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When you enter into any new area of science, you almost always find
yourself with a baffling new language of technical terms to learn before you can converse with the experts. This is certainly true in astronomy both in terms of terms that refer to the cosmos and terms that describe the tools of the trade, the most prevalent being the telescope. So to get us off of first base, let’s define some of the key terms that pertain to telescopes to help you be able to talk to them more intelligently. The first area of specialization in telescopes has to do with the types of telescopes people use. The three designs of telescopes that most people use are the Refractor, the Reflector and the Schmidt Cassegrain telescope. The refractor telescope uses a convex lens to focus the light on the eyepiece. The reflector telescope has a concave lens which means it bends in. It uses mirrors to focus the image that you eventually see. The Schmidt Cassegrain telescope uses an involved system of mirrors to capture the image you want to see. A binocular telescope uses a set of telescopes mounted and synchronized so your view of the sky is 3-D. Beyond the basic types, other terms refer to parts of the telescope or to the science behind how telescopes work. Collimation is a term for how well tuned the telescope is to give you a good clear image of what you are looking at. You want your telescope to have good collimation so you are not getting a false image of the celestial body. Aperture is a fancy word for how big the lens of your telescope is. But it’s an important word because the aperture of the lens is the key to how powerful your telescope is. Magnification has nothing to do with it, its all in the aperture.
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In our travel news roundup this week: the rise in solo dining, where to save money at US ski resorts, plus the Californian hot-air balloon company offering a rather cheeky package.
Your love keeps lifting me higher
Is it getting hot in here, or is a gas-burner propelling a dirigible above our heads?
A California-based hot-air balloon company is offering mile-high flights – with amorous Mile-High Club privileges – over the Temecula countryside.
Guests can enjoy the views with a whole basket to themselves – and a privacy screen separating the pilot compartment from the passenger cabin.
The pilot, who Magical Adventure Balloon Rides promises will be wearing protective hearing gear and focused solely on flying, ascends the balloon to 5,280 feet (about 1,610 meters), which is about 2,000 feet higher than a typical recreational flight.
While intimate clinches are usually thoroughly discouraged in the skies, the company invites you to bring your own bedding and music playlist. A complimentary Champagne breakfast is included to fuel your frolics, of whatever sort.
Pricing for two passengers starts at $1,400. If your mantra is “the more the merrier,” each additional adult in the larger 10-person basket is $159.
The Mile-High Club flight is just one of a host of packages on offer, from wine tours to company picnics, the rest of which are considerably more family-friendly.
All by myself
Sometimes it can seem like the world is full of lovers floating high on cloud nine, but don’t fret if you’re going it alone this Valentine’s season: You’re bang on trend.
Millennials and Gen Z are breaking down the stigma attached to solo dining in an era when more Americans live alone than ever before. Some do it for convenience; some do it for freedom — either way, reservations for one are on the rise.
Once you’ve mastered dining alone, it’s time for bigger challenges, such as walking across Saudi Arabia. British explorer Alice Morrison, who has been called “Indiana Jones for girls,” is in the middle of her five-month trek of 2,500 kilometers (about 1,550 miles).
Others are opting for a permanent adventure. Californian Jason Bennett gave up his life in San Francisco for a new home in Colombia. Today he says his happiness is “off the charts.”
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