Tag: Mars

  • Mars and Jupiter Conjunction to Light Up the Morning Sky on Wednesday; Don’t Miss It

    This combination image, created from two photos provided by NASA, shows Jupiter pictured on April 3, 2017 and Mars pictured on August 26, 2003. Image credit: NASA via AP

    Mars and Jupiter Conjunction to Light Up the Morning Sky on Wednesday; Don’t Miss It

    Stargazers across India and the Northern Hemisphere are in for a rare treat on Wednesday, August 14. The planets Mars and Jupiter will appear incredibly close together in the eastern sky before sunrise, an event known as a planetary conjunction. This celestial pairing will be a spectacular sight for early risers and won’t happen again until 2033.

    The two planets have been visible in the eastern sky all month, but they will be at their closest point on Wednesday morning. According to NASA, they will appear only about one-third of a degree apart, which is less than the width of a full moon. Jupiter, the larger of the two, will shine brightly, while Mars will appear as a reddish dot nearby.

    To see this stunning alignment, set your alarm and head outside a few hours before sunrise on Wednesday. The planets will be visible to the naked eye, rising above the eastern horizon around 1:30 a.m. IST, positioned in front of the constellation Taurus the Bull.

    While you can enjoy the view without any equipment, a pair of binoculars or a telescope will give you an even better look. With a little magnification, you might even be able to spot some of Jupiter’s largest moons, adding to the spectacle.

    Experts at EarthSky.org recommend finding a location with a clear view of the eastern horizon and minimal light pollution for the best viewing experience. Make sure to check the weather forecast for your area, as clear skies are essential.

    This event is part of a series of astronomical events this month, including the Perseid meteor shower, which peaked on August 12-13.

  • NASA’s Perseverance Rover Finds Mars Rock “Cheyava Falls” That May Hold Clues to Ancient Microbial Life

    Image of the fascinating arrowhead-shaped rock found by NASA's Perseverance rover. Image credit: NASA/JPL-Caltech/MSSS

    NASA’s Perseverance Rover Finds Mars Rock “Cheyava Falls” That May Hold Clues to Ancient Microbial Life

    NASA’s Perseverance rover has discovered a rock on Mars that may hold fossil evidence of ancient microbial life. The arrowhead-shaped, vein-filled rock, nicknamed “Cheyava Falls,” was found in the northern part of Neretva Vallis, an ancient river valley on Mars, on July 21, 2024. Scientists believe this rock could contain some of the earliest signs of microbial life that existed billions of years ago when the area possibly had flowing water.

    Instruments aboard Perseverance analyzed the rock’s chemical makeup and structure, finding qualities that match those expected from ancient microbial fossils. The rock contains large veins of calcium sulfate and reddish-brown bands, indicating the presence of hematite (a mineral linked to Mars’ rusty surface).

    Closer inspection revealed dozens of irregularly shaped, off-white spots surrounded by black rings, resembling patterns sometimes seen in fossilized microbial life on Earth. Perseverance’s PIXL (Planetary Instrument for X-ray Lithochemistry) found that the black halos contain iron and phosphate, elements often connected to microbial fossils.

    Ken Farley, Perseverance project scientist at Caltech, described Cheyava Falls as “the most puzzling, complex, and potentially important rock yet investigated by Perseverance.” David Flannery, an astrobiologist on the mission team, noted that these features are commonly linked to ancient microbial life found beneath Earth’s surface.

    This discovery could represent a major step toward finding evidence of life beyond Earth. However, confirming this will require more detailed study of samples returned to Earth in future missions. Until then, Cheyava Falls remains one of the most promising clues in the search for past life on Mars.