Search results for Planet Mercury

Astronomy May 22, 2020

ALMA spots twinkling heart of Milky Way

Astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA) found quasi-periodic flickers in millimeter-waves from the center of the Milky Way, Sagittarius (Sgr) A*. The team interpreted these blinks to be due ...

Astronomy May 15, 2020

K2-25: An eccentric hot Neptune with the mass of seven Earths

Of the roughly 4,300 exoplanets confirmed to date, about ten percent of them are classified as "hot Jupiters." These are planets with masses between about 0.4 and 12 Jupiter-masses and orbital periods less than about 110 ...

Space Exploration May 11, 2020

Listen to the sounds of BepiColombo's Earth flyby

Listen to the sound of BepiColombo's Earth flyby as captured in five recordings taken by two instruments aboard the Mercury Planetary Orbiter, one of the two orbiters comprising the joint European/Japanese Mercury exploration ...

Astronomy May 08, 2020

When baby planets melt: Searching for the histories of planetesimals

Let's start at the beginning. Before humans, before Earth, before any of the planets existed, there were baby planets—planetesimals. Coalesced from dust exploded outward by the solar nebula, these blobs of material were ...

Astronomy May 07, 2020

Carbon emissions on the moon put theory of moon birth in doubt

A team of researchers affiliated with multiple institutions in Japan has found evidence of embedded carbon emissions on the moon. In their paper published in the journal Science Advances, the group describes their study of ...

Space Exploration May 02, 2020

NASA, SpaceX target historic spaceflight despite pandemic

NASA and SpaceX said Friday they were pressing ahead with plans to launch astronauts to space from US soil for the first time in nearly a decade later on this month, despite the coronavirus pandemic.

Astronomy May 01, 2020

Researchers establish new timeline for ancient magnetic field on Mars

Mars had a global magnetic field much earlier—and much later—in the planet's history than scientists have previously known.

Space Exploration May 01, 2020

Earth flyby opens new science opportunities for BepiColombo

Science instruments aboard the European-Japanese Mercury explorer BepiColombo are in excellent condition to gather high-quality data during the spacecraft's long cruise to the innermost planet of the Solar System despite ...

Astronomy Apr 21, 2020

'Lucky' MESSENGER data upends long-held idea about Venus' atmosphere

Philosopher Nicholas Rescher once wrote, "Scientific discoveries are often made not on the basis of some well-contrived plan of investigation, but through some stroke of sheer luck."

Space Exploration Apr 17, 2020

Video: Views of Earth from BepiColombo's flyby

A compilation of about 200 images collected by the joint European-Japanese mission BepiColombo during its first—and only—flyby of Earth on 10 April 2020, a manoeuvre needed to adjust its trajectory en route to its destination, ...

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