WHAT CAUSES DAY AND NIGHT ? || SCIENCE VIDEO FOR KIDS

2024/04/1810:53:08 science 193230

WHAT CAUSES DAY AND NIGHT ? || SCIENCE VIDEO FOR KIDS - DayDayNews

WHAT CAUSES DAY AND NIGHT ? || SCIENCE VIDEO FOR KIDS - DayDayNews

3:03

* All content videos are shared, reposted and embedded from YouTube. If there is any violation or error, please contact us to delete it.

science

The crane stretches its neck and legs in flight, with a graceful and smooth posture. Cranes are excellent high-altitude fliers. Gray cranes (pictured) fly at altitudes of more than 9,000 meters as they migrate across the Himalayas - equivalent to the altitude of a jetliner. Crane - DayDayNews

The crane stretches its neck and legs in flight, with a graceful and smooth posture. Cranes are excellent high-altitude fliers. Gray cranes (pictured) fly at altitudes of more than 9,000 meters as they migrate across the Himalayas - equivalent to the altitude of a jetliner. Crane

Red-crowned cranes, whooping cranes and other cranes are slowly becoming endangered wild animals...

05/16 1177

Plants are grown in complete darkness in an acetate medium that replaces biophotosynthesis. Researchers are developing artificial photosynthesis to help make food production more energy efficient on Earth and perhaps one day on Mars. Photosynthesis has evolved in plants over mill - DayDayNews

Plants are grown in complete darkness in an acetate medium that replaces biophotosynthesis. Researchers are developing artificial photosynthesis to help make food production more energy efficient on Earth and perhaps one day on Mars. Photosynthesis has evolved in plants over mill

Artificial photosynthesis could produce food in complete darkness

05/16 1335

Omicron subspecies BA.4 and BA.5 are rapidly sweeping the world and becoming new popular subspecies. The S proteins of BA.4 and BA.5 are the same at the protein level, but are different from the S protein gene mutations of BA.2.12.1, but are they different from BA.1 and BA in ter - DayDayNews

Omicron subspecies BA.4 and BA.5 are rapidly sweeping the world and becoming new popular subspecies. The S proteins of BA.4 and BA.5 are the same at the protein level, but are different from the S protein gene mutations of BA.2.12.1, but are they different from BA.1 and BA in ter

BA.4/BA.5 subspecies are “more cunning” and most monoclonal antibodies are ineffective

05/17 1831

During the Cold War period after World War II, mankind began a race to develop nuclear weapons, and the United States and the Soviet Union gained the power to destroy the earth. So what would happen if a nuclear bomb was detonated in the Marianas Trench? . The deepest place on Ea - DayDayNews

During the Cold War period after World War II, mankind began a race to develop nuclear weapons, and the United States and the Soviet Union gained the power to destroy the earth. So what would happen if a nuclear bomb was detonated in the Marianas Trench? . The deepest place on Ea

What would happen if a nuclear bomb was detonated at the deepest point on earth?

05/15 1828

A strange crystal that scientists have never seen before. Strange crystals under an electron microscope. Taskaev On February 15, 2013, a mysterious fireball streaked over Chelyabinsk in southern Russia. According to estimates, scientists believe that this is an asteroid with a di - DayDayNews

A strange crystal that scientists have never seen before. Strange crystals under an electron microscope. Taskaev On February 15, 2013, a mysterious fireball streaked over Chelyabinsk in southern Russia. According to estimates, scientists believe that this is an asteroid with a di

Nine years after a mysterious fireball fell in Russia, scientists discovered something strange there

05/16 1818

When a meteorite falls into the earth, it will rub against the earth's atmosphere and burn. If the meteorite is large enough, we will be able to see a flying fireball. In this case, if we throw a raw egg down while flying on an airplane, will it turn into a mature egg when it lan - DayDayNews

When a meteorite falls into the earth, it will rub against the earth's atmosphere and burn. If the meteorite is large enough, we will be able to see a flying fireball. In this case, if we throw a raw egg down while flying on an airplane, will it turn into a mature egg when it lan

If you drop an egg from an airplane, will it be cooked when it hits the ground? I can't eat it anyway

05/16 1552

As a scientific researcher, Wu Jianhua has been talking a lot recently. Rumor has it that the Chinese Academy of Sciences' neutrino laboratory 700 meters underground in Kaiping, Jiangmen, Guangdong, injected 20,000 tons of water on June 27. After that, people could no longer see - DayDayNews

As a scientific researcher, Wu Jianhua has been talking a lot recently. Rumor has it that the Chinese Academy of Sciences' neutrino laboratory 700 meters underground in Kaiping, Jiangmen, Guangdong, injected 20,000 tons of water on June 27. After that, people could no longer see

The deepest secret in Guangdong, 700 meters underground

05/16 1712

The characteristics of ceramsite lightweight partition boards can be summarized in eight words - safe, comfortable, fast, environmentally friendly ceramsite wall panel production sample ceramsite partition boards are made of cement and ceramsite slurry mixed, foamed and solidifie - DayDayNews

The characteristics of ceramsite lightweight partition boards can be summarized in eight words - safe, comfortable, fast, environmentally friendly ceramsite wall panel production sample ceramsite partition boards are made of cement and ceramsite slurry mixed, foamed and solidifie

A new type of environmentally friendly building material - ceramsite wall panels

05/17 1015

In an interview with Ars Technica, Jim Free, associate director of the agency's Exploration Systems Development Program, said this week NASA is working toward an August 23 to September 6 launch window for Aretmis 1. - DayDayNews

In an interview with Ars Technica, Jim Free, associate director of the agency's Exploration Systems Development Program, said this week NASA is working toward an August 23 to September 6 launch window for Aretmis 1.

NASA plans to launch Artemis I lunar mission in late August to early September

05/17 1810

This satellite image from the Copernicus Sentinel-2 mission takes us above Kiev - Ukraine's capital and most populous city. (Please note that this picture was taken in 2019, so the flames and smoke of war are not visible). Kyiv, also known as Kiev, is visible just below the cente - DayDayNews

This satellite image from the Copernicus Sentinel-2 mission takes us above Kiev - Ukraine's capital and most populous city. (Please note that this picture was taken in 2019, so the flames and smoke of war are not visible). Kyiv, also known as Kiev, is visible just below the cente

Copernicus Sentinel 2 "Space Exploration of the Earth" Series: Ukraine - Kiev

05/16 1434

China's sky eye discovered a mysterious signal, which was suspected to come from a foreign civilization, but American scientists poured cold water on it. Recently, a research team from Tianyan announced that in past observations, they discovered several very special signals. Thes - DayDayNews

China's sky eye discovered a mysterious signal, which was suspected to come from a foreign civilization, but American scientists poured cold water on it. Recently, a research team from Tianyan announced that in past observations, they discovered several very special signals. Thes

China's sky eye discovered mysterious signals, but American scientists said they came from the earth. Do aliens exist?

05/18 1697

Mangroves, made up of salt-loving trees, shrubs and shrubs, play an important role in providing waterfowl habitat and preventing coastal erosion. Because the areas they occupy are also viable for aquaculture, however, these watery forests face continued development pressure. One - DayDayNews

Mangroves, made up of salt-loving trees, shrubs and shrubs, play an important role in providing waterfowl habitat and preventing coastal erosion. Because the areas they occupy are also viable for aquaculture, however, these watery forests face continued development pressure. One

"Space Observation" Ramsar Convention and Vietnam Wetlands

05/18 1145

June 1 to November 30, 2005 As 2007 approaches, an extreme to abnormal drought occurs in the southeastern United States. The year also saw tropical cyclones—tropical depressions, tropical storms, and hurricanes—that often flooded parts of the East Coast and Gulf Coast. Tropical c - DayDayNews

June 1 to November 30, 2005 As 2007 approaches, an extreme to abnormal drought occurs in the southeastern United States. The year also saw tropical cyclones—tropical depressions, tropical storms, and hurricanes—that often flooded parts of the East Coast and Gulf Coast. Tropical c

"Space Observation" Small tropical cyclones contribute more to annual rainfall

05/18 1663

Atoms were once considered to be the basic particles of everything in the world, but later people discovered that atoms are composed of nuclei and electrons, and there is a vast space between the nuclei and electrons. How vast is it specifically? Let us take the simplest atom in - DayDayNews

Atoms were once considered to be the basic particles of everything in the world, but later people discovered that atoms are composed of nuclei and electrons, and there is a vast space between the nuclei and electrons. How vast is it specifically? Let us take the simplest atom in

What exists in the vast space between the nucleus and the electrons? Is it an absolute vacuum?

05/18 1428

I once read "Insects" when I was young, and I was full of yearning for the insect world described by Fabre. I often turned over stones or inspected leaves to look for the small insects hiding in the depths. As I get older, I gradually develop an inexplicable fear of insects in na - DayDayNews

I once read "Insects" when I was young, and I was full of yearning for the insect world described by Fabre. I often turned over stones or inspected leaves to look for the small insects hiding in the depths. As I get older, I gradually develop an inexplicable fear of insects in na

An insect pocket book that brings you closer to nature

05/18 1720

We often say that China has five thousand years, which naturally adds up to ten thousand years. Ten thousand years ago is a very interesting node, because it is the time period when humans turned from hunting life to farming. Farming represents villages, and the combination of vi - DayDayNews

We often say that China has five thousand years, which naturally adds up to ten thousand years. Ten thousand years ago is a very interesting node, because it is the time period when humans turned from hunting life to farming. Farming represents villages, and the combination of vi

Could it be said that humans more than 12,000 years ago really existed?

05/18 1065

1. Dwayne Johnson ($87.5 million) Dwayne Johnson is a wrestler. After starring in the first movie "The Mummy 2" in 2001, he has become one of the hottest stars in Hollywood in the past ten years. , once topped the list of the world's highest-paid male movie stars in 2019 with US$ - DayDayNews

1. Dwayne Johnson ($87.5 million) Dwayne Johnson is a wrestler. After starring in the first movie "The Mummy 2" in 2001, he has become one of the hottest stars in Hollywood in the past ten years. , once topped the list of the world's highest-paid male movie stars in 2019 with US$

The world's highest-paid male movie stars in 2020, Jackie Chan is the only Chinese actor on the list

05/18 1380

Hailai Amu's profile: Born on April 4 in Ganluo County, Liangshan Prefecture, Sichuan Province, he now lives in Beijing and is a male singer and singer-songwriter from Mainland China. In October 2018, Hailai Amu released his first single "Aguo Jiqu", thus officially debuting;

Hailai Amu's 3.3 Billion Divine Comedy is accused of plagiarism? What do you think of it

05/18 1485

At the "28th Oriental Chart" music ceremony held on the evening of November 17, singer Zhou Shen won the "Most Popular Male Singer Award" and the "Top Ten Golden Melody Award" for his song "Heguang Tongchen". At the same time, His online TME live "Good Night, See You Tomorrow" co - DayDayNews

At the "28th Oriental Chart" music ceremony held on the evening of November 17, singer Zhou Shen won the "Most Popular Male Singer Award" and the "Top Ten Golden Melody Award" for his song "Heguang Tongchen". At the same time, His online TME live "Good Night, See You Tomorrow" co

Oriental Chart: Zhou Shen won three awards including the "Most Popular Male Singer Award" and deserved it

05/18 1689

On August 21, 2021, the 32nd Golden Melody Awards was officially held. Luo Dayou, the godfather of Chinese music, won the "Special Contribution Award", the highest honor of this year, for his outstanding contributions to the pop music industry over the years! - DayDayNews

On August 21, 2021, the 32nd Golden Melody Awards was officially held. Luo Dayou, the godfather of Chinese music, won the "Special Contribution Award", the highest honor of this year, for his outstanding contributions to the pop music industry over the years!

Keeping his passion for rock and roll forever, Luo Dayou, the godfather of Chinese music, won the Golden Melody Award for Special Contribution

05/18 1378

Chairman Mao first chatted with Wang Jide and others about local affairs, and then said: "Teng County is very close to Weishan Lake. The carps in Weishan Lake have four nostrils. Do you know?" - DayDayNews

Chairman Mao first chatted with Wang Jide and others about local affairs, and then said: "Teng County is very close to Weishan Lake. The carps in Weishan Lake have four nostrils. Do you know?"

Chairman Mao: Did you know that the fish in Weishan Lake have four nostrils? The county party secretary shook his head and the chairman smiled.

05/18 1663

Chairman Mao sent a message to emphasize: "Do not appear in public, such as rallies, speeches, etc." At this time, Ye Jianying was the governor of Guangdong Province and the mayor of Guangzhou City. Starting from the third day after entering the city, he had to do it non-stop eve - DayDayNews

Chairman Mao sent a message to emphasize: "Do not appear in public, such as rallies, speeches, etc." At this time, Ye Jianying was the governor of Guangdong Province and the mayor of Guangzhou City. Starting from the third day after entering the city, he had to do it non-stop eve

After Ye Jianying took office as the governor of Guangdong in 1949, Chairman Mao called and emphasized: Do not appear in public

05/18 1264