Related topics: nasa · satellite · earth · solar system · spacecraft

An exoplanet with an 11-hour orbit

The Transiting Exoplanet Survey Satellite (TESS) was launched on April 18 of last year with the primary objective of discovering transiting planets smaller than Neptune around stars bright enough for spectroscopic investigations ...

Israel flying to moon after SpaceX launch

An Israeli spacecraft rocketed toward the moon for the country's first attempted lunar landing, following a launch Thursday night by SpaceX.

SNoOPI: A flying ace for soil moisture and snow measurements

Work has begun on a new CubeSat mission that will demonstrate for the first time a new, highly promising technique for measuring soil moisture from space—data important for early flood and drought warnings as well as crop-yield ...

Earth's atmosphere stretches out to the moon – and beyond

The gaseous layer that wraps around Earth reaches up to 630,000 kilometers away, or 50 times the diameter of our planet, according to a new study based on observations by the ESA/NASA Solar and Heliospheric Observatory, SOHO, ...

Video: Big questions about small worlds

Scientists who study the solar system tend to ask big questions: How was our solar system formed? Where did the building blocks of life come from? What hazards from above threaten life on our planet? To find answers, they're ...

Image: Visualization of orbital space debris

This Valentine's Day, look to the skies at night and you'll see stars twinkling, a glistening Moon and perhaps even an orbiting science lab passing by, the International Space Station.

Chang'e 4 Rover comes into view

On Jan. 30 2019, Lunar Reconnaissance Orbiter Camera (LROC) acquired a spectacular limb shot centered on the Chang'e 4 landing site, looking across the floor of Von Kármán crater. At the time, the Lunar Reconnaissance Orbiter ...

Asteroid from 'rare species' sighted in the cosmic wild

Astronomers have discovered an asteroid looping through the inner solar system on an exotic orbit. The unusual object is among the first asteroids ever found whose orbit is confined almost entirely within the orbit of Venus. ...

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