"There is a "river" in the sky" PPT courseware 2

"There is a "river" in the sky" PPT courseware 2

Collect:0 Like:0

Collect 0 Like 0

Authoritative    PPT Summary

"There is a "river" in the sky" PPT courseware 2

Watch animations and think about questions

In mythology, what did the Queen Mother use to separate the Cowherd and the Weaver Girl?

What does the Milky Way look like? What do you think it is made of?

The Milky Way has many interesting nicknames in Chinese classical poetry, such as:

The "Star Han" in Cao Cao's "Guan Cang Hai" "The stars are as brilliant as if they came out of them".

The "Yunhan" in Li Bai's "Drinking Alone under the Moon" "We will travel together without mercy forever, and meet each other in Yunhan".

The "Galaxy" in Du Fu's "Evening in the Pavilion" "The sound of drums and horns at the fifth watch is solemn and solemn, and the shadows of the stars in the Three Gorges are shaken".

The "Long River" in Li Shangyin's "Chang'e" "The candle shadow on the mica screen is deep, the long river is gradually falling and the dawn stars are sinking".

Milky Way and Milky Way

Strictly speaking, there is a difference between the Milky Way and the Milky Way.

The Milky Way is not the Milky Way, but the bright band that can be seen on the earth when part of the Milky Way is projected in the sky.

Read the information and find the answers

Read the short information on page 48 and find out what celestial bodies the Milky Way is made of?

What is the shape and size of the Milky Way?

1. What is the Milky Way made of?

1. Contains about 100 billion stars

2. Composition: star system, gas, dust material

The sun is just one of the stars; the solar system is just one of the galaxies.

View from the front: wheel-shaped vortex

Four spiral arms

Swan arm, Perseus arm, Orion arm, Centaur arm

Tips: I’ll give you a measuring stick

Light year: In astronomy, the distance traveled by light in one year is defined as one light year.

Please do the math: How many kilometers is a light-year away? (The speed of light is 300,000 kilometers/second)

1 light year

=3×105 kilometers/second×3600 seconds/hour×24 hours/day×365 days

=9.46×1012 kilometers

9460000000000 kilometers

Examples of lightyear applications

The closest known star to the solar system is Proxima Centauri, which is 4.22 light-years away.

The Andromeda Galaxy is the closest large galaxy to our Milky Way, located 2.2 million light-years away.

At present, the scope of astronomical observation has expanded to a vast space of 20 billion light-years.

Keywords: There is a River in the Sky teaching courseware, download the science PPT courseware for the second volume of the sixth grade of the E-education edition, download the science slide courseware for the sixth grade, download the PPT courseware of There is a River in the Sky, .PPT format;

For more information about "There is a River in the Sky" PPT courseware, please click on the "There is a River in the Sky" ppt tag.

"There is a "river" in the sky" PPT courseware:

"There is a River in the Sky" PPT courseware There is a River in the Sky Thinking and discussion: Do you know what the huge celestial system of the Milky Way is made of? Please tell me. The composition of the Milky Way Galaxy. Stars: 200 billion (including 100 billion stars). A large amount of gas and dust...

︶ ̄Ss°╮

Works 91564 Articles 5168
Upgrade VIP Free Download
Download Points: 0.00

Daoge Coin

Note: 1 Daoge Coin = 1 RMB = 10 points

"There is a "river" in the sky" PPT courseware 2 Simple campus recruitment activity planning plan summary enterprise and institution recruitment publicity lecture PPT template is a general PPT template for business post competition provided by the manuscript PPT, simple campus recruitment activity planning plan summary enterprise and institution recruitment promotion Lecture PPT template, you can edit and modify the text and pictures in the source file by downloading the source file. If you want more exquisite business PPT templates, you can come to grid resource. Doug resource PPT, massive PPT template slide material download, we only make high-quality PPT templates!

文件名 如何下载使用 下载次数 Download Points 下载地址
"There is a "river" in t... 22975次 0.00 Free Download

Tips: If you open the template and feel that it is not suitable for all your needs, you can search for related content "There is a "river" in the sky" PPT courseware 2 is enough.

How to use the Windows system template

Directly decompress the file and use it with office or wps

How to use the Mac system template

Directly decompress the file and use it Office or wps can be used

Related reading

For more detailed PPT-related tutorials and font tutorials, you can view: Click to see

How to create a high-quality technological sense PPT? 4 ways to share the bottom of the box

Notice

Do not download in WeChat, Zhihu, QQ, built-in browsers, please use mobile browsers to download! If you are a mobile phone user, please download it on your computer!
1. The manuscript PPT is only for study and reference, please delete it 24 hours after downloading.
2. If the resource involves your legitimate rights and interests, delete it immediately.
3. Contact information: service@daogebangong.com

"There is a "river" in the sky" PPT courseware 2, due to usage restrictions, it is only for personal study and reference use. For commercial use, please go to the relevant official website for authorization.

(Personal non-commercial use refers to the use of this font to complete the display of personal works, including but not limited to the design of personal papers, resumes, etc.)

Preview

"There is a "river" in the sky" PPT courseware 2

Related reading

For more detailed PPT-related tutorials and font tutorials, you can view:Please click to see

Read article >

Collect 0
Like 0
Related popular resources
Read related articles