Astronomy - Ch. 24: Variable Stars (11 of 26) The Distance Triad

2024/05/0616:06:04 science 1378

Astronomy - Ch. 24: Variable Stars (11 of 26) The Distance Triad - DayDayNews

Astronomy - Ch. 24: Variable Stars (11 of 26) The Distance Triad - DayDayNews

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Satellite images from NASA and the European Space Agency have captured the appearance of the first sunspot of the new solar cycle. Sunspots are areas of intense magnetic activity, dark spots visible on the surface of the sun. Sunspot activity rises and falls with an approximately - DayDayNews

Satellite images from NASA and the European Space Agency have captured the appearance of the first sunspot of the new solar cycle. Sunspots are areas of intense magnetic activity, dark spots visible on the surface of the sun. Sunspot activity rises and falls with an approximately

"Space Observation" The beginning of a new solar activity cycle

05/18 1236

Text | Science Wormhole animals reproduce through mating, but their pairing forms are diverse and can be divided into relatively rare monogamy (monogamy) and mixed mating. The mixed system also includes polygamy, polyandry, and polyandry. As we all know, animals mate in order to - DayDayNews

Text | Science Wormhole animals reproduce through mating, but their pairing forms are diverse and can be divided into relatively rare monogamy (monogamy) and mixed mating. The mixed system also includes polygamy, polyandry, and polyandry. As we all know, animals mate in order to

"Monogamous" animals, if one partner dies, can they withstand the temptation of mating?

05/17 1119

As we all know, there are two space stations in Earth orbit today. One is the International Space Station, which has been operating for more than 20 years, and the other is the Chinese Space Station, which has only been operating for one year. The International Space Station is i - DayDayNews

As we all know, there are two space stations in Earth orbit today. One is the International Space Station, which has been operating for more than 20 years, and the other is the Chinese Space Station, which has only been operating for one year. The International Space Station is i

Among the Chinese, Russian and American space station cabins, whose sleeping area is the best? The Tianhe cabin sleeping area is simply a luxury version

05/17 1011

What happened to Tibet? 350 research experts gathered together, and they all claimed: They saw something incredible, which would bring at least billions of resources every year. Even the villagers stood around in surprise. What was going on? What exactly are these things, and wha - DayDayNews

What happened to Tibet? 350 research experts gathered together, and they all claimed: They saw something incredible, which would bring at least billions of resources every year. Even the villagers stood around in surprise. What was going on? What exactly are these things, and wha

Tibetan villagers make new discoveries! 350 experts gather for investigation, bringing in at least 1 billion resources every year

05/18 1036

The editor has recently become obsessed with ferns. Their leaves generally have a mathematical beauty like the golden ratio. There are many types, and most of them are beautiful. They can be seen in forests, riversides, and in the courtyards of ancient houses. Fern and nautilus a - DayDayNews

The editor has recently become obsessed with ferns. Their leaves generally have a mathematical beauty like the golden ratio. There are many types, and most of them are beautiful. They can be seen in forests, riversides, and in the courtyards of ancient houses. Fern and nautilus a

Fragrant garden | "Pteridophylla fern", the "living fossil" of the plant world

05/18 1059

The United States has established a UFO research group. Do "Trisolarans" exist? In May 2022, the U.S. Congress held the first UFO hearing in more than half a century. However, the thunder was loud and the rain was light, and not much information was disclosed at the meeting. , th - DayDayNews

The United States has established a UFO research group. Do "Trisolarans" exist? In May 2022, the U.S. Congress held the first UFO hearing in more than half a century. However, the thunder was loud and the rain was light, and not much information was disclosed at the meeting. , th

What to send a message to the universe? Are humans being monitored by aliens? U.S. forms UFO research group

05/17 1573

NASA Administrator Nielsen has made "wild remarks" in the media again. In a recent interview with Germany's "Bild", he said, "Beware of China occupying the moon." - DayDayNews

NASA Administrator Nielsen has made "wild remarks" in the media again. In a recent interview with Germany's "Bild", he said, "Beware of China occupying the moon."

Afraid? NASA Administrator: Watch out for China occupying the moon! Who wants to bypass the Outer Space Treaty?

05/17 1920

1. When did cats start to look like this? 2. “This is what an artichoke would look like if you let it bloom.” 3. “A large group of turtles sunbathing on a floating tree trunk” 4. “The passion vine bloomed this morning!” 5. “These two strawberries grew With a pair of happy feet.” - DayDayNews

1. When did cats start to look like this? 2. “This is what an artichoke would look like if you let it bloom.” 3. “A large group of turtles sunbathing on a floating tree trunk” 4. “The passion vine bloomed this morning!” 5. “These two strawberries grew With a pair of happy feet.”

19 photos of natural beauty that will completely mesmerize you

05/17 1539

According to a recent report by Germany's "Bild", Nielsen said in an interview with the media that he was very uncomfortable with China's space program, especially the signing of a memorandum of understanding with Russia "on cooperation in the establishment of an international lu - DayDayNews

According to a recent report by Germany's "Bild", Nielsen said in an interview with the media that he was very uncomfortable with China's space program, especially the signing of a memorandum of understanding with Russia "on cooperation in the establishment of an international lu

Does China want to occupy the moon? Nelson's heart is as ugly as his appearance

05/18 1124

Recently, scientists discovered that two previously dead stars collided and combined to create a new star that burns hundreds of times as brightly as the sun and is covered in carbon and oxygen, the ash byproducts of helium fusion. Like fiery phoenixes, some stars may explode in - DayDayNews

Recently, scientists discovered that two previously dead stars collided and combined to create a new star that burns hundreds of times as brightly as the sun and is covered in carbon and oxygen, the ash byproducts of helium fusion. Like fiery phoenixes, some stars may explode in

Two Death Stars collide and combine to create a new star

05/18 1021

Fang Zhouzi has disappeared from the public eye for several years. He was once a pioneer in fighting counterfeiting and was frequently active in various column groups. He was also called the "Internet Lu Xun". No matter how good a scientific person is in school, in order to produ - DayDayNews

Fang Zhouzi has disappeared from the public eye for several years. He was once a pioneer in fighting counterfeiting and was frequently active in various column groups. He was also called the "Internet Lu Xun". No matter how good a scientific person is in school, in order to produ

Do you still remember Fang Zhouzi? Is he a scientific person or a highly educated paparazzi?

05/19 1695

Last night I went for a walk and saw two primary school students arguing fiercely in the elevator. When one of the boys saw me, he anxiously asked me to be the referee and asked: "Uncle, do you think there are really points, straight lines and points in the universe?" Plane?" I t - DayDayNews

Last night I went for a walk and saw two primary school students arguing fiercely in the elevator. When one of the boys saw me, he anxiously asked me to be the referee and asked: "Uncle, do you think there are really points, straight lines and points in the universe?" Plane?" I t

Are there points, lines and planes in the universe? Will the "two-way foil" in "The Three-Body Problem" exist?

05/19 1848

I saw a piece of news in which NASA Administrator Nielsen announced that China wants to occupy the moon and asked everyone to be careful. I think this director is too naive. The moon has been occupied by the Chinese a long time ago, so there is no need to think about occupying it - DayDayNews

I saw a piece of news in which NASA Administrator Nielsen announced that China wants to occupy the moon and asked everyone to be careful. I think this director is too naive. The moon has been occupied by the Chinese a long time ago, so there is no need to think about occupying it

The moon has been Chinese since ancient times. Nielsen, please shut up. We don’t need to occupy it.

05/19 1973

According to statistics, there are 1.5 million species of animals on the earth. In order to thrive on this beautiful planet, each animal has its own unique secret weapon. There is a group of animals that are the masters of poison in the animal kingdom, making them intimidating to - DayDayNews

According to statistics, there are 1.5 million species of animals on the earth. In order to thrive on this beautiful planet, each animal has its own unique secret weapon. There is a group of animals that are the masters of poison in the animal kingdom, making them intimidating to

The 5 most poisonous animals in the world, some of which have no cure

05/19 1111

Using the locust disaster as a clue and Lockwood's arrest as an auxiliary clue, the plot unfolds bit by bit, going through the black market transactions, dinosaur park, isolation zone, and successful rescue. Because it is a 3D effect, the picture is very good. It's amazing, espec - DayDayNews

Using the locust disaster as a clue and Lockwood's arrest as an auxiliary clue, the plot unfolds bit by bit, going through the black market transactions, dinosaur park, isolation zone, and successful rescue. Because it is a 3D effect, the picture is very good. It's amazing, espec

Jurassic World 3 - Thoughts

05/19 1894

In recent years, China has developed rapidly in the aerospace field. In fact, this can be seen from a series of remarks by NASA Administrator Nielsen, because he will mention China and criticize China on more and more occasions. - DayDayNews

In recent years, China has developed rapidly in the aerospace field. In fact, this can be seen from a series of remarks by NASA Administrator Nielsen, because he will mention China and criticize China on more and more occasions.

Another weird comment! NASA Director: Beware of "China Occupying the Moon", Netizens: The situation is really low

05/19 1045

The issue of luck is indeed very important. A moment of good luck may well set you up for years or even decades to come. If you are unlucky, you are likely to have unstoppable bad luck. This is the importance of luck! However, to be honest, luck is also a part of one's own streng - DayDayNews

The issue of luck is indeed very important. A moment of good luck may well set you up for years or even decades to come. If you are unlucky, you are likely to have unstoppable bad luck. This is the importance of luck! However, to be honest, luck is also a part of one's own streng

Does raising turtles require luck? Not to mention, luck is very important.

05/19 1744

Many Western countries, especially the United States, in the early days of China's founding, in order to suppress China's development and rise, they isolated, threatened, and even provoked China in many aspects. - DayDayNews

Many Western countries, especially the United States, in the early days of China's founding, in order to suppress China's development and rise, they isolated, threatened, and even provoked China in many aspects.

Faced with the difficulties faced by foreign reporters, it is really amazing to see how Premier Zhou wittily resolved them.

05/19 1320

Just recently, the "League of Legends" LPL summer game is in full swing on the Huya platform, and during this period, it has also attracted countless netizens to come and watch the game. This game is currently recognized as the most valuable professional event in the industry. No - DayDayNews

Just recently, the "League of Legends" LPL summer game is in full swing on the Huya platform, and during this period, it has also attracted countless netizens to come and watch the game. This game is currently recognized as the most valuable professional event in the industry. No

Brother Crystal’s second-line commentary for the summer game! Complaining about the singing video of contestants, bluntly saying: The only one who is strong is the tuner

05/19 1534

This is the current average price of orange bows. The average price of the alliance is 137,200 gold, and the average price of the tribe is 145,300 gold. I remember that the average price of the orange bow, the first CD released by SW, was only about 80,000 gold. It is rare for an - DayDayNews

This is the current average price of orange bows. The average price of the alliance is 137,200 gold, and the average price of the tribe is 145,300 gold. I remember that the average price of the orange bow, the first CD released by SW, was only about 80,000 gold. It is rare for an

Warcraft TBC: 154,000 orange bows dropped, the average price doubled, 600,000 gold bows are still common

05/19 1044

Tofu is a perfect match for it. You can mix it up without turning on the fire. It is refreshing and refreshing. You can’t wait to eat it three times a week. The Dog Days in 2022 have a total of 40 days. From July 16 to July 25, a total of 10 days are called the first days. The to - DayDayNews

Tofu is a perfect match for it. You can mix it up without turning on the fire. It is refreshing and refreshing. You can’t wait to eat it three times a week. The Dog Days in 2022 have a total of 40 days. From July 16 to July 25, a total of 10 days are called the first days. The to

Tofu is a perfect match with it. Just mix it up without turning on the fire. It is refreshing and cools down the heat. I can’t wait to eat it three times a week.

05/19 1994

Watermelon and ice cream are many people’s favorite ways to cool down in summer. As a national fruit, the price of watermelon usually fluctuates with market saturation, and usually does not vary much. - DayDayNews

Watermelon and ice cream are many people’s favorite ways to cool down in summer. As a national fruit, the price of watermelon usually fluctuates with market saturation, and usually does not vary much.

Ice Cream Defense: Whose "hugely profitable" business our summer-relieving artifact has become?

05/19 1221