Atmospheres that intrigue, protect, and obscure

A brand new exoplanet mission is one step nearer to actuality. The European Space Agency’s Ariel mission has moved into its implementation part. Ariel will survey about 1,000 exoplanets, measuring the chemical make-up of their atmospheres as they cross in entrance of or behind their host stars. This mission will give scientists a greater concept of the potential varieties of worlds round different stars. Pictured: An artist’s impression of an exoplanet transiting in entrance of its star. Image credit score: ESA/ATG medialab.
Europa’s plumes are difficult. Jupiter’s icy moon has a subsurface ocean and water plumes that vent into house. It’s simple to think about these plumes are all linked to the ocean, however new analysis suggests some might originate from pockets of water inside the crust, shaped by comet or asteroid impacts. Not all of Europa’s plumes could be defined this fashion, which bodes nicely for missions like Europa Clipper that goal to pattern ocean plumes, searching for indicators that these subsurface waters may assist life.
SpaceX efficiently launched four new astronauts to the International Space Station. The Crew-1 mission marks the beginning of standard astronaut flights by SpaceX to the International Space Station, following a profitable crewed take a look at flight in mid-2020. The astronauts will keep aboard for about 6 months.
That’s no moon—it’s an previous rocket booster! Scientists at NASA’s Jet Propulsion Laboratory had been puzzled over Earth’s latest moon: an object in orbit across the Earth, briefly captured by our planet’s gravity. Tracing the article’s trajectory again by means of time, they found it got here from Earth itself in 1966, when NASA launched Surveyor 2 to the Moon. The object is probably going the rocket’s higher stage.
NASA launched a brand new selfie from its Mars Curiosity rover. The rover captured the pictures wanted for the selfie at a location named Mary Anning the place scientists suspect circumstances on Mars had been as soon as favorable for all times. The web site is called after a 19th-century English paleontologist whose discovery of marine-reptile fossils was ignored for generations due to her gender and class. Learn why the mission issues.

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