 4 hours and 17 minutes working in the vacuum of space while doinga series of tests in the shuttle's payload bay. This was also the first time that NASA's Extravehicular Mobility Unit was worn by astronauts in space.")
⏲ 0:47 👁 990K
_otd-in-space-april-5-pioneer-11-launches-to-jupiter-and-saturn.jpg "On April 5, 1973, NASA launched the Pioneer 11 mission into the outer solar system. <br/><br/>Pioneer 11 would become the first spacecraft to fly by Saturn, and it flew by Jupiter and the asteroid belt along the way. It launched about a month after its twin, Pioneer 10. Both spacecraft brought along gold plaques with pictures and messages pertaining to Earth, just in case they encountered any extraterrestrials out in space. The plaques include drawings of naked humans and some symbols and diagrams that explain where the spacecraft came from. Seventeen years after it launched, it became the fourth spacecraft to leave planetary part of the solar system when it flew past Neptune. Pioneer 11 is now on its way toward interstellar space.")
⏲ 0:49 👁 520K
_elusive-greenland-sharks-spotted-in-the-deep-ocean.jpg "Greenland sharks are mysterious, deep-dwelling creatures that can live to be an average of 272 years old.<br/><br/>Footage courtesy: Brynn Devine")
⏲ 1:1 👁 515K
_railway-track-par-pathar-kyu-hote-hai124-124-boldsky.jpg "रेलवे लाइन पर लगभग सभी ने बड़े-बड़े पत्थर बिछे तो जरूर देखे होंगे लेकिन बहुत कम लोग इसके पीछे की वजह जानते हैं.दरअसल रेलवेे लाइन पर बिछे इन पत्थरों को ट्रैक बैलेस्ट कहा जाता है. जो काफी जरूरी होते हैं.कभी-कभी इन नुकीले पत्थरों से कुछ लोगों को चोट भी आ जाती है, लेकिन बता दें कि ये पत्थर जानबुझकर नुकीले ही रखे जाते हैं. दरअसल गोल होने पर ये एक-दूसरे से फिसलने लगेंगे और पटरी अपनी जगह से हट जाएगी. <br/> <br/>Almost everyone must have seen big stones laid on the railway line, but very few people know the reason behind it.Actually, these stones laid on the railway line are called track ballast. Which are very important.Sometimes some people get hurt by these sharp stones, but let us tell you that these stones are kept sharp deliberately. In fact, when they become round, they will start slipping from each other and the track will move out of its place. <br/> <br/>#RailwayTrackParPatharKyuHotaHai #Railwaytrackparpatharrakhna #railwaytrackstonereason #railwaytrackstonename <br/>~HT.97~PR.111~ED.284~")
⏲ 1:24 👁 525K
_earth39s-evolution-over-a-billion-years.jpg "Watch the Earth's tectonic plates grow, shrink, and jostle for position in this new model of the last billion years on the planet.")
⏲ 0:58 👁 1.4M
_spacex-crs-27-mission-to-space-station-science-payloads-explained.jpg "Learn what science payloads are being shipped aboard Cargo Dragon to the International Space Station on the SpaceX CRS-27 mission.<br/><br/>Credit: NASA")
⏲ 1:53 👁 475K
_strange-ancient-fish-had-front-and-back-legs.jpg "This 375-million-year-old fish, the closest known relative of the ancestors of limbed animals such as humans, likely evolved the foundation for rear legs even before the move to land, researchers say.")
⏲ 1:40 👁 985K
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_5-things-you-need-to-know-about-a-total-solar-eclipse.webp "IMPORTANT: NEVER look directly at the eclipse while any part of the solar disk is visible.")
_otd-in-space-april-7-1st-spacewalk-from-space-shuttle.webp "On April 7, 1983, astronauts took the first spacewalk outside of a space shuttle during mission STS-6. <br/><br/>This was the maiden voyage of the space shuttle Challenger. The goal of this mission was to deploy the first Tracking and Data Relay Satellite, TDRS-1. NASA now uses a whole fleet of these satellites to relay communications between spacecraft in orbit and ground stations down on Earth. NASA astronauts Don Peterson and Story Musgrave spent 4 hours and 17 minutes working in the vacuum of space while doinga series of tests in the shuttle's payload bay. This was also the first time that NASA's Extravehicular Mobility Unit was worn by astronauts in space.")
_otd-in-space-april-6-nasa-launches-1st-commercial-communication-satellite.webp "On April 6, 1965, NASA launched the world's first commercial communications satellite into orbit. <br/><br/>The satellite was named Intelsat 1 and nicknamed the \")
_this-day-in-history-hank-aaron-breaks-babe-ruths-all-time-home-run-record.webp "This Day in History: , Hank Aaron Breaks Babe Ruth’s <br/>All-Time Home Run Record.<br/>April 8, 1974.<br/>Aaron hit his 715th home run <br/>to earn the new record in front of <br/>a crowd of 53,775 in Atlanta.<br/>He hit the record-breaking homer <br/>off a pitch from LA Dodgers' Al Downing.<br/>The extraordinary achievement <br/>would remain in place until 2007.<br/>Aaron made his major league debut <br/>with the Milwaukee Braves in 1954.<br/>Over the span of his 23-year career, <br/>Aaron played for the Braves in both Milwaukee and <br/>Atlanta. He ended his career with the Milwaukee Brewers.<br/>When he retired in 1976, <br/>he had 755 home runs. <br/>He was inducted into the <br/>Baseball Hall of Fame in 1982")
_what-is-the-shape-of-the-universe.webp "The universe may be vast, but researchers have multiple points of evidence that reveal its shape.")
_otd-in-space-april-7-1st-spacewalk-from-space-shuttle.webp "On April 7, 1983, astronauts took the first spacewalk outside of a space shuttle during mission STS-6. <br/><br/>This was the maiden voyage of the space shuttle Challenger. The goal of this mission was to deploy the first Tracking and Data Relay Satellite, TDRS-1. NASA now uses a whole fleet of these satellites to relay communications between spacecraft in orbit and ground stations down on Earth. NASA astronauts Don Peterson and Story Musgrave spent 4 hours and 17 minutes working in the vacuum of space while doinga series of tests in the shuttle's payload bay. This was also the first time that NASA's Extravehicular Mobility Unit was worn by astronauts in space.")
_otd-in-space-april-5-pioneer-11-launches-to-jupiter-and-saturn.webp "On April 5, 1973, NASA launched the Pioneer 11 mission into the outer solar system. <br/><br/>Pioneer 11 would become the first spacecraft to fly by Saturn, and it flew by Jupiter and the asteroid belt along the way. It launched about a month after its twin, Pioneer 10. Both spacecraft brought along gold plaques with pictures and messages pertaining to Earth, just in case they encountered any extraterrestrials out in space. The plaques include drawings of naked humans and some symbols and diagrams that explain where the spacecraft came from. Seventeen years after it launched, it became the fourth spacecraft to leave planetary part of the solar system when it flew past Neptune. Pioneer 11 is now on its way toward interstellar space.")
_elusive-greenland-sharks-spotted-in-the-deep-ocean.webp "Greenland sharks are mysterious, deep-dwelling creatures that can live to be an average of 272 years old.<br/><br/>Footage courtesy: Brynn Devine")
_railway-track-par-pathar-kyu-hote-hai124-124-boldsky.webp "रेलवे लाइन पर लगभग सभी ने बड़े-बड़े पत्थर बिछे तो जरूर देखे होंगे लेकिन बहुत कम लोग इसके पीछे की वजह जानते हैं.दरअसल रेलवेे लाइन पर बिछे इन पत्थरों को ट्रैक बैलेस्ट कहा जाता है. जो काफी जरूरी होते हैं.कभी-कभी इन नुकीले पत्थरों से कुछ लोगों को चोट भी आ जाती है, लेकिन बता दें कि ये पत्थर जानबुझकर नुकीले ही रखे जाते हैं. दरअसल गोल होने पर ये एक-दूसरे से फिसलने लगेंगे और पटरी अपनी जगह से हट जाएगी. <br/> <br/>Almost everyone must have seen big stones laid on the railway line, but very few people know the reason behind it.Actually, these stones laid on the railway line are called track ballast. Which are very important.Sometimes some people get hurt by these sharp stones, but let us tell you that these stones are kept sharp deliberately. In fact, when they become round, they will start slipping from each other and the track will move out of its place. <br/> <br/>#RailwayTrackParPatharKyuHotaHai #Railwaytrackparpatharrakhna #railwaytrackstonereason #railwaytrackstonename <br/>~HT.97~PR.111~ED.284~")
_earth39s-evolution-over-a-billion-years.webp "Watch the Earth's tectonic plates grow, shrink, and jostle for position in this new model of the last billion years on the planet.")
_spacex-crs-27-mission-to-space-station-science-payloads-explained.webp "Learn what science payloads are being shipped aboard Cargo Dragon to the International Space Station on the SpaceX CRS-27 mission.<br/><br/>Credit: NASA")
_strange-ancient-fish-had-front-and-back-legs.webp "This 375-million-year-old fish, the closest known relative of the ancestors of limbed animals such as humans, likely evolved the foundation for rear legs even before the move to land, researchers say.")
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