Welcome to BBC Earth Lab! Always wanted to know what the world’s strongest material is? Why trains can’t go uphill? Or How big our solar system really is? Well, you’ve come to the right place.
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Welcome to BBC Earth Lab! Always wanted to know what the world’s strongest material is? Why trains can’t go uphill? Or How big our solar system really is? Well, you’ve come to the right place.
2023 • Astronomy
Today Phil explains that YES, there are other planets out there and astonomers have a lot of methods for detecting them. Nearly 2000 have been found so far. The most successful method is using transits, where a planet physically passes in front of its parent star, producing a measurable dip in the star’s light. Another is to measuring the Doppler shift in a star’s light due to reflexive motion as the planet orbits. Exoplanets appear to orbit nearly every kind of star, and we’ve even found planets that are the same size as Earth. We think there may be many billions of Earth-like planets in our galaxy.
27 • Crash Course Astronomy • 2015 • Astronomy
The inner planets, Mercury and Venus, orbit closest to the Sun, making them literally an Inferno of heat. NASA and other space agencies have attempted to learn more about these rocky planets. Follow the plucky probes that attempted to decipher the secrets of the Solar System's inner circles of hell.
S1E4 • Space Probes • 2016 • Astronomy
Is there a border we will never cross? Are there places we will never be able to reach, no matter what? It turns out there are. Far, far more than you might have thought…
In a Nutshell • 2016 • Astronomy
The birth of our Solar System was both violent and chaotic. As planets formed around our Sun, gravity and luck determined their fate: some are tossed into the Sun, others thrown into interstellar space, never to return. It is survival of the fittest, on an interplanetary scale.
2017 • Astronomy
Astronaut Mike Massimino reveals the mysterious secrets of Saturn and its rings; using the latest science from the Cassini mission, he explores the planet's giant icy geysers, powerful hurricanes, and moon that may be hiding extraterrestrial life.
S1E4 • The Planets (US) • 2017 • Astronomy
Astronaut Mike Massimino explores the dwarf planet Pluto, a tiny frozen world surrounded in secrets; using the latest science, he investigates the possibility of life in its mysterious ocean.
S1E6 • The Planets (US) • 2017 • Astronomy