Hubblecast SD

The latest news about astronomy, space, and the NASA/ESA Hubble Space Telescope.

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The latest news about astronomy, space and the NASA/ESA Hubble Space Telescope presented in High Definition is only for devices that play High Definition video (not iPhone or iPod). To watch the Hubblecast on your iPod and/or iPhone, please download the Standard Definition version also available on iTunes.
🇬🇧 English
last modified
2018-10-19 14:06
last episode published
2018-10-08 14:00
publication frequency
39.3 days
ESA/Hubble author   owner  
Number of Episodes
Detail page
Science & Medicine Natural Sciences



Date Thumb Title & Description Contributors

Hubblecast 113: Nancy Roman — The mother of Hubble

ESA/Hubble author

Hubblecast 112 Light: Mars and Saturn

Mars and Saturn are among the most popular planets. This new episode of the Hubblecast presents the images Hubble took of these planets in summer 2018.
ESA/Hubble author

Hubblecast 111: Hubble sees `Oumuamua getting a boost

Astronomers have found that ‘Oumuamua, the first interstellar object discovered in the Solar System, is moving away from the Sun faster than expected. Using data from the NASA/ESA Hubble Space Telescope, in cooperation with ground-based telescopes, a t...
ESA/Hubble author

Hubblecast 110 Light: New test of Einstein’s general relativity

An international team of astronomers using Hubble has made the most precise test of general relativity yet outside our Milky Way.
ESA/Hubble author

Hubblecast 109: Diving into the Lagoon Nebula

On 24 April 1990, Hubble was launched into space. To celebrate its 28th year in orbit, some of Hubble’s precious observation time was used to observe the colourful Lagoon Nebula. One of only two star-forming nebulae visible to the unaided eye, this spe...
ESA/Hubble author

Hubblecast 108 Light: Hubble finds most distant star

Astronomers have used Hubble to make an incredible discovery — they have observed the most distant star ever seen. The bright blue star existed only 4.4 billion years after the Big Bang. This incredible distant star allows astronomers to learn more abo...
ESA/Hubble author

Hubblecast 107: Decoding the colours of NGC 3344

Our eyes detect only visible light, but on board Hubble are a variety of instruments that together detect many different wavelengths of light. This means that Hubble is able to observe galaxies over a wide range of wavelengths to reveal features that w...
ESA/Hubble author

Hubblecast 106 Light: Flying through the Orion Nebula

This visualisation takes the viewer on a breathtaking flight through the Orion Nebula, a nearby star-forming region. The video has been produced using scientific imagery and data from the NASA/ESA Hubble Space Telescope.
ESA/Hubble author

Hubblecast 105 Light: Best of Hubble 2017

ESA/Hubble author

Hubblecast 104: Illustrating Hubble’s discoveries

Hubble is best known for its stunning images and amazing discoveries. But sometimes the discoveries do not come hand-in-hand with a breathtaking view of the Universe. Raise the curtains for the artists creating impressions of the cosmos! In this Hubbl...
ESA/Hubble author

Hubblecast 103: Hubble observes source of gravitational waves for the first time

Astronomers using the NASA/ESA Hubble Space Telescope have observed a visible counterpart to gravitational waves for the first time: a kilonova from merging neutron stars.
ESA/Hubble author

Hubblecast 102: Taking the fingerprints of exoplanets

The atmosphere of an exoplanet can reveal a wealth of information, such as the planet’s temperature, its air pressure, and whether it is suitable for life. However, studying exoplanet atmospheres is one of the most challenging tasks in modern astronomy...
ESA/Hubble author

Hubblecast 101: Our Place in Space

ESA/Hubble author

Hubblecast 99: Hubble’s biggest discoveries — part 2 (Italian)

ESA/Hubble author

Hubblecast 98: Hubble’s biggest discoveries — part 1 (Italian)

ESA/Hubble author

Hubblecast 100: Best of Hubblecast

Throughout its 27-year history, Hubble has seen enough of the Universe to fill 100 episodes of the Hubblecast — 10 hours worth! These episodes have captured the science, culture, trials, and successes of Hubble, ranging from its spectacular images to i...
ESA/Hubble author

Hubblecast 99: Hubble’s biggest discoveries — part 2

To many, Hubble is best known for its stunning images of celestial objects, but among astronomers it is admired for the valuable data it delivers. Hubble has helped revolutionise astronomy, including shedding light on dark matter and dark energy, lifti...
ESA/Hubble author

Hubblecast 98: Hubble’s biggest discoveries — part 1

Since its launch in 1990, Hubble has revolutionised our knowledge of astronomy. From imaging the most stunning phenomena in the cosmos, to the study of the invisible parts of the Universe, to observing the most distant objects ever seen. Hubble’s sharp...
ESA/Hubble author

Hubblecast 97: Hubble, exoplanets and the hunt for life

Since astronomers discovered that the stars in the sky are other suns, humanity has wondered if they are also orbited by planets and if those planets host alien life. Since the discovery of the first exoplanet only 25 years ago Hubble is among the many...
ESA/Hubble author

Hubblecast 96: How many galaxies are there?

Since Edwin Hubble discovered that the Milky Way is not the only galaxy in the Universe astronomers try to find out how many of them are there. This new Hubblecast focusses on the question “How many galaxies are there?” including the new numbers achiev...
ESA/Hubble author

Hubblecast 95: The impact of astronomy on our technological world

The astronomical images taken by Hubble are amongst the best known in the world. Behind these iconic observations stands a sophisticated instrument, based upon world-changing technology. Many of the technologies used and developed for Hubble and other ...
ESA/Hubble author

Hubblecast 94: The future of Hubble, part II

In April 2016 the NASA/ESA Hubble Space Telescope celebrated its 26th year in orbit. More than a quarter of a century of intriguing observations and remarkable discoveries. But what is there left for Hubble, and the forthcoming James Webb Space Telesco...
ESA/Hubble author

Hubblecast 93: Telescope Teamwork

The NASA/ESA Hubble Space Telescope is one of the most sophisticated telescopes in the world. But even Hubble cannot uncover all secrets of the Universe on its own. This new Hubblecast focusses on discoveries astronomers made using Hubble and other tel...
ESA/Hubble author

Hubblecast 92: 26th anniversary

On 24 April 1990, the NASA/ESA Hubble Space Telescope was sent into orbit aboard the space shuttle Discovery. Now it is celebrating its 26th anniversary. As in the last years Hubble spent a modest portion of its observing time to observe a special chos...
ESA/Hubble author

Hubblecast 91: The future of Hubble, part 1

In April 2016 the NASA/ESA Hubble Space Telescope celebrates its 26th year in orbit. During this time the telescope has made many remarkable discoveries. But what comes next? In this first episode about the future of Hubble scientists and staff share w...
ESA/Hubble author

Hubblecast 90: The final frontier

Since October 2013 the NASA/ESA Hubble Space Telescope has been observing some of the most massive structures in the Universe -- galaxy clusters. Using the magnification effect caused by their mass, Hubble can look deeper into the Universe than ever b...
ESA/Hubble author

Hubblecast 89: Edwin Hubble

When you hear the name"Hubble", you probably think of the NASA/ESA Hubble Space Telescope. But, decades before the Hubble Space Telescope, Dr Edwin Powell Hubble revolutionised the field of astronomy. In the newest Hubblecast, we take a look at the lif...
ESA/Hubble author

Hubblecast 88: Mysterious Ripples Found Racing Through Planet-forming Disc

Using images from the NASA/ESA Hubble Space Telescope and ESO’s Very Large Telescope, astronomers have discovered unique and totally unexpected structures within the dusty disc around the star AU Microscopii.
ESA/Hubble author

Hubblecast 87: The many mysteries of Pluto

Before NASA's New Horizons probe flew past Pluto in July 2015, almost all of the information scientists had about this mysterious dwarf planet came from observations made by Hubble. In the newest episode of the Hubblecast, we present Hubble's discoveri...
ESA/Hubble author

Hubblecast 86: The wings of the Twin Jet Nebula

This Hubblecast explores the wings of Twin Jet Nebula which were observed and studied by the NASA/ESA Hubble Space Telescope.
ESA/Hubble author

Hubblecast 85: Ode to Hubble

To celebrate Hubble's 25th birthday ESA/Hubble asked the public to produce and submit short videos illustrating how Hubble has inspired them. This new Hubblecast episode presents the two winning videos. The episode also introduces us to the creators of...
ESA/Hubble author

Hubblecast 84: A starry snapshot for Hubble’s 25th

This Hubblecast explores the new image of star cluster Westerlund 2, taken by the NASA/ESA Hubble Space telescope and released to celebrate its 25th year in orbit.
ESA/Hubble author

Hubblecast 83: A cosmic double act — Hubble meets James Webb

As Hubble enters its 25th year in orbit, with celebrations planned around the world for its anniversary on 24 April 2015, this Hubblecast celebrates the relationship that the telescope will have with its future colleague, the James Webb Space Telescope...
ESA/Hubble author

Hubblecast 82: New view of the Pillars of Creation

The NASA/ESA Hubble Space Telescope has revisited one of its most iconic and popular images: the Eagle Nebula’s Pillars of Creation. This time Hubble has not just one image for us, but two: as well as the new visible-light image the telescope used inf...
ESA/Hubble author

Hubblecast 81: Ode to Hubble

Hubble has achieved an extraordinary amount in its lifetime and 2015 will mark 25 years since its launch. The year 2015 will be filled with Hubble-related activities for you to enjoy and, most importantly, get involved with. In this Hubblecast we look...
ESA/Hubble author

Hubblecast 80: The riddle of the missing stars

New observations of four globular clusters in the Fornax dwarf galaxy have called into question one of the leading theories about how these clusters form. In this episode we explain the mystery behind these objects and how it is deepened by these new f...
ESA/Hubble author

Hubblecast 79: Q&A with Dr J part 2

In the summer of 2014 we asked the public to send us their Hubble- and astronomy-related questions, and the response was incredible! In this episode Dr J answers a selection of the questions about science related to Hubble. These range from question...
ESA/Hubble author

Hubblecast 78: Q&A with Dr J part 1

Last month we asked the public to send us their Hubble- and astronomy-related questions, and the response was incredible! In this episode Dr J answers a selection of the questions that were specifically about Hubble itself. These range from where Hubb...
ESA/Hubble author

Hubblecast 77: Hubble and the Bermuda Triangle of space

This Hubblecast tells the story of what happens to Hubble in the mysterious region known as the South Atlantic Anomaly. When satellites pass through this area they are bombarded with swarms of intensely high energy particles. This can produce"glitches...
ESA/Hubble author

Hubblecast 76: Merging galaxies and droplets of starbirth

This Hubblecast explores the ‘beads on a string’ star formation found between two merging elliptical galaxies in the cluster known as SDSS J1531+3414.
ESA/Hubble author

Hubblecast 75: Dwarf Galaxies that Pack a Punch

This new Hubblecast episode looks at starburst dwarf galaxies in a time when most of the stars in the Universe were formed. New NASA/ESA Hubble Space Telescope observations show that dwarf galaxies played a bigger role than expected in the early histo...
ESA/Hubble author