Related topics: solar system · planets · orbit · jupiter · saturn

The origin of Uranus and Neptune elucidated?

A team of French-American researchers led by the UTINAM Institute (CNRS/Université de Franche-Comté) has just proposed a solution to the problematic chemical composition of Uranus and Neptune, thus providing clues for understanding ...

Cold classical Kuiper Belt objects

The Kuiper Belt is a disk of small icy bodies, thought to be remnants of the early Solar System, that circles the Sun from the orbit of Neptune (about 30 astronomical units, AU, from the Sun) to about 50 AU. KBOs orbit at ...

Cometary Impact on Neptune Two Centuries Ago

(PhysOrg.com) -- (PhysOrg.com) -- A comet may have hit the planet Neptune about two centuries ago. This is indicated by the distribution of carbon monoxide in the atmosphere of the gas giant that researchers - among them ...

Evaluating the energy balance of Saturn's moon Titan

To understand the weather and climate on Earth as well as on other planets and their moons, scientists need to know the global energy balance, the balance between energy coming in from solar radiation and thermal energy radiated ...

The effect of starlight on the atmospheres of mini-Neptunes

Exoplanet surveys have discovered the first planets with sizes between 2 and 3.5 Earth radii—slightly smaller than the size of the planet Neptune in our solar system. These planets, dubbed "mini-Neptunes," have been spotted ...

Astronomers identify signature of Earth-eating stars

(Phys.org) —Some Sun-like stars are 'Earth-eaters.' During their development they ingest large amounts of the rocky material from which 'terrestrial' planets like Earth, Mars and Venus are made.

Hunt for distant planets intensifie (w/ Video)

(Phys.org)—When astronomers discovered planet GJ 1214b circling a star more than 47 light-years from Earth in 2009, their data presented two possibilities: Either it was a mini-Neptune shrouded in a thick atmosphere of ...

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