The black holes shop
A short list of books, sky-watching kit and space gifts for black hole fans. Every purchase helps keep this site free.
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Black hole printables
Fact-checked PDFs in A4 and US Letter, sold as instant downloads from the ReallyByte store: our own drawings and charts, sources compared side by side, and worksheets with answers. Prices in US dollars.
The Black Holes Reference Guide
Our own anatomy drawing, the Schwarzschild radius, the four kinds and the famous black holes, Sagittarius A*, the first pictures, gravitational waves, who’s who, a timeline from 1783 to 2024, every place the sources disagree, myths and a glossary. 15 pages, A4 and US Letter.
Black Holes Activity Pack: Cards, Quiz and Worksheets
Twelve cut-out fact cards, a 12-question quiz, a myth-or-fact sheet, a squash-it maths worksheet, a label-the-diagram sheet and a timeline sort, all with answer pages. 13 pages, A4 and US Letter.
Black Holes by Numbers: Fact Sheet and Charts
A one-page fact sheet and charts of black hole masses, distances and sizes, the Event Horizon Telescope and the first gravitational waves in numbers, records, and a quick quiz. 9 pages, A4 and US Letter.
The Black Holes Printables Bundle
All three black holes packs in one download, A4 and US Letter: the Reference Guide, the Activity Pack and Black Holes by Numbers. $11.99 instead of $15.47 bought separately. 37 pages, A4 and US Letter.
Books & kit
Affiliate links: As an Amazon Associate I earn from qualifying purchases. These are Amazon UK search links, not endorsements of particular products. Read reviews and pick what suits you.
Books
- Books about black holes (affiliate link)Popular science on black holes, from short guides to big reads.
- Stephen Hawking’s books (affiliate link)Popular science from the physicist behind Hawking radiation.
- Kip Thorne’s books (affiliate link)Popular science from one of the 2017 Nobel winners for LIGO.
- Relativity explained (affiliate link)Einstein’s theory of gravity, the idea behind black holes, for non-experts.
- Gravitational waves (affiliate link)The story of LIGO and the first signal from colliding black holes.
- The first black hole pictures (affiliate link)Books on the Event Horizon Telescope and how the images were made.
- Astronomy for beginners (affiliate link)Guides to the night sky and the universe beyond it.
- Black hole books for children (affiliate link)Picture books and first guides; check the age range.
Look up
- Beginner telescopes (affiliate link)For the Moon, the planets and the brighter star clusters.
- Astronomy binoculars (affiliate link)A good first step for the Milky Way and the constellations.
- Planispheres (affiliate link)Turn the wheel to find Sagittarius and Cygnus on a given night.
- Night sky guides (affiliate link)Star maps and monthly sky guides.
Gifts and fun
- Black hole posters and prints (affiliate link)The first pictures and artists’ impressions, for the wall.
- Space science kits (affiliate link)Hands-on space projects; check the age range.
- Space jigsaws (affiliate link)Galaxies and nebulae, in a thousand pieces.
- Star projectors (affiliate link)The night sky on the bedroom ceiling.
Support the network
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