Search results for Terrestrial Planets

Astronomy Apr 6, 2022

Hubble probes extreme weather on ultra-hot Jupiters

In studying a unique class of ultra-hot exoplanets, NASA Hubble Space Telescope astronomers may be in the mood for dancing to the Calypso party song "Hot, Hot, Hot." That's because these bloated Jupiter-sized worlds are so ...

Environment Apr 1, 2022

Estimates of the carbon cycle—vital to predicting climate change—are incorrect, researchers show

Virginia Tech researchers, in collaboration with Pacific Northwest National Laboratory, have discovered that key parts of the global carbon cycle used to track movement of carbon dioxide in the environment are not correct, ...

Astronomy Mar 31, 2022

Impact of black hole winds, radiation examined in new study

Black holes are regions of space where gravity is so strong that nothing can escape. New research is examining the radiation and winds emanating from black hole activity and shows how they may exert effects on nearby planets.

Astronomy Mar 24, 2022

Next-generation telescopes could search for intelligent civilizations directly

We're still in the early days of searching for life elsewhere. The Perseverance rover is on its way to a paleo-delta on Mars to look for fossilized signs of ancient bacterial life. SETI's been watching the sky with radio ...

Astronomy Mar 21, 2022

Machine learning will be one of the best ways to identify habitable exoplanets

The field of extrasolar planet studies is undergoing a seismic shift. To date, 4,940 exoplanets have been confirmed in 3,711 planetary systems, with another 8,709 candidates awaiting confirmation. With so many planets available ...

Astronomy Mar 18, 2022

NASA spots giant debris cloud created by clashing celestial bodies

Major smashups between rocky bodies shaped our solar system. Observations of a similar crash give clues about how frequent these events are around other stars.

Earth Sciences Mar 14, 2022

Ice sheet retreat and forest expansion turned ancient subtropical drylands into oases

As human-caused greenhouse gas emissions continue to rise beyond limits for what our species has experienced, researchers are looking to a mystery in the past to answer questions about what may lay ahead.

Space Exploration Mar 10, 2022

Imagining an Earthly neighbor

We do not yet know whether the sun-like stars closest to us, the α Centauri A/B binary, harbor an Earth-like planet. However, thanks to new modeling work, we now have a good sense of what such a planet, should it exist, would ...

Astronomy Mar 7, 2022

Astronomers scan 800 pulsars to see if any of them have planets

Astronomers discovered the first exoplanets in 1992. They found a pair of them orbiting the pulsar PSR B1257+12 about 2,300 light-years from the Sun. Two years later they discovered the third planet in the system.

Astronomy Feb 22, 2022

Day of discovery: 7 Earth-size planets

Newspapers around the world printed the discovery on their front pages: Astronomers had found that a red dwarf star called TRAPPIST-1 was home to a close-knit family of seven Earth-size planets. NASA announced the system ...

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