the young astronomer’s -...
TRANSCRIPT
The Young Astronomer’s
Briefcase
小天文学家的工具箱
Rosa M. Ros
International Astronomical Union, Com. 46
Technical University of Catalonia, Spain
国际天文联合会—第46专委会,加泰罗尼亚理工大学(巴塞罗那,西班牙)
Goals本节学习目标
Understand the importance of careful
observations 理解仔细观察的重要性
Understand the use of various instruments
through student construction of the
instruments 通过学生自己制作工具这一过程,使其理解如何运用各种工具
Components of the kit 工具类型 “Ruler to measure angles”量角器
Simplified quadrant象限式地平高度测量仪
Simple horizontal goniometer方位角测量仪
Planisphere 活动星图
Map of the Moon 月图
Spectroscope 分光镜
Equatorial Clock 赤道式时钟
Red Light Flashlight 红光手电
Compass 指南针
Wristwatch 手表
Paper, pencil, camera …纸、铅笔、相机等
1- “Ruler to measure angles“
测量角度的尺子 To provide the angular
distance between two
stars 用于测量两颗星间的角度
Simple to use if we do
not want to use
coordinates. 简单易用,无需从坐标推算
1-“Ruler to measure angles”
测量角度的尺子
“What is the distance
(radius R) needed to
obtain a device which is
equivalent to 1 º to 1 cm?”
–R为多大,1度对应于1
厘米?
2pR cm 1 cm
---------- = --------
360º 1º
R = 180 / p = 57 cm
1-“Ruler to measure angles“
测量角度的尺子
To build: We set a string length of 57 cm to a
non-flexible ruler 用一根57厘米长的绳子和一把尺子
1-“Ruler to measure angles“
测量角度的尺子 How to use: We observe
with the end of the
string almost touching
our eye (on the cheek
below the eye) 绳子的一端在眼睛下面的脸颊
With string stretched:
1cm = 1 degree 此时尺子上的一厘米对应一度
2- Simplified quadrant
简化地平仪 To get the altitude of
the stars. 测量天体的地平高度
Work in groups of
two students: one
looking through the
viewfinder and
another making
readings. 两人一起
工作,一人瞄准天体,另一人读取数值
2 - Simplified quadrant (gun type)
简化地平仪(枪式) Rectangular piece of cardboard (approx. 12x20 cm). 长方纸板
Two round hooks on the upper side 两个圆形钩子
2 - Simplified quadrant (gun type)
简化地平仪(枪式) If you see the object through the two hooks, the
string indicates the altitude above the horizon. 下垂的绳子指示地平高度
2 - Simplified quadrant (gun type)
简化地平仪(枪式) a straw with a carton located across the hooks is an
excellent viewfinder for measuring the altitude of
the sun by projecting the image onto a piece of
white cardboard. 也可以用一根吸管,把透过吸管的阳光投射在纸上,可用来测量太阳的地平高度。
ATTENTION:
NEVER LOOK
DIRECTLY AT
THE SUN! 太阳不可直视
3- Simple horizontal goniometer
简易方位角测量仪
To determine the
azimuth of the stars 用于测量天体的方位角
You need to use a
compass to align the
instrument in the
North-South direction.
需要用指南针确定南北
3- Simple horizontal goniometer
简易方位角测量仪
Cardboard 12x20 cm纸板
Using 3 “needles” can
make two directions
3根针定向
Read the angle between
them 读出方位角数值
3- Simple horizontal goniometer
简易方位角测量仪 To measure the azimuth
of a star must place the
origin of the semicircle in
the North-South direction.
使用南-北方位作为基准
Azimuth is the angle from
the North-South line
through the center of the
circle and the direction of
the star通过量角器可以测出方位角
4- Planisphere 活动星图
To learn what are
the constellations
visible in our
latitude known the
date and time of
observation
已知日期、时间、纬
度,可以知道哪些星座会出现在天空。
4- Planisphere 活动星图
Inside an pocket
whose cut-out area
depends on the local
latitude 将星盘放入一个根据当地纬度做出的口袋
4- Planisphere 活动星图
Rotate the
disk until it
matches the
date and time
of
observation
旋转星盘至指
定的日期和时间
6- Spectroscope 光谱仪
Paint inside the box
black将盒子内涂黑
Cut longitudinally
to look at the
spectrum within the
box 在黑子的长端切出一个观察槽
6- Spectroscope 简易光谱仪
Paste a piece of CD on the
bottom inside the box (with
the recorded area facing up)
在盒子底部粘上一小片光盘
Close the box leaving only a
slit open in the area opposite
the viewer. 然后稍微打开盒子,露出一条小缝隙
7- Equatorial clock 赤道式时钟
To determine the time
确定时间
You need to use a
compass to align the
instrument in the North-
South direction. 需用指南针确定南北
HORIZON AND
SUNDIAL
WORKSHOP
8 Flashlight (red light) 红光手电
To illuminate the maps before looking at real sky at night
用于读星图
Light can annoy observations
You can attach"cellophane" red to the light with adhesive
Conclusions 结论
Is appropriate that students make their own instruments, and use them in their organized briefcase 学员们能否会正确制作并使用工具箱里的工具
With this activity, students: 通过本项活动,学员们可以: gain confidence in the measures; 通过测量获得自信
take responsibility for their own instruments; 对自己的仪器负责
develop their creativity and manual skills; 开发自我的动手能力和创造性
understand the importance of systematic data collection;了解系统地数据采集的重要性
facilitate their understanding of more sophisticated instruments; 增加他们对更为精密的仪器的理解
recognize the importance of observation with the unaided eye, both in history and now. 让他们理解历史上和现在,用肉眼观测的重要性