Mars passed behind the sun from Earth yesterday, November 18, 2023. Between now and early December, data exchange between Earth and Mars spacecraft is limited.
In 2018, the International Astronomical Union voted to rename Hubble's law as the Hubble–Lemaître law to share credit between Edwin Hubble and Georges Lemaître.
Visible planets: Venus dominates the morning sky. Bright Jupiter is visible all night, Saturn sets around midnight. Mercury is visible low in evening twilight.
After Starship launched on November 18, 2023, the spaceship self-destructed. Witnesses around Puerto Rico saw what they believe to be its fiery reentry.
2023's Leonid meteor shower will peak on the morning of November 18, 2023. Watch for meteors after midnight until dawn. Also watch before dawn on November 17.
