Reviewed · SHOW
London: Royal Observatory Planetarium Show Entry Ticket
The most exciting part of this 30-minute planetarium show is its mix of live astronomy and huge space imagery. You can travel from the Sun to distant galaxies, watch a star form, or see the night sky as it appears on the day you visit, all inside London’s only operational planetarium.
I like the live Royal Observatory astronomer, who gives the presentation a human voice, and I like the sharp blend of spacecraft images, telescope views, CGI, and sound. The main catch is that your booking does not include entry to the Royal Observatory, and you are assigned a show based on that day’s programme.
Key points to know before you book

- The show lasts 30 minutes, making it easy to fit into a day in Greenwich.
- A Royal Observatory astronomer presents the show live, with the exact programme assigned on the day of your booking.
- Four wheelchair spaces are available per show, and the planetarium has lift access.
- The 120-seat Peter Harrison Planetarium offers a more focused setting than a large cinema.
- Several programmes may be running, including Sky Tonight, We Are Guardians, Audio Universe, and Starstruck.
- The ticket does not include the Royal Observatory, but it does include planetarium special exhibitions.
A short trip from Greenwich to the stars

The Peter Harrison Planetarium sits inside the UNESCO World Heritage Site of Maritime Greenwich. You are not just buying a film in a dome. You are visiting a working astronomy venue tied to one of London’s best-known scientific institutions, then sitting down for a guided trip through space.
I find the 30-minute length especially useful. It gives you a proper taste of astronomy without taking over your day. You can pair it with other Greenwich sights, a walk through the park, or the views from the hill above the Observatory.
The planetarium has 120 seats, so the room feels purpose-built for the presentation rather than oversized. You look up at a domed screen as images from spacecraft and telescopes combine with computer-generated scenes. The result is designed to make enormous distances easier to grasp.
Do not expect to choose any show you like at the door. Live programmes run throughout the day from Monday through Sunday, but your specific show is assigned according to the day’s schedule when you book. Check the available time carefully, then arrive early enough to be seated before the screening begins.
A few more half-days in London worth comparing
- London: Burlesque Cabaret Show in the West End
★ 4.2 · 127 reviews - London: Forbidden Nights Male Strip Show and After-Party
★ 4.4 · 82 reviews - London: Live Comedy Show at Big Belly Bar and Comedy Club
★ 4.5 · 80 reviews
What happens inside the 30-minute show

The exact content depends on the programme. That makes the experience slightly less predictable, but it also means the schedule can offer different ways into astronomy. Here is what each named format brings to the visit.
Sky Tonight
Sky Tonight is the most directly connected to your visit date. It looks at the sky as it will appear on the day you attend, along with the stars, planets, and satellites moving around Earth.
This is a good choice for anyone who wants something practical rather than purely cinematic. You can connect what you see under the dome with the real sky outside later that evening. It also helps you get your bearings among constellations and nearby objects in space.
One visitor particularly valued the chance to learn about star patterns and constellations. That makes sense, since a live explanation can clarify details that are easy to miss when you simply look upward on your own.
We Are Guardians
We Are Guardians focuses on Earth’s fleet of satellites and the role they play in protecting our planet. Rather than treating space as something distant and abstract, this programme brings the subject back to daily life on Earth.
You follow the work of satellites and see why orbiting equipment matters. I would choose this programme if you are interested in modern space technology, Earth observation, or the practical side of astronomy.
It may be less focused on classic constellation spotting than Sky Tonight. Still, it offers a useful reminder that space science is not only about distant galaxies. It also supports the way we watch and understand our own planet.
Same trip, a completely different kind of day:
- London: The London Eye Entry Ticket
★ 4.6 · 35,875 reviews - From London: Harry Potter Warner Bros Studio Tour
★ 4.7 · 26,588 reviews - London: Westminster to Greenwich River Thames Cruise
★ 4.5 · 22,836 reviews - London: Madame Tussauds London
★ 4.6 · 20,915 reviews
Audio Universe
Audio Universe takes you through the Solar System using sound as well as images. Space objects are turned into sound, giving the programme a different way to present planets and other bodies.
This format could be a good fit if you want something more sensory than a standard visual presentation. The combination of moving images and sound can make the Solar System feel less like a diagram in a schoolbook and more like a place you are actively exploring.
The programme is still housed in a 120-seat planetarium, so the experience remains compact. You get a focused presentation rather than a full-day attraction.
Starstruck
Starstruck follows the life cycle of a star, from its birth through the stages that shape its existence. It puts the scale of time into perspective and helps explain how stars change.
This is likely to appeal most to you if star formation and stellar evolution are the subjects that catch your attention. The programme promises a broad journey, from the birth of a star to the larger processes that shape the universe.
As with the other shows, the live astronomy presentation matters. A presenter can add context and answer the basic question behind the spectacle: what am I actually looking at?
The live presenter makes a difference

The show is not simply a silent projection. A Royal Observatory astronomer presents it live, adding explanations as the visuals unfold. That personal element was one of the most praised parts of the experience, and one presenter named Jess received especially warm approval for making the subject memorable.
I like this format because astronomy can become confusing when it moves too quickly. A live presenter can slow down for a key idea, explain an unfamiliar term, or point out what matters in the image on screen.
You should still keep your expectations in proportion. The session lasts only 30 minutes, so it cannot cover the entire universe in detail. It works best as a lively introduction or a compact highlight within a Greenwich day.
The presentations have also been described as informative, funny, and even magical. That combination is useful for families and mixed-age groups, since the show does not rely only on technical detail. At the same time, the content is substantial enough for adults who want to learn something new about stars, planets, or satellites.
The visual experience: spacecraft images, telescopes, and CGI

The dome presentation combines real images from spacecraft and telescopes with advanced CGI. That mixture gives the show two strengths.
Real images provide a connection to actual space missions and observations. CGI lets the presentation move through places and scales that no camera can simply photograph in one shot. You might fly toward the Sun, pass through distant galaxies, or watch a star form in a way that makes the science easier to picture.
I appreciate that the visuals are not the only selling point. The astronomy content gives them purpose. When the show takes you into the heart of the Sun, the spectacle is tied to an explanation of what you are seeing. When it visits distant galaxies, the movement helps you understand scale.
Still, if you prefer a quiet, self-guided museum visit, the planetarium may feel more directed. You sit through a fixed presentation, and late entry is not allowed once the screening begins. That rule protects the experience for everyone, but it means you need to take the start time seriously.
What the ticket includes, and what it does not

At $16.16 per person, the ticket is reasonably priced for a short, specialist attraction in London. I would judge its value by the quality of the live presentation and by how well you fit it into a wider visit to Greenwich.
The ticket includes:
- Entry to the Peter Harrison Planetarium
- One live planetarium show with a Royal Observatory astronomer
- Planetarium special exhibitions
It does not include entry to the Royal Observatory itself. This is the most important point to understand before booking. You can enjoy the planetarium show and take in the surrounding area, but you need a separate ticket if you want to tour the Observatory.
The price makes the most sense if you already plan to spend time in Greenwich. The planetarium gives you a timed centrepiece, while the park, the World Heritage setting, and the views from the hill add space around it. If you are visiting only for the 30-minute show, the cost is still manageable, but the day feels more worthwhile when you combine it with other plans.
A flexible booking option lets you reserve now and pay later. You can also cancel up to 24 hours in advance for a full refund. Those terms help if your London schedule is still changing.
Greenwich views before or after the show

The Royal Observatory sits at the top of one of London’s biggest green spaces, and the views are part of the appeal. From the hill, you can look out across London after your planetarium visit.
The outdoor view offers a useful contrast to the dome. Inside, the presenter takes you across the universe. Outside, you return to the city and see London spread below you. I would allow extra time around the show for this reason, even though the planetarium ticket itself lasts only 30 minutes.
The venue is in Maritime Greenwich, a UNESCO World Heritage Site. That setting gives the visit more weight than a stand-alone cinema screening. You are spending time in a district built around maritime, scientific, and national history, even though entry to the Royal Observatory galleries is not part of this particular ticket.
If your main aim is astronomy, head inside for the show. If you want a full Greenwich outing, use the planetarium as one part of the day rather than the entire plan.
Family appeal and age limits

The experience is aimed at children aged seven and older, and children under seven are not considered suitable. That limit is worth taking seriously because the show is presented in a dark, enclosed room and uses a fast-moving space journey.
For older children, the format can work very well. The scale of planets, stars, and galaxies is hard to explain with words alone. A child who already likes planets, star formation, or the Solar System may find the visual presentation especially memorable.
I would also recommend it for adults who want a clear introduction to astronomy without committing to a long lecture. The live presenter keeps the material accessible, while the subject matter gives the session enough substance for adults.
If your group includes younger children, you may want to choose another Greenwich activity instead. The age rule is not just a suggestion, since children under seven are not suitable for this experience.
Accessibility and seating details

The planetarium is wheelchair accessible by lift, although mobility scooters may be too large to use inside. Four wheelchair spaces are available for each show, so you should select the relevant wheelchair booking option rather than assume a standard seat will work.
The planetarium also has an induction loop for hearing aids. That is a useful feature for following the live presentation and the audio elements of the programme.
Latecomers cannot enter once the screening has started, and re-entry is not permitted. I would arrive with enough time to find the venue, use the facilities, and settle in before the lights go down.
Because the show is assigned according to the day’s programming, check the information attached to your booking. If a particular theme matters to you, do not assume you can select it unless the booking details clearly say so.
Who will enjoy this most

I would recommend this experience to you if you want:
- A short astronomy activity in central Greenwich
- A live explanation rather than a silent film
- Large-scale space visuals with real scientific images
- A family activity for children aged seven and older
- A focused introduction to stars, satellites, or the Solar System
- A timed attraction that can fit around other London plans
I would be more cautious if you want a long visit, a self-guided tour, or guaranteed entry to the Royal Observatory. This ticket is narrow in scope. It buys the planetarium show and special exhibitions, not the full Observatory experience.
The strongest appeal is the combination of live explanation and visual scale. The best moments are likely to come when a presenter turns an impressive image into something you can understand.
Final booking advice
Book this show if you are already visiting Greenwich and want a compact, well-presented astronomy experience. At $16.16, it offers fair value for a live 30-minute presentation, especially when you add the hilltop views and other Greenwich sights around it.
Before paying, confirm three things: the start time, the programme assigned for that day, and the separate admission needed for the Royal Observatory. If those details suit your plan, this is an easy way to add a little cosmic scale to a London day.
FAQ
How long does the planetarium show last?
The planetarium experience lasts 30 minutes.
Where does the show take place?
It takes place in the Peter Harrison Planetarium at the Royal Observatory Greenwich, within the UNESCO World Heritage Site of Maritime Greenwich.
Is entry to the Royal Observatory included?
No. The ticket includes entry to the Peter Harrison Planetarium and planetarium special exhibitions, but not entry to the Royal Observatory itself.
Can I choose the planetarium show?
Live shows run throughout the day from Monday through Sunday, but you are automatically assigned a show according to that day’s programming when you book.
What programmes may be shown?
The available programmes include Sky Tonight, We Are Guardians, Audio Universe, and Starstruck. The exact programme depends on the day’s schedule.
Is the planetarium wheelchair accessible?
Yes. The planetarium is accessible by lift, although some mobility scooters may be too large. Four wheelchair spaces are available for each show, and you should select the relevant booking option.
Is there support for hearing aids?
Yes. The planetarium is fitted with an induction loop for hearing aids.
Can children under seven attend?
No. The experience is not suitable for children under seven.
Can I arrive late or leave and return?
No. Late entry and re-entry are not permitted once the screening has begun.
Can I cancel my booking?
Yes. You can cancel up to 24 hours in advance for a full refund. You can also reserve your place and pay later.
Just added in London
- Royal London Guided Sightseeing Tour and Thames River Cruise★ 4.0 · 31 reviews
- Roman Ruins to Blitz Bombings: A Walking Tour of London’s Fiery History★ 5.0 · 190 reviews
- Roman London Private Walking Tour★ 5.0 · 44 reviews
- Westminster Abbey, Big Ben, Buckingham Guided Tour of London★ 5.0 · 451 reviews
- River Thames Evening Cruise with Sparkling wine and Canapés★ 4.0 · 569 reviews
- Rock and Roll Walking Tour of Soho London★ 4.5 · 64 reviews
- Speedboat Sightseeing: Embankment OR Westminster Pier -45 Minutes★ 5.0 · 288 reviews
- London Private Chauffeur Half-Day or Full-Day Vehicle Rental★ 5.0 · 37 reviews
Show, compared.

Show Tickets for Viva Decades Rewind! Music of the 80s, 90s & Now
Read our review →
(9pm) The House Magicians Comedy & Magic Show – Smoke & Mirrors
Read our review →
The House Magicians’ Comedy Magic Show at Smoke & Mirrors in Bristol (Sat 7pm)
Read our review →



