Examples of ridge-and-trough terrains from the four studied icy satellites. Arrows point along representative scarps in each example. (a) Boundary between Harpagia Sulcus and Nicholson Regio, Ganymede (Planetary Data System…
Category: Space
Primordial black holes may have ‘frozen’ the early universe
Artist’s logarithmic scale conception of the observable universe with the Solar System at the center, inner and outer planets, Kuiper belt, Oort cloud, Alpha Centauri, Perseus Arm, Milky Way galaxy,…
Hubble captures ‘jellyfish galaxy’ JO204
Credit: ESA/Hubble & NASA; M. Gullieuszik and the GASP team This image taken with the NASA/ESA Hubble Space Telescope shows JO204, a ‘jellyfish galaxy’ so named for the bright tendrils…
NASA’s Lucy mission snaps its first views of Trojan asteroid targets
Credit: NASA Some of the asteroids NASA’s Lucy mission will visit are still more than 330 million miles (530 million kilometers) away from the spacecraft, which is more than three…
European spacecraft on way to Jupiter and its icy moons
In this image provided by the European Space Agency, an Ariane rocket carrying the robotic explorer Juice takes off from Europe’s Spaceport in French Guiana, Friday, April 14, 2023. European…
TESS discovers a Venus-sized exoplanet orbiting nearby star
Phase-folded photometry of LHS 475 highlighting the 3-hour window surrounding the planetary transits. Credit: Ment et al, 2023 Using NASA’s Transiting Exoplanet Survey Satellite (TESS), a team of astronomers from…
Europe’s Jupiter probe set for new launch attempt
Thursday’s launch was called off just minutes before countdown due to bad weather in Kourou. The European Space Agency’s JUICE mission to explore Jupiter’s icy, ocean-bearing moons will again try…
Webb Shows Areas of New Star Formation and Galactic Evolution
NASA’s James Webb Space Telescope spent over 20 hours observing the long-studied Hubble Ultra Deep Field for the first time on Oct. 11, 2022. The general observer program (GO 1963) analyzed…
M87 in 3D: New view of galaxy helps pin down mass of the black hole at its core
Seen from Earth, the giant elliptical galaxy M87 is just a two-dimensional blob, though one that appears perfectly symmetrical and thus a favored target of amateur astronomers. Yet, a new,…
NASA’s Curiosity Mars rover gets a major software upgrade
NASA’s Curiosity Mars rover will drive faster and reduce wear on its wheels thanks to two of the new capabilities included with a major software update that was completed on…
