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The solar wind causes events such auroras, like this one photographed by a U.S. astronaut after docking with the International Space Station. It can also interfere with satellite communications and distort the magnetic field of earth.

The galaxy TXS 2116-077 (seen on the right) collides with another spiral-shaped galaxy of similar mass, creating a relativistic jet in TXS 2116-077's centre. Both galaxies have AGNs. Shown here is an image of the emission in the H-alpha line with superposed isophotes of the infrared emission in the J band. Also shown in black lines is the region where a spectrum was obtained with ISIS on the WHT and OSIRIS on the Gran Telescopio Canarias (GTC). Figure extracted from Paliya et al., 2020, ApJ, 892, 133.

Telemetry testing begins on the X-57 Maxwell, NASA’s first all-electric X-plane, as the operations crew at NASA’s Armstrong Flight Research Center records the results. Telemetry testing is a critical phase in X-57’s functional test series. In addition to confirming the ability of the X-57 aircraft to transmit speed, altitude, direction, and location to teams on the ground, telemetry testing also confirms the ability to transmit mission-critical-data, such as voltage, power consumption, and structural integrity. X-57’s goal is to help set certification standards for emerging electric aircraft markets.

A GIF cycles between an image of V906 Carinae taken on April 7, 2018, about 18 days after the nova's discovery and near its peak brightness, and one showing its faded appearance on May 4, 2019.

Scientists Discover Brightest Supernova Ever Seen

The Snake is a serpentine-shaped, extremely filamentary cloud. In this infrared image from the Spitzer Space Telescope, the blue dots are stars relatively undimmed by dust, while the red dots are embedded, forming stars.

Simulated image of two merging black holes, viewed face-on. LIGO has announced the detection of ten of these events from its first two observing runs.

Forces Unleashed

The left image in the slider shows the average concentration in March of 2015-19, while the right image in the slider shows the average concentration measured in March of this year.

Highest-ever resolution images of the Sun from NASA.