### comet:

Active comet
* can also cross the Earth's orbit with the potential for collision.
* have high proper motion.

Periodic comet
* are comets that have an established pattern of orbiting the sun.
* have a special place in astronomy, because their orbits are often the same.
+ List of comets, Periodic comets: Astronomy lists
  * Periodic comets have a special place in astronomy, because their orbits are often the same. We know when they will visit us, and we can plan to watch them, and send space probes to look at them.

Command
* are authority
  - military units
  - speech acts
  - status
* sequence of bytes sent in the data field of a command packet.

### command:

Unity of command
* is essential to the economy of time.
* means that all forces are under one responsible commander.

### commendable practice:

Vegetarianism
* also holds many benefits to a healthier lifestyle.
* attracts people of all ages.
* boosts heart health and cuts our death rate due to heart disease, stroke and cancer.
* brings with it a new relationship to food, plants, and nature.
* can be a very healthy lifestyle choice
  - an adequate diet if followed properly with careful planning
  - bring about the right mental attitude for peace
  - lower rates of obesity, heart disease, hypertension, diabetes and some cancers
  - reduce the overburdened medical costs of the nation
* commendable practice.
* does help people.
* ensures health, fitness and glowing skin.
* form of boycott.
* growing movement in many age groups, and adolescents are no exception
  - trend with today's kids and teens
* has a long and revered tradition in Indian culture
  - firm roots in religion
  - such a positive image that people want to be called vegetarian
* healthy choice as long as a wide range of foods is eaten.
* is about working together
  - actually revolutionary compared to old traditions and beliefs
* is also a great investment in the kind of world where investments flourish
  - environmentally more sound
  - one of the precepts of yoga
* is an automatic cholesterol cutter
  - cholesterol-cutter
  - umbrella term that covers different styles of eating
  - unrequired and unimportant practice
  - as much a state of mind as it diet
  - considered mandatory for everyone
  - healthier, cheaper, simpler and more spiritually grounded
  - healthy, veganism more so
  - less stressful on the entire ecosystem
  - natural, based on a universal truth
  - now more popular than ever, according to new figures
  - practiced whenever possible
* is the abstinence from meat, fish, and fowl
  - of meat, fish, and fowl
  - diet of many popular celebrities
* is the future of food
  - mankind
  - practice of living solely upon vegetables, fruits, grains, and nuts
  - strongest in Britain and growing steadily in Germany and Belgium
  - un-American
  - usually a diet, while veganism lifestyle
  - viewed as an illness or a condition
* is, however more than a matter of diet.
* makes sense to a lot of people.
* means nutrition without any products from dead animals such as meat, poultry or fish.
* offers the world a future full of hope and promise.
* only excludes meats and fish and still provides for a well-rounded diet.
* personal choice.
* popular choice for many individuals and families.
* product of unnatural human conceptualizations.
* reduces methane.
* relates to how people understand the world and their bodies on a fundamental level.
* seems to be a booming trend.
* tried and tested diet - a diet to be trusted.
* very healthy, environmentally aware, animal friendly lifestyle
  - important halfway house
* widespread practice.

### commendable practice | vegetarianism:

Macrobiotic diet
* are generally too restrictive for people with cancer, especially during treatment.
* consist mostly of whole grains and beans.
* is vegetarianism