Search results for Terrestrial Planets

Astronomy Dec 24, 2020

If a planet has a lot of methane in its atmosphere, life is the most likely cause

The ultra-powerful James Webb Space Telescope will launch soon. Once it's deployed and in position at the Earth-Sun Lagrange Point 2, it'll begin work. One of its jobs is to examine the atmospheres of exoplanets and look ...

Earth Sciences Dec 16, 2020

When dinosaurs disappeared, forests thrived

It's known that the primary cause of the mass extinction of dinosaurs, about 66 million years ago, was a meteorite impact. But the exact mechanisms that linked the meteorite impact to mass extinction remain unclear, though ...

General Physics Dec 9, 2020

Accessing the arches of chaos in the solar system for fast transport

Space manifolds form the boundaries of dynamic channels to provide fast transport to the innermost and outermost reaches of the solar system. Such features are an important element in spacecraft navigation and mission design, ...

Astronomy Nov 3, 2020

Mars plays shepherd to our moon's long-lost twin, scientists find

An international team of planetary scientists led by astronomers at AOP have found an asteroid trailing behind Mars with a composition very similar to the moon's. The asteroid could be an ancient piece of debris, dating back ...

Astronomy Oct 29, 2020

Where were Jupiter and Saturn born?

New work led by Carnegie's Matt Clement reveals the likely original locations of Saturn and Jupiter. These findings refine our understanding of the forces that determined our Solar System's unusual architecture, including ...

Astronomy Oct 29, 2020

An Earth-sized rogue planet discovered in the Milky Way

Our galaxy may be teeming with rogue planets, gravitationally unbound to any star. An international team of scientists, led by Polish astronomers, has announced the discovery of the smallest Earth-sized free-floating planet ...

Environment Oct 23, 2020

Seabird response to abrupt climate change 5,000 years ago transformed Falklands ecosystems: study

The Falkland Islands are a South Atlantic refuge for some of the world's most important seabird species, including five species of penguins, Great Shearwaters, and White-chinned Petrels. In recent years, their breeding grounds ...

Astronomy Oct 16, 2020

Two planets found orbiting a red dwarf

Red dwarfs are the coolest kind of star. As such, they potentially allow liquid water to exist on planets that are quite close to them. In the search for habitable worlds beyond the borders of our solar system, this is a ...

Astronomy Oct 5, 2020

Preserved dune fields offer insights into Martian history

The discovery of Martian dune fields largely preserved in the rock record for up to a billion years offers new insights on past climatic conditions on Mars.

Astronomy Oct 5, 2020

Some planets may be better for life than Earth

Earth is not necessarily the best planet in the universe. Researchers have identified two dozen planets outside our solar system that may have conditions more suitable for life than our own. Some of these orbit stars that ...

page 39 from 40