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Search Results - Showing 24 - 36 Of 83
_otd-in-space-april-27-nasa-launches-explorer-11.webp "On April 27, 1961, NASA launched Explorer 11, a satellite that contained the first gamma ray telescope to go to space. <br/><br/>This marked the birth of space-based gamma ray astronomy. Gamma rays are a form of electromagnetic radiation and have the highest energy of any kind of wave in the electromagnetic spectrum. These waves come from things like supernova explosions, supermassive black holes, and even solar flares. Before Explorer 11 launched to look for gamma rays in space, scientists were pretty sure that gamma rays were out there. However, they had to way of detecting these gamma rays, because they get absorbed in Earth's atmosphere. Explorer 11 detected 22 cosmic gamma rays during its seven-month mission. These rays were coming from all over the place and didn't seem to point to any particular sources out in space. This observation became the first evidence of a uniform gamma-ray background in the universe.")
_124-life-before-birth-124-science-bd.webp "Science BD")
⏲ 4 minutes 1 second 👁 1.4M
_.webp "Me And My Baby Care")
ছেলে সন্তান গর্ভে থাকলে গর্ভবতীর খুব বেশি ক্ষিদে পায় নাকি একেবারেই ক্ষিদে থাকেনা?ছেলে হওয়ার লক্ষণ
⏲ 2 minutes 54 seconds 👁 464.1K
_major-berlin-show-marks-250th-anniversary-of-german-romantic-painter-caspar-david-friedrich39s-birth.webp "A huge show of Caspar David Friedrich’s iconic landscapes that marks the 250th anniversary of his birth is opening in Berlin.")
⏲ 1:33 👁 1.4M
_124-symptoms-of-delivery-in-9th-month-pregnancy.webp "SMART MOM u0026 BABY CARE")
⏲ 3 minutes 6 seconds 👁 247.2K
_5-months-of-pregnancy-bangla.webp "Me And My Baby Care")
⏲ 7 minutes 1 second 👁 736.9K
_fans-are-just-learning-weve-all-been-pronouncing-denzel-washingtons-name-wrong.webp "There aren’t too many people out there who haven’t seen a movie starring Denzel Washington, or witnessed his funny personality in various television interviews. In the last four decades, he’s established himself as a force in Hollywood – both as an actor and a director. While viewers have come to know the name of the 21st century’s greatest living actor, we as a collective might’ve been wrong when it comes to saying his birth name.")
_124124.webp "Health Bangla Beauty")
⏲ 6 minutes 15 seconds 👁 295.8K
_124124-124-boy-or-girl.webp "Health Bangla Beauty")
⏲ 5 minutes 52 seconds 👁 1.6M
_china-can39t-shake-the-hangover-of-its-one-child-policy.webp "For two years in a row China’s enormous population has been shrinking. As the country grapples with a declining birth rate, an ageing population, and a slowing economy, the government is urging families to have more children. But for China’s women, it's not an easy decision.")
_-delivery-date-calculator-pregnancy.webp "Shila's Suggestions")
গর্ভবতীর কত সপ্তাহ বা মাস চলছে এবং কিভাবে ডেলিভারি ডেট গণনা করবেন-delivery date calculator pregnancy
⏲ 5 minutes 41 seconds 👁 116.7K
_124-newbie-weight-after-birth.webp "Shila's Suggestions")
জন্মের সময় সুস্থ নবজাতকের ওজন কত হওয়া উচিত?জন্মের পর শিশুর ওজন কত হবে | Newbie Weight After Birth
⏲ 4 minutes 6 seconds 👁 26.1K
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