Comets C/2025 A6 Lemmon & C/2025 R2 SWAN at their closest approach to Earth – online observation – YouTube Watch On Two comets, C/2025 A4 (Lemmon) and C/2025 R2 (SWAN),
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A collection of photometric fluxes and spectra of T Cha are shown. The blue vertical lines represent the variability in optical fluxes (Alcalá et al. 1993). IR photometric fluxes are
Tiny tornadoes of dust whirl across Mars’s rusty plains far faster than scientists thought, a new study reveals. Researchers tracked 1,039 dust devils on the Red Planet captured in two
As the race to the moon is renewed, mainly between the U.S. and China, NASA’s Artemis 2 crew begin preparing for their upcoming mission. The launch, planned for early 2026,
Continuum-subtracted ALMA observations of Titan on 2022-09-06, showing the spectrally integrated line flux maps for the CH3CN J = 35 − 34 and J = 36 − 35 bands (left
The intricate mechanisms of the most sophisticated laboratory on Mars are revealed in Episode 4 of the ExoMars Rosalind Franklin series, called “Sample processing.” The Rosalind Franklin rover’s drill has
A rocky visitor from beyond our solar system is leaking water like a “fire hose running at full blast,” a new study reports. Using NASA’s Neil Gehrels Swift Observatory, scientists
Will China beat America in returning astronauts to the moon? We hear this question time and again. It is a perennial concern, both from a prestige and national security standpoint.
Lauren Edgar thought she had missed out on becoming an astronaut again. Earlier this year, friends at the Johnson Space Center gave Edgar, a planetary scientist at the U.S. Geological
Mars craterfill deposits showing varying intensities and topographies (cross sections). Crater locations are shown in Figure 2A. (A) Thin and laterally restricted fill with deposits concentrated in the southwestern region
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