Astronomy - Ch. 24: Variable Stars (10 of 26) The Importance of the Cepheid Variables

2024/05/0616:06:04 science 2333

Astronomy - Ch. 24: Variable Stars (10 of 26) The Importance of the Cepheid Variables - DayDayNews

Astronomy - Ch. 24: Variable Stars (10 of 26) The Importance of the Cepheid Variables - DayDayNews

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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

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

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

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

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

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

Recently, China Forestry Press held a symposium on the theory and technology of grassland ecological restoration and a new book launch of "Main Technical Models of Ecological Restoration of Degraded Grassland". - DayDayNews

Recently, China Forestry Press held a symposium on the theory and technology of grassland ecological restoration and a new book launch of "Main Technical Models of Ecological Restoration of Degraded Grassland".

Commissioned by the National Bureau of Investigation, this major achievement was officially released! It is the first time in the country for an academician to write a preface!

05/17 1924

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

"What are humans doing? They discharge so much sewage! The fish are all affected." "Why do humans pursue progress and development? Human beings are very selfish when they only think about themselves." "Why don't humans let other animals manage the earth?" Early in the morning, th - DayDayNews

"What are humans doing? They discharge so much sewage! The fish are all affected." "Why do humans pursue progress and development? Human beings are very selfish when they only think about themselves." "Why don't humans let other animals manage the earth?" Early in the morning, th

Cognition｜What are humans doing?

05/17 1200

In 1938, a fishing boat was fishing near the Comoros Islands near Madagascar and caught a very strange-looking fish. - DayDayNews

In 1938, a fishing boat was fishing near the Comoros Islands near Madagascar and caught a very strange-looking fish.

A "fish" with four limbs was found in the deep sea, weighing up to 100 kilograms and with purple scales. What exactly is it?

05/18 1699

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 rarest and most bizarre aquatic creatures in the world, many people have seen them for the first time. Which ones have you seen? Type 4: Dumbo Octopus, don’t you think it’s cute when you hear this name? It was discovered by marine biologists at 1,600 meters on the bottom of t - DayDayNews

The rarest and most bizarre aquatic creatures in the world, many people have seen them for the first time. Which ones have you seen? Type 4: Dumbo Octopus, don’t you think it’s cute when you hear this name? It was discovered by marine biologists at 1,600 meters on the bottom of t

Continuing with what we mentioned in the last issue, weird and weird creatures, let’s take a look at the different ones today.

05/19 1073

On July 1, the official website of the New Cornerstone Researcher Program released the latest application guidelines. The "New Cornerstone Researcher Project" is a new basic research funding project led by scientists and funded by Tencent. It is a public welfare and independently - DayDayNews

On July 1, the official website of the New Cornerstone Researcher Program released the latest application guidelines. The "New Cornerstone Researcher Project" is a new basic research funding project led by scientists and funded by Tencent. It is a public welfare and independently

The big project is coming! 60 people will receive five-year funding, RMB 3-5 million per year

05/19 1439

On June 23, 2022, Ansuman T. Satpathy's team from Stanford University published an article titled Genome-wide CRISPR screens of T cell exhaustion identify chromatin remodeling factors that limit T cell persistence in Cancer Cell. - DayDayNews

On June 23, 2022, Ansuman T. Satpathy's team from Stanford University published an article titled Genome-wide CRISPR screens of T cell exhaustion identify chromatin remodeling factors that limit T cell persistence in Cancer Cell.

Genome-wide CRISPR screen reveals chromosomal remodeling critical for maintenance of exhausted T cells

05/19 1312

Note: IND=investigational new drug, BLA=biologics license application. - DayDayNews

Note: IND=investigational new drug, BLA=biologics license application.

Development of Clinical-Grade Cell Therapies: A Basic Overview

05/19 1786

It has to be said that after this series of operations, Harden has completely become a "city hero". I still remember when you first joined the 76ers, Embiid said you were weak, Maxi didn’t want to sit next to you, Rivers nagged you, and even the fans turned against you on the spo - DayDayNews

It has to be said that after this series of operations, Harden has completely become a "city hero". I still remember when you first joined the 76ers, Embiid said you were weak, Maxi didn’t want to sit next to you, Rivers nagged you, and even the fans turned against you on the spo

Show off his skills again, Harden wakes up Durant! The transaction is upgraded, and the 76ers have a clear attitude

05/19 1545

The handsome Kong Linghui was very popular in the athlete era and was the idol of many female fans. Time flies by like a fleeting moment, and it has been nine years since Kong Linghui and Ma Su broke up. Their fate in life is lamentable... - DayDayNews

The handsome Kong Linghui was very popular in the athlete era and was the idol of many female fans. Time flies by like a fleeting moment, and it has been nine years since Kong Linghui and Ma Su broke up. Their fate in life is lamentable...

Kong Linghui and Ma Su broke up 9 years ago: he is still single despite the ups and downs of his life, and she is still popular despite the wind and frost

05/19 1117

After being scorned by Zhao Rui and criticizing Guo Ailun by name, Du Feng lost control of the blame. The Chinese men's basketball team reshuffled 3 points in a single quarter. This is a shameful record for the Chinese men's basketball team. In the first half of the game against - DayDayNews

After being scorned by Zhao Rui and criticizing Guo Ailun by name, Du Feng lost control of the blame. The Chinese men's basketball team reshuffled 3 points in a single quarter. This is a shameful record for the Chinese men's basketball team. In the first half of the game against

After Zhao Rui scorned him and criticized Guo Ailun by name, Du Feng got out of control and the Chinese men's basketball team was reshuffled.

05/19 1827

Boss Cai just said: I would rather have a player who plays well, even if he only wins 40 games to fight for the finals, than have a player who is talented but does not work hard for the team! - DayDayNews

Boss Cai just said: I would rather have a player who plays well, even if he only wins 40 games to fight for the finals, than have a player who is talented but does not work hard for the team!

Boss Cai doesn’t leave anyone behind! Simmons suddenly cleared social media and hinted that he was about to be traded by the Nets

05/19 1075

Ethnic relations in ancient Yunnan are an important part of ethnic relations in ancient China, and are a relationship between parts and the whole. Due to the characteristics of Yunnan's own historical development, the interaction between Yunnan and the mainland of the motherland, - DayDayNews

Ethnic relations in ancient Yunnan are an important part of ethnic relations in ancient China, and are a relationship between parts and the whole. Due to the characteristics of Yunnan's own historical development, the interaction between Yunnan and the mainland of the motherland,

How were Yunnan and Guizhou included in China's territory? This is a difficult journey of more than a thousand years

05/19 1352

The Guanlong Group is a term put forward by Mr. Chen Yinke in "Review of the Political History of the Tang Dynasty". It refers to the powerful military forces whose main origins were located around Guanzhong, Shaanxi and Longshan, Gansu during the Northern Wei Dynasty. - DayDayNews

The Guanlong Group is a term put forward by Mr. Chen Yinke in "Review of the Political History of the Tang Dynasty". It refers to the powerful military forces whose main origins were located around Guanzhong, Shaanxi and Longshan, Gansu during the Northern Wei Dynasty.

The strongest military group that has controlled the government for more than a hundred years—Guanlong Group

05/19 1878