Five amazing things: astronomy

The best of the web, brought to you.

The best of the web, brought to you.

The internet is full of astonishing videos, pictures and articles but the noise-to-signal ratio can be boringly high. So, from now on, I'll be regularly collecting five of the best texts, movies and images, old and new, on a variety of subjects.

This time: astronomy. Next time: dancing.

1. Scale by Brad Goodspeed

How big would the other planets look if they orbited the earth at the same distance -- 380,000km -- that the moon does? Brad Goodspeed's visualisation will show you. Watch out for Jupiter, which is intimidatingly vast.

2. Bill O'Reilly doesn't understand the moon

While we're talking about the moon, it turns out that Bill O'Reilly doesn't know how it works -- which is why he believes in God. "How did the moon get there?" he asks. "How come we have that, and Mars doesn't?" As I think Jon Stewart pointed out recently, O'Reilly seems to believe that if he doesn't understand a given concept, no one does. (By the way, Bill, National Geographic has the answer here.)

3. Eclipsing the sun

File this under "Eek". The French photographer Thierry Legault took a photo of the International Space Station passing in front of the sun. A humbling reminder that even our most cutting-edge technology is pretty small beer on the cosmic scale.

Oh, and if you want to see what the astronauts on the ISS are looking at right now, you can do that at the Nasa website here.

4. Nasa's astronomy picture of the day

Always beautiful, often mind-boggling, these photos have recently included the cracked surface of Jupiter's moon Europa, the deep-space contortions of the Seagull Nebula and gorgeous skies over Libya and Stockholm. Look out, too, for the amazing video of the Peerskill meteor of 1992, which, despite being only the size of a bowling ball, was brighter than a full moon as it screamed towards earth.

5. "Pale Blue Dot" by Carl Sagan

My final pick is a personal one: Carl Sagan's "Pale Blue Dot". We had this as a reading at our wedding, because its both humbling and hopeful. Starting with a photo of earth taken in 1990 by Voyager 1 from the edge of the solar system -- 3,781,782,502 miles away -- the great science educator reflects on our responsibility to care for that "mote of dust suspended in a sunbeam . . . the only home we've ever known". If you don't feel a little prickle in your tearducts by the end, you have no soul.

An image from NASA''s Hubble Space Telescope of a vast, sculpted landscape of gas and dust where thousands of stars are being born. Credit: Getty Images

Helen Lewis is deputy editor of the New Statesman. She has presented BBC Radio 4’s Week in Westminster and is a regular panellist on BBC1’s Sunday Politics.

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Age verification rules won't just affect porn sites – they'll harm our ability to discuss sex

Relying on censorship to avoid talking about sex lets children down.

The British have a long history of censoring sex. In 1580, politician William Lambarde drafted the first bill to ban "licentious" and "hurtful... books, pamphlets, ditties, songs, and other works that promote the art of lascivious ungodly love". Last week, the UK government decided to have another crack at censorship, formally announcing that age verification for all online pornographic content will be mandatory from April 2018.

It is unclear at this point what this mandatory check will entail, but it's expected that you will need to submit your credit card details to a site before being allowed to access adult content (credit cards can’t be issued to under-18s).

The appointed regulator will almost certainly be the British Board of Film Classification who will have the authority to levy fines of up to £250,000 or shut down sites that do not comply. These measures are being directly linked to research conducted by the NSPCC, the Children’s Commissioner and the University of Middlesex in 2016, which surveyed more than 1,000 11 to 16-year-olds about viewing online pornography and found over half had accessed it. 

Digital minister Matt Hancock said age verification "means that while we can enjoy the freedom of the web, the UK will have the most robust internet child protection measures of any country in the world". And who can argue with that? No sane adult would think that it’s a good idea for children to watch hardcore pornography. And because we all agree kids should be watching Peppa Pig rather than The Poonies, the act has been waved through virtually unchallenged.

So, let’s put the issue of hardcore pornography to one side, because surely we are all in agreement. I’m asking you to look at the bigger picture. It’s not just children who will be censored and it’s not just Pornhub and Redtube which will be forced to age check UK viewers. This act will potentially censor any UK site that carries adult content, which is broadly defined by the BBFC as "that it was produced solely or principally for the purposes of sexual arousal".

I am a UK academic and research the history of sexuality. I curate the online research project www.thewhoresofyore.com, where academics, activists, artists and sex workers contribute articles on all aspects of sexuality in the hope of joining up conversations around sex that affect everyone. The site also archives many historical images; from the erotic brothel frescoes of Pompeii to early Victorian daguerreotypes of couples having sex. And yet, I do not consider myself to be a porn baron. These are fascinating and important historical documents that can teach us a great deal about our own attitudes to sex and beauty.

The site clearly signposts the content and asks viewers to click to confirm they are over 18, but under the Digital Economy Act this will not be enough. Although the site is not for profit and educational in purpose, some of the historical artefacts fit the definition of  "pornographic’" and are thereby liable to fall foul of the new laws.

And I’m not the only one; erotic artists, photographers, nude models, writers, sex shops, sex education sites, burlesque sites, BDSM sites, archivists of vintage erotica, and (of course) anyone in the adult industry who markets their business with a website, can all be termed pornographic and forced to buy expensive software to screen their users or risk being shut down or fined. I have contacted the BBFC to ask if my research will be criminalised and blocked, but was told "work in this area has not yet begun and so we are not in a position to advice [sic] you on your website". No one is able to tell me what software will need to be purchased if I am to collect viewers' credit card details, how I would keep them safe, or how much this would all cost. The BBFC suggested I contact my MP for further details. But, she doesn’t know either.

Before we even get into the ethical issues around adults having to enter their credit card details into a government database in order to look at legal content, we need to ask: will this work? Will blocking research projects like mine make children any safer? Well, no. The laws will have no power over social media sites such as Twitter, Snapchat and Periscope which allow users to share pornographic images. Messenger apps will still allow users to sext, as well as stream, send and receiving pornographic images and videos. Any tech savvy teenager knows that Virtual Private Network (VPN) software will circumvent UK age verification restrictions, and the less tech savvy can always steal their parents' credit card details.

The proposed censorship is unworkable and many sites containing nudity will be caught in the crossfire. If we want to keep our children "safe" from online pornography, we need to do something we British aren’t very good at doing; we need to talk openly and honestly about sex and porn. This is a conversation I hope projects like mine can help facilitate. Last year, Pornhub (the biggest porn site in the world) revealed ten years of user data. In 2016, Brits visited Pornhub over 111 million times and 20 per cent of those UK viewers are women. We are watching porn and we need to be open about this. We need to talk to each other and we need to talk to our kids. If you’re relying on government censorship to get you out of that tricky conversation, you are letting your children down.

The NSPCC report into children watching online pornography directly asked the participants about the effectiveness of age verification, and said the children "pointed out its limitations". When asked what intervention would most benefit them, this was the overwhelming response: "Whether provided in the classroom, or digitally, young people wanted to be able to find out about sex and relationships and about pornography in ways that were safe, private and credible." I suggest we listen to the very people we are trying to protect and educate, rather than eliminate. 

Dr Kate Lister researches the history of sexuality at Leeds Trinity University