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  • Thousands of Worlds Don’t Fit the Definition of a ‘Planet’

    Thousands of Worlds Don’t Fit the Definition of a ‘Planet’

    In the world of astronomy, the definition of “planet” is always evolving with new discoveries. Right now, the term “planet” is defined by the International Astronomical Union (IAU), but this definition is being questioned. The IAU says a planet is a celestial body that orbits the sun is round due to its own gravity and has cleared its orbit of other objects. This definition only applies to our solar system, causing debates among scientists.

    planet

    Expanding the Definition of Planets

    The universe is vast with many celestial bodies orbiting stars outside our solar system. This makes us wonder: shouldn’t the definition of a planet include these distant worlds too? An upcoming article in a major scientific journal argues for a new definition. The authors propose a broader definition that includes planets outside our solar system, using clear, measurable criteria.

    Mass and Gravitational Influence

    An object is said to be dynamically dominant if it has enough gravity to clear its orbit of smaller objects. All planets in our solar system have this trait, but dwarf planets like Pluto and some asteroids do not. This makes dynamical dominance an important part of the new definition.

    Mass also sets an upper limit, as objects that are too massive start thermonuclear fusion and become brown dwarfs. The requirement for a planet to be round is harder to measure for distant planets, so the new definition focuses on mass instead.

    Planets and Dwarf Planets

    The researchers hope their work will start a discussion about improving the definition of a planet. Under the new proposal, the difference between planets and dwarf planets is clearer. Dwarf planets, like Pluto, which do not have dynamical dominance, are in a separate category. This ensures that only bodies meeting the mass and dynamical dominance criteria are considered planets.

    Understanding exoplanets, or planets outside our solar system, is also important. The new definition focuses on mass and gravitational influence, providing a strong framework for classifying these distant worlds. The new proposal aims to redefine what we consider a planet, making it easier and more accurate to classify celestial bodies in our ever-expanding universe.

  • Don’t Panic: Easy Steps to Resurrect a Non-Responsive Phone

    Don’t Panic: Easy Steps to Resurrect a Non-Responsive Phone

    In a world where smartphones are essential, discovering that your phone won’t turn on can be distressing. Before rushing to buy a new device, consider trying these steps to revive your iPhone or Android.

    smartphones

    Physical Check: Assessing Visible Damage

    If your phone recently took a tumble and refuses to turn on, inspect it for noticeable damage:

    – Check for a cracked or damaged screen. Even without visible cracks, a fall might have caused internal issues affecting the screen.

    – Look for a swollen battery, indicating potential hazards. Seek professional help if you find one or visit an e-waste facility.

    – Examine the phone for water damage. Inspect the SIM card slot for any signs, common on iPhones and many Androids.

    If physical damage is evident, either seek professional repair or consider fixing it yourself.

    Attempt to Turn On: A Simple Power-Up

    Hold down the power button and observe if the phone vibrates or try using voice assistants like Siri, Google Assistant, or Bixby. Vibrations or sounds with a blank screen may suggest internal components are functional, and only the screen needs replacement.

    Battery Check: Charging Your Device

    If no obvious issues are found, the phone may be out of battery. Charge it and wait for 15 to 30 minutes before attempting to turn it on. A working phone will show charging indications even with a dead battery.

    Charging Issues: Assessing Power Sources

    If charging yields no results, consider problems with the charger. Try another cable, power bank, wall outlet, or power strip to eliminate charging-related issues.

    Universal Reset: Rebooting Most Android Phones

    Follow these reset methods common to various Android phones:

    – Samsung Galaxy: Hold down Power and Volume Down for over seven seconds.
    – Google Pixel: Hold down the Power button for 30 seconds until the Google logo appears.
    – Motorola Moto: Hold down the Power key for 10-20 seconds.
    – OnePlus: Hold down Power and Volume Up for 10 seconds.

    For phones with removable batteries, try removing and reinserting the battery after a few seconds.

    Recovery Mode: Android Troubleshooting

    For Android phones, enter Recovery Mode based on the manufacturer:

    – Samsung: Connect to a computer, hold Power or Bixby and Volume Up until a vibration occurs. Navigate to Wipe Data/Factory Reset using Volume buttons and select with the power button.

    For other Androids, search for specific instructions. Once reset, restore your backup to resume using the phone. These simple steps can often troubleshoot and revive your seemingly lifeless phone, saving you from unnecessary expenses.