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Environment Oct 21, 2022

Climate Questions: How does carbon dioxide trap heat?

That carbon dioxide and other greenhouse gases trap heat is something scientists have known about for more than a 150 years. The underlying concept behind climate change is simple enough that school children can replicate ...

Planetary Sciences Oct 20, 2022

A new instrument will measure temperature, pressure and wind on Venus

The VASI (Venus Atmospheric Structure Investigation) instrument aboard NASA's Deep Atmosphere Venus Investigation of Noble gases, Chemistry, and Imaging, or DAVINCI, mission to Venus, together with the other instruments on ...

Astronomy Oct 17, 2022

A proposal for monitoring potentially hazardous near-Earth asteroids

An enormous number of near-Earth asteroids (NEAs) orbit around the sun, and among them, 2,072 NEAs are recorded in the Minor Planet Center (MPC) database as potential hazardous near-Earth asteroids (PHAs). These PHAs frequently ...

Space Exploration Oct 11, 2022

JPL's Venus aerial robotic balloon prototype aces test flights

A scaled-down version of the aerobot that could one day take to the Venusian skies successfully completed two Nevada test flights, marking a milestone for the project.

Space Exploration Sep 30, 2022

Venus: The trouble with sending people there

Venus, often called Earth's "evil twin" planet, formed closer to the sun and has since evolved quite differently from our own planet. It has a "runaway" greenhouse effect (meaning heat is completely trapped), a thick carbon-dioxide-rich ...

Plants & Animals Sep 21, 2022

Examining molecular components that are responsible for generating the action potential in the Venus flytrap

To hunt flies and other small animals, the Venus flytrap has to be faster than its prey. To do so, it has developed a catching organ that can snap shut in a fraction of a second and is controlled by the fastest signaling ...

Planetary Sciences Sep 12, 2022

What is the smallest planet? (It's not Pluto.) Taking a closer look at planet sizes.

As elementary schoolers, we learned the order of the planets. Maybe your teacher even had a snappy mnemonic like "My Very Educated Mother Just Served Us Nine Pizzas" or "My Very Educated Mother Just Served Us Nachos" after ...

Astronomy Sep 12, 2022

Solar Orbiter solves magnetic switchback mystery

With data from its closest pass of the sun yet, the ESA/NASA Solar Orbiter spacecraft has found compelling clues as to the origin of magnetic switchbacks, and points towards how their physical formation mechanism might help ...

Space Exploration Sep 6, 2022

Coronal mass ejection hits Solar Orbiter before Venus flyby

In the early hours of Sunday, September 4, Solar Orbiter flew by Venus for a gravity-assist maneuver that alters the spacecraft's orbit, getting it even closer to the sun. As if trying to get the orbiter's attention as it ...

Astrobiology Sep 5, 2022

What would it take to find life on Venus?

Life on Venus, or the possibility thereof, has been a hot topic as of late. There's also been plenty of controversies, including the (still disputed) discovery of phosphine, a potential biomarker in the atmosphere. The best ...

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