Search results for Terrestrial Planets

Astronomy Oct 2, 2020

Rogue Earth-mass planet discovered freely floating in the Milky Way without a star

If a solar system is a family, then some planets leave home early whether they want to or not. Once they've left the gravitational embrace of their family, they're pretty much destined to drift through interstellar space ...

Astronomy Sep 29, 2020

Planet collision simulations give clues to atmospheric loss from moon's origin

Earth could have lost anywhere between ten and 60 percent of its atmosphere in the collision that is thought to have formed the Moon.

Astronomy Sep 21, 2020

Astronomers discover an Earth-sized 'pi planet' with a 3.14-day orbit

In a delightful alignment of astronomy and mathematics, scientists at MIT and elsewhere have discovered a "pi Earth"—an Earth-sized planet that zips around its star every 3.14 days, in an orbit reminiscent of the universal ...

Ecology Sep 10, 2020

Bending the curve of biodiversity loss

Plant and animal species around the world are steadily disappearing due to human activity. A major new IIASA-led study suggests that without ambitious, integrated action combining conservation and restoration efforts with ...

Astronomy Aug 24, 2020

Did Jupiter push Venus into a runaway greenhouse?

Venus has been garnering a lot of attention lately, though primarily in the scientific community, as the last Hollywood movie about the planet was released in the 1960s. This is in part due to its dramatic difference from ...

Astronomy Aug 6, 2020

Hubble uses Earth as proxy for identifying oxygen on potentially habitable exoplanets

Taking advantage of a total lunar eclipse, astronomers using NASA's Hubble Space Telescope have detected Earth's own brand of sunscreen—ozone—in our atmosphere. This method simulates how astronomers and astrobiology researchers ...

Space Exploration Aug 5, 2020

Rice researchers use InSight for deep Mars measurements

Using data from NASA's InSight Lander on Mars, Rice University seismologists have made the first direct measurements of three subsurface boundaries from the crust to the core of the red planet.

Astronomy Aug 5, 2020

Ammonia-rich hail sheds new light on Jupiter's weather

New Juno results suggest that the violent thunderstorms taking place in Jupiter's atmosphere may form ammonia-rich hail, or 'mushballs,' that play a key role in the planet's atmospheric dynamics. This theory, developed using ...

Astronomy Jul 1, 2020

First exposed planetary core discovered allows glimpse inside other worlds

The surviving core of a gas giant has been discovered orbiting a distant star by University of Warwick astronomers, offering an unprecedented glimpse into the interior of a planet.

Earth Sciences Jun 30, 2020

Climate change is altering terrestrial water availability

The amount and location of available terrestrial water is changing worldwide. An international research team led by ETH Zurich has now proved for the first time that human-induced climate change is responsible for the changes ...

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