Home / Color Changing Coffee Mugs / Heavens, The - Monthly Star Charts (1970) (Map) Color Changing Mug 11oz
  • Heavens, The - Monthly Star Charts (1970) (Map) Color Changing Mug 11oz Default Title - Go Mug Yourself
  • Heavens, The - Monthly Star Charts (1970) (Map) Color Changing Mug 11oz - Go Mug Yourself
  • Heavens, The - Monthly Star Charts (1970) (Map) Color Changing Mug 11oz - Go Mug Yourself
  • Heavens, The - Monthly Star Charts (1970) (Map) Color Changing Mug 11oz - Go Mug Yourself
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Heavens, The - Monthly Star Charts (1970) (Map) Color Changing Mug 11oz

Heavens, The - Monthly Star Charts (1970) (Map) Color Changing Mug 11oz

100 in stock

$17.99 USD
$17.99 USD
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Heavens, The - Monthly Star Charts (1970) Design

This is a star chart from 1970, part of a monthly series that mapped the night sky for anyone willing to step outside and look up.

Visual Elements & Composition

The composition is built on a dark field scattered with points of light. Stars appear as small bright marks of varying size, and fine lines link them into constellations. Curved boundary lines and printed lettering give the sky an orderly, cartographic structure, so the chart reads as a map first and a picture second. Numerals and labels identify the stars and the period the sky applies to.

Meaning & Symbolism

Monthly star charts were practical tools. Each issue showed which constellations would be visible during that period, letting a reader match the page to the sky overhead. The series belongs to an era when printed astronomy guides taught households the names of the stars, and the title Heavens reflects the old habit of treating the sky as something that can be read and learned.

Turning the Sky in Your Hands

A mug is held in both hands and turned slowly, so the chart is seen in sections rather than all at once, much as a navigator moves across a sky over the course of a night. The heat-reactive surface adds a second layer. The star field is faint when the cup is cold and comes forward once a hot drink is poured in, so the map seems to appear as the morning warms up. The black outside and white inside suit a chart of the night sky, and the mug makes a thoughtful gift for anyone who has ever tried to find Orion from a back step.

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Color-changing ceramic mugs with a glossy finish, black exterior, and white interior. Available in one size: 11 oz (≈330 ml). Heat-reactive coating reveals your custom design when filled with hot liquid. BPA- and lead-free, with a comfortable C-handle.

This mug brings a playful twist to the daily coffee or tea ritual. At room temperature, it looks like a simple black mug with a glossy finish. But add a hot beverage, and your chosen design fades into view, showing vivid colors against the white interior.

The ceramic body is durable enough for repeated use, while the C-shaped handle balances comfort and grip. Printing uses sublimation techniques that fuse color into the heat-reactive surface for crisp results when the design appears.

  • Material: ceramic with glossy black exterior and white interior.
  • Size: one standard size, 11 oz (≈330 ml).
  • Finish: glossy glaze with heat-sensitive surface.
  • Printing: sublimation process produces crisp, vibrant colors.
  • Safety: BPA-free and lead-free, suitable for everyday drinks.
  • Effect: design is faintly visible when cold, fully revealed when hot.

Perfect as a novelty gift or a fun personal mug, the heat-reactive design makes coffee breaks more engaging. It works well for morning coffee, afternoon tea, or hot chocolate.

  1. Daily routine: fill with any hot beverage to reveal your chosen artwork.
  2. Gifting: the “magic” reveal makes it a memorable present for birthdays, holidays, or office exchanges.
  3. Office use: sparks conversation while still being practical for everyday drinks.

Note: for best results, avoid designs that rely heavily on deep black backgrounds, as they may blend with the mug’s surface when cold.

Unlike standard mugs, color-changing mugs require gentler care to preserve the heat-reactive coating. Hand-wash only — avoid the dishwasher and abrasive scrubbers, which can damage the finish and reduce the effect.

The mug is safe for short microwave use when heating liquids, but repeated high-heat cycles may shorten the lifespan of the coating. Always allow the mug to cool before washing.

Available in one classic size: 11 oz (approximately 330 ml). It’s large enough for most standard coffee makers and fits comfortably in most cabinets.

Size guide

All measurements are product dimensions in inches.

11 oz
Height (in) 3.78
Diameter (in) 3.23
Diameter w/ handle (in) 4.76

Note: measurements are approximate; slight variations may occur due to manufacturing tolerances.