These are my notes for working with Boy Scouts on the Astronomy
Merit Badge. This is in sketch form - I plan to improve this document
later. You will find here a list of the requirements for the merit
badge. Each requirement is accompanied by my notes on presenting
information about the requirement. I also have an introduction
to hand out to Scouts.
- Describe
the proper clothing and other precautions for safely making observations
at night and in cold weather. Tell how to safely observe the
Sun, objects near the Sun, and the Moon. Explain first aid for
injuries or illnesses, such as heat and cold reactions, dehydration,
bites and stings, and damage to your eyes that could occur during
observation.
Winter observing:
You need more protection from cold then when camping. Observing has no sunlight
and is inactive. Plan
for 20 degrees colder than the actual temperature.
First aid for eye damage:
Protection. No
first aid beyond get to an eye doctor.
Symptoms: pain, blurred vision, flash
blindness. Sunburn to cornea or to
retina. Recovery varies.
- Explain
what light pollution is and how it and air pollution affect astronomy.
- With
the aid of diagrams (or real telescopes if available), do each
of the following:
- Explain why binoculars and telescopes
are important astronomical tools. Demonstrate or explain how
these tools are used.
- Describe
the similarities and differences of several types of astronomical
telescopes.
Refractor,
reflector, Schmidt-Cassegrain
Altitude-azimuth, equatorial, Dobsonion
- Explain the purposes of at least three instruments
used with astronomical telescopes.
Finder, 1x sight, planisphere,
charts, camera, spectroscope, reticle,
alignment tools
- Do the
following:
- Identify in the sky at least 10 constellations,
at least four of which are in the zodiac.
Spring:
Ursa Major, Ursa
Minor, Bootes, Hercules, Corvus,
Lyra
Gemini,
Leo, Virgo, Libra, Scorpius
- Identify at least eight conspicuous stars,
five of which are of magnitude 1 or brighter.
Spring
Dubhe, Merak,
Mizar, Alcor,
(all Ursa Major)
Regulus (Leo),
Arcturus, (Bootes),
Altair (Aquila), Spica (Virgo), Vega
(Lyra), Antares
(Scorpius), Capella
(Auriga), Castor, Pollux
(Gemini), Deneb (Cygnus)
Summer
Triangle: Vega, Deneb,
Altair
- Make two sketches of the Big Dipper. In one
sketch, show the Big Dipper's orientation in the early evening
sky. In another sketch, show its position several hours later.
In both sketches, show the North Star and the horizon. Record
the date and time each sketch was made.
- Explain what we see when we look at the Milky
Way.
- Do the following:
- List the names of the five most visible planets.
Explain which ones can appear in phases similar to lunar phases
and which ones cannot, and explain why.
- Find out when each of the five most visible
planets that you identified in requirement 5a will be observable
in the evening sky during the next 12 months, then compile this
information in the form of a chart or table. Update your chart
monthly to show whether each planet will be visible during the
early morning or in the evening sky.
- At approximately
weekly intervals, sketch the position of Venus, Mars or Jupiter
in relation to the stars. Do this for at least four weeks and
at the same time of night. On your sketch, record the date and
time next to the planet's position. Use your sketch to explain
how planets move.
- Do the
following:
- Sketch
the face of the moon and indicate at least five seas and five
craters. Label these landmarks.
- Sketch the phase and the daily position
of the Moon at the same hour and place, for a week. Include landmarks
on the horizon such as hills, trees, and buildings. Explain
the changes you observe.
- List
the factors that keep the Moon in orbit around Earth.
- With
the aid of diagrams, explain the relative positions of the Sun,
Earth, and the Moon at the times of lunar and solar eclipses,
and at the times of new, first-quarter, full, and last-quarter
phases of the Moon.
- Do
the following:
- Describe
the composition of the Sun, its relationship to other stars,
and some effects of its radiation on Earth's weather. Define
sunspots and describe some of the effects they may have on solar
radiation.
- Identify at least one red star, one blue
star, and one yellow star (other than the Sun). Explain the meaning
of these colors.
Blue:
Regulus (Leo), Vega (Lyra)
Red:
Antares (Scorpius),
Artcurus (Bootes)
Yellow:
Albiero (Cygnus), Pollux
(Gemini), Capella (Auriga),
Castor (Gemini)
- With
your counselor's approval and guidance, do ONE of the following:
- Visit
a planetarium or astronomical observatory. Submit a written report,
a scrapbook, or a video presentation afterward to your counselor
that includes the following information: