Explore the differences between the inner and outer solar system, from rocky planets to gas giants. Uncover their unique features and ongoing exploration.
The asteroid belt is an enormous region of space between the orbits of Mars and Jupiter. It contains millions of rocky bodies ranging in size from small particles to large asteroids. For centuries, astronomers have been looking for planets there, sometimes mistaking large asteroids like Ceres, Vesta, and Pallas for planets. In the end, though, no real planet was ever discovered in this area.
Pulsars emit deadly radiation, disintegrating DNA and making them dangerous. Surprisingly, some have planets orbiting them, defying current theories.
The TESS space telescope was launched on April 18, 2018, sitting atop a Space X Falcon 9 rocket. This telescope, which is short for the Transiting Exoplanet Survey Satellite, is designed to scan the night sky in search of one thing — exoplanets, or potentially habitable planets outside of our solar system.
Observing starlight variations, scientists confirmed HD 189733 b as a blue planet, shedding light on exoplanet properties through host star analysis.
Astronomers from the European Southern Observatory have discovered the nearest extrasolar planet to date, in the Alpha Centauri star system 4.3 light years away. The system is composed of three stars -- two stars similar in size to our Sun orbiting close to each other and…
An exoplanet that orbits around two stars, known as a circumbinary planet, has recently been discovered by astronomers using the Kepler space telescope. The planet dubbed Kepler-16b has been compared to the planet Tatooine from Star Wars, due to the fact that it has two Suns in its sky.
The following infographic is a comparison of three alien star systems with our own solar system. It shows the distance at which all the known planets orbit around their stars. As of August 10, 2011, 573 extra-solar planets have been identified, but so far the three systems illustrated below are the record holders for having the most planets.
This amazing video shows how the planets of the solar system would look if viewed from Earth as if they were orbiting around our planet at the distance of the Moon. Jupiter would nearly completely fill the sky. This video is of course not implying that something like this could happen. It merely compares the sizes of the planets and our moon in a quite original way. It also makes us realize how small the Earth really is compared to the gas giants. When a duplicate Earth is shown in the sky, it’s actually how large our Earth really looks from the Moon. That’s what the Apollo astronauts witnessed during…
Explore the Ara constellation with its mythological roots, notable stars like Beta Arae, a star with planets, and fascinating deep-sky objects.
Explore the constellation Aquarius, the water-bearer. Discover its mythology, notable stars like Gliese 876, and captivating deep-sky objects like Messier 2.
Andromeda is a constellation in the northern sky. It was one of the 48 constellations listed by the 2nd century astronomer Ptolemy, and it remains one of the 88 modern constellations today. The Andromeda Galaxy is named after the constellation, as it appears within its boundaries.