What's the best mix of oceans to land for a habitable planet?
Earth is about 29% land and 71% oceans. How significant is that mix for habitability? What does it tell us about exoplanet habitability?
Earth is about 29% land and 71% oceans. How significant is that mix for habitability? What does it tell us about exoplanet habitability?
Astrobiology
Nov 25, 2022
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65
When we think about finding life beyond Earth, especially on exoplanets, we immediately want to search for the next Earth, or Earth 2.0. We want an exoplanet that orbits a star firmly in its habitable zone (HZ) with vast ...
Astrobiology
Nov 8, 2022
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20
In a recent study accepted to The Astrophysical Journal Letters, a team of researchers at the University of Nevada, Las Vegas (UNLV) investigated the potential for life on exoplanets orbiting M-dwarf stars, also known as ...
Astrobiology
Oct 31, 2022
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14
Recent exoplanet exploration has focused on the discovery of temperate rocky planets like the Earth, which are often called habitable planets. Most of the recent missions are targeting stars cooler than the sun. Such stars ...
Planetary Sciences
Sep 30, 2022
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726
Of all known planets, Earth is as friendly to life as any planet could possibly be—or is it? If Jupiter's orbit changes, a new study shows Earth could be more hospitable than it is today.
Astronomy
Sep 9, 2022
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463
Water is the one thing all life on Earth needs, and the cycle of rain to river to ocean to rain is an essential part of what keeps our planet's climate stable and hospitable. When scientists talk about where to search for ...
Astronomy
Sep 8, 2022
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260
An international research team including astronomers at the University of Birmingham, has just announced the discovery of two "super-Earth" planets orbiting LP 890-9, a small, cool star located about 100 light-years from ...
Astronomy
Sep 7, 2022
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235
Imagine you go to a theme park with your family and you ask a park employee to take a group photo. A celebrity walks by in the background and waves at the camera, stealing the focus of the photo. Surprisingly, this concept ...
Astronomy
Aug 17, 2022
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93
The first exoplanet has been discovered by Subaru Strategic Program using the infrared spectrograph IRD on the Subaru Telescope (IRD-SSP). This planet, Ross 508b, is a super-Earth with about four times the mass of the Earth ...
Astronomy
Aug 1, 2022
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559
The ingredients for life are spread throughout the universe. While Earth is the only known place in the universe with life, detecting life beyond Earth is a major goal of modern astronomy and planetary science.
Astrobiology
Jul 15, 2022
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25