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arunavaguha · 3 years

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Samsung Galaxy M51- Pros & Cons

Samsung Galaxy M51 Samsung launched another new phone under its Galaxy M series in the form of Galaxy M51. Over the years galaxy M series has not only grown bigger by size but also by price. Most smartphone manufacturers are currently running for specs, but I guess Samsung is running on some other race with its Galaxy M series phone. They are integrating bigger batteries with every new launch. But does it mean these phones are only good at the battery? Is Samsung Galaxy M51 worth buying? or do they have some decent specs? Let us find out with our review of the Samsung Galaxy M51. Samsung Galaxy M51 Unboxing By Greekyranjit https://www.youtube.com/watch?v=7CmXfc4lKS0&feature=emb_logo Samsung Galaxy M51 price in India Rs ₹25000(Price may change) Best Samsung Mobiles Under 20000 to 30000 in India Samsung M51 Pros & Cons In this section, I am going to discuss the Samsung M51 Pros & Cons. Reasons To Buy Samsung Galaxy M51 - Super AMOLED Plus Display - 64MP Primary Rear Camera and 32MP Front Camera - Massive 7000mAh Battery - Connectivity features that includes include triple (4G Nano Sim + 4G Nano Sim + microSD) card slot, and GPS, Bluetooth 5, Wi-Fi 802.11 ac (2.4GHz + 5GHz), and lastly USB Type-C - 3.5 mm audio jack - Glasstic Design - OneUI Bloatware Specs At A Glance Specification Of Samsung Galaxy M51Samsung Galaxy M51- 6GB/8GB | 128 GB(Expandable up to 512 GB) - 6.7-inch FHD+ sAMOLED display - Qualcomm Snapdragon 730G - 7000 mah battery - Front Camera: 32 MP - 64MP + 12MP ultra-wide camera + 5MP depth camera + 5MP macro camera | 32 MP Front Camera - ₹19,999.00/₹21,999.00Buy Now On Amazon 1. Battery 2. Cameras 3. Performance Battery Of Samsung Galaxy M51 This device has a massive 7000 mah battery size. I use this as my primary phone for more than two months now, and I think the battery works pretty well for me. But to get the most out of its battery you need to charge it with Samsung's chargers only.I know it may sound strange to many of you. But it's the reality. How long does the Samsung m51 battery last? I do not like to play that many games or watching videos on mobile. So for me, it lasts for 2-3 days. I don’t think it lasts more than one day if you are a serious gamer. Still, it’s a good performance for me. So I give it 10 out of 10 for its batteriesSamsung gives you a 25W charger and it takes almost 2 hours to fully charge the phone. In my opinion, it should be improved as 2 hours is a long time. Most of the time I plugged it at night and removes the charger in the morning, it works for me. I know it may harm the battery in I long term, So don’t do it with your phone. Cameras Of Samsung Galaxy M51 This new Galaxy M51 comes with a quad-camera setup at the backside. The setup consists of a 64 MP camera as the primary camera, 12 MP ultrawide camera, and 5 MP macro, and another 5 MP depth camera. Samsung gives a 32 MP front camera for your selfie, I found the camera configuration similar to the Samsung Galaxy M31s. Both the cameras work well as expected in this price range. In broad daylight, it takes awesome pictures. Also, it won’t disappoint you in the night photos. Photos are taken in daylight are pretty good and the detailing of the photos is also looking good. I found that the wide angles cameras are very useful but also I found some problem with it. The photos taken with the wide-angle camera are distorted at the corner.So overall the cameras are good and give 8 out of 10 to its cameras. Camera Samples Of Samsung Galaxy M51 Performance Of Samsung Galaxy M51 This Galaxy M51 comes with a monster size battery. Though Exynos 9611 SoC powers most of the galaxy M series mobile phones, but Samsung used Qualcomm Snapdragon 730G to powered its Galaxy M51 phones. This 730G is a very capable chip, I did not face any issue while using this phone for two months. Most of the time it works flawlessly and also does multitasking very well. But sometimes while using the camera it suddenly stops and closes the app automatically. Other than these I do not face any other problem.Samsung implements OneUI Core 2.1 on Android 10, and you may know OneUI Core 2.1 is optimized for one-hand usages. Also, you get Panic mode, Dual Messenger, and Nearby Share feature, and many other customized features from Samsung for better performance. Samsung does install some bloatware but thankfully you can uninstall them as well. But you can not uninstall Samsung apps. Design, Display Of Samsung Galaxy M51 Design In my opinion, the design of the Samsung Galaxy M51 may not that elegant but surely it is very attractive. If you look at the phone size, you may think it is very bulky, but after using it for almost two months, you will not feel the weight when you use the phone. The back of the phone has a very attractive glossy look. Also, the back of the phone is a bit slippery. So I suggest you should use a cover for your phone. So overall the phone design is neither good nor bad. Display Besides the battery, the second thing that I love about this phone is its Display. Samsung never disappoints you with its display quality. The color reproduction is really awesome, FHD+ AMOLED makes it even better. The side bezels on this phone are quite thin and better than its competitor. The screen size is 6.7 inches and has the usual 20:9 aspect ratio. The display is protected by Gorilla Glass 3 and I have no problem using the phone in daylight. Is Samsung Galaxy M51 worth buying? Now it’s time to answer the question is it a good phone? and my honest answer is YES. The battery is really good, so for those who need for long battery life, this is the best choice. This Galaxy M51 is one of the best value for money phones within 20k price. You may also be interested: Best Samsung Mobiles Under 20000 In 2021 FAQ On Samsung Galaxy M51 What is the refresh rate of Samsung m51?60Hz with Super AMOLED display.Should I get a 6GB or 8GB variant for m51?The Samsung Galaxy M51 with 6 GB is one of the best value for money phones within the 20000 price point, but the Samsung Galaxy M51 with 8 GB RAM gives you a little better performance. So, I would suggest you buy the 6GB version,8GB won't give you any extra features but cost you extra money.Does the Galaxy M51 come With a Virtual SIM Slot Like The Oneplus Phones?No, Samsung Galaxy M51 comes with a dual sim slot and a dedicated MicroSD slot.M31s vs M51 which has a louder speaker volume?In my opinion, both have the same sound quality but I think M31 is slightly louder and better.Is M51 good for gaming?Yes, this phone uses the Qualcomm Snapdragon 730G processors which is pretty good. So it should not be a problem to play any game on this phone.Is Samsung m51 5g?No, it is a 4G phone. If you are interested, you can read our Top 5 Best Smartphones Under 25000 In 2021.Which is better m31s or m51?Samsung Galaxy M51 offers a bigger and better screen than Samsung Galaxy M31s. The M31s come with a 6.5 inch Super AMOLED display with a screen resolution of 1080 x 2400 pixels and an aspect ratio of 20:9. Both of these Galaxy phones come with up to 8GB RAM and 128GB storage.Is m51 waterproof?Samsung Galaxy M51 is a splashproof phone not waterproof. Conclusion The images used in this article are only for representation purposes. The actual product may look different. Visit the Amazon link for the details feature. Samsung Galaxy M51 opens a wider range for the Galaxy M series. Overall the phones perform very well in every aspect. Also, I want o request you to please buy from our affiliate link, it will encourage us to give you more valuable information. You can also visit our Best Samsung Mobiles Under 20000 to 30000 in India list. Read the full article

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astrogeoguy · 7 years

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The Hot Little Planet Peaks in Visibility, and the New Moon mounts a Messier Marathon!

(Above: The Messier Marathon is a bucket-list observing challenge for amateur astronomers. On the weekend of March 17, 2018, it’s possible for observers in mid-northern latitudes to see all 110 objects in Charles Messier’s list of celestial showpieces. The first two objects to observe, the galaxies Messier 74, shown here, and 77, set soon after dusk.)

Astronomy Skylights for this week (from March 11th, 2018) by Chris Vaughan. (Feel free to pass this along to friends and send me your comments, questions, and suggested topics.) I post these with photos at http://astrogeoguy.tumblr.com/ where the old editions are archived. You can also follow me on Twitter as @astrogeoguy! Unless otherwise noted, all times are Eastern Time. Please click this MailChimp link to subscribe to these emails. If you are a teacher or group leader interested joining me on a guided field trip to York University’s Allan I. Carswell Observatory, or another in your area, visit www.astrogeo.ca.

If you’d like me to bring my inflatable digital planetarium to your school or other daytime or evening event, visit DiscoveryPlantarium.com and request me. We’ll tour the Universe together!

(Above: My portable digital Starlab Planetarium in action.)

Public Events

Taking advantage of dark moonless evening skies this week, the members of the RASC Toronto Centre will gather for dark sky stargazing at Long Sault Conservation Area, northeast of Oshawa on (only) the first clear evening from Monday to Thursday this week. You don’t need to be an RASC member, or own any equipment, to join them. Check here for details and watch the banner on their homepage or their Facebook page for the GO or NO-GO decision around 5 pm each day.

On Monday evenings, York University’s Allan I. Carswell Observatory runs an online star party - broadcasting views from four telescopes/cameras, answering viewer questions, and taking requests! Details are here. On Wednesday evenings after dark, they offer free public viewing through their telescopes. If it’s cloudy, the astronomers give tours and presentations. Details are here.

A Spectrum of Stars

If you missed last week’s guide to seeing the colours of bright winter stars, it’s here.

Zodiacal light

For about half an hour after dusk during the period between now and the new moon on March 17, look west-southwest for a broad wedge of faint light rising from the horizon and centered on the ecliptic. This is the zodiacal light - reflected sunlight from interplanetary dust particles that orbit in the plane of the solar system. Try to observe it from a location without light pollution, and don't confuse the zodiacal light with the brighter Milky Way to the northwest. I posted a beautiful picture here.

The Moon and Planets

Between today (Sunday) and Friday, the old crescent moon will appear low in the southeastern pre-dawn sky - growing slimmer and also moving from a fully dark sky into the pre-sunrise twilight. The shallow tilt of the morning ecliptic will cause the moon to rise at roughly the same time for several mornings in a row – just as the Harvest Moon does during autumn evenings. The moon reaches its new phase on Saturday morning, giving the coming weekend dark skies that are ideal for seeing the best deep sky objects. (More on that later.) Your first chance to spot the freshly minted young moon occurs Sunday evening after sunset, when its very slim crescent will linger briefly over the western horizon.

(Above: For the past week, the evening sky has featured the inner planets bright Venus and dim Mercury. On Thursday evening, shown at 8:20 pm local time, Mercury reaches its widest point east of the sun and peak visibility.)

Extremely bright Venus continues its escape from the western evening twilight this week. You can look for its bright bauble well above the western horizon after sunset, until it sets at about 8:30 pm local time. Much dimmer Mercury is easy to see this week. It will sit about four finger widths to the upper right of Venus. On Thursday evening, Mercury will reach greatest eastern elongation, its widest separation east of the sun. Viewed in a telescope the hot little planet will exhibit a waning half-illuminated phase, while Venus will be nearly fully illuminated. The best viewing time for Mercury falls between 7:45 and 8:45 pm local time.

Dim and distant Uranus is located about 17° (1.7 outstretched fist diameters) above the two inner planets, in Pisces (the Fishes). But you’ll need the sky to fully darken before you can see it in binoculars or a telescope.

(Above: The string of pre-dawn planets continue to define the plane of our Solar System along the Ecliptic (green line), with Jupiter rising before midnight, then Mars, and finally Saturn. Shown here for 6:30 am local time, the old crescent moon will join them on Monday morning before continuing its trip sunwards on the following mornings.)

The pre-dawn planets continue to delight us this week. Extremely bright Jupiter will be rising about 12:15 am local time. It will reach its highest elevation (about three fist diameters) above the southern horizon by 5:30 am local time. And it will continue to catch your eye as you leave for school or work until close to sunrise (about 7:30 am local time).

Reddish Mars is dimmer than Jupiter, but it is steadily brightening as Earth closes our distance from it. Over the next five months, Mars will outshine everything but the king of planets, the moon, and the bright star Vega. For this week, Mars will rise at about 3:15 am local time and appear a bit more than 3 fist diameters to the east (lower left) of Jupiter.

The red planet is steadily moving towards yellowish Saturn - with Mars now only about one fist width to Saturn’s upper right. The ringed planet rises just before 4 am local time, putting it two fist diameters above the southeastern horizon just before the dawn sky begins to brighten. The teapot-shaped constellation of Sagittarius (the Archer) will sit directly below Saturn all year.

Messier Marathon Weekend is Coming!

Charles Messier’s list of the best and brightest showpieces in the night sky is popular with astronomers of all experience levels. During the new moon period in early spring each year, it’s possible for lovers of deep sky objects, who live anywhere on Earth between latitudes 20° south and 55° north, to observe every one of the 110 objects within a single night. For many amateur astronomers, this observing challenge is a bucket list item known as the Messier Marathon. This coming weekend is your chance for 2018!

(Above: A gallery of all 110 deep-sky objects in the Messier List, starting with Messier 1 at upper left. The collection includes a sampling of nearly every type of deep-sky object, including galaxies, nebulas, and star clusters. Images like these are a helpful preview of what you will see in your telescope. Source SEDS.org)

The Messier list (or catalog) objects are designated by their “M-codes”, M1 through M110 (or Messier 1 through Messier 110). Astronomers commonly refer to the group as the Messiers. Most of these famous objects also have proper names, such as the Whirlpool Galaxy (M51), the Pleiades (M45), and the Beehive Cluster (M11).

The objects in the list are distributed throughout the night sky visible from mid-northern latitudes. (Messier and his contemporaries observed them from Paris.) None of the objects are found in the area between Pisces and Aquarius, so when the sun moves between those two constellations in late March every year, it allows us to see all of the Messier objects between dusk and dawn. The idea of a running a “Messier Marathon” originated in 1979 with another comet hunter, Californian Don Machholz.

To see the fainter Messiers, pick a moonless night within a day or two of the new moon, which occurs this Saturday, March 17. A clear sky all night long is a must, so check the forecast and choose the night that offers the best conditions. If more than one night looks promising, make your attempt on the first night, so you have the option for a second try.

Pick a site free from direct lights and light pollution, with open sightlines to the horizon, especially to the west and the southeast. To improve your site selection, use a star chart, planisphere, or astronomy app to preview where the objects will be, especially the ones that will be observed when they’re near the horizon. A site at higher elevation will also give you more time to observe the low objects. Bring warm clothes, and stock up on snacks and drinks – you’ll be awake all night!

(Above: Many of the Messier objects, such as Messier 45 (at top center left, also known as the Pleiades), are bright enough to see with binoculars or unaided eyes. Others require a telescope of at least 80 mm aperture. Bright stars can guide you to many objects. For example, Messier 34 is located about midway between the stars Algol and Almach. The sky is shown for the Great Lakes region at 8 p.m. local time and the Messier objects are highlighted.)

Many Messier objects are visible in binoculars – 10x50 models offer a good compromise between weight and performance. The dimmer objects will require a telescope. A 3-inch diameter (80 millimeter) telescope will work under very dark sky conditions, but a larger aperture telescope will make the job easier. Low power, wide field of view eyepieces are recommended. Be sure to set up your telescope, and organize your other equipment, well before sunset.

To start your marathon, you will need to quickly catch the objects that set in the west after sunset – specifically the dim galaxies M77 and M74. By the time the sky has grown dark enough to see these galaxies, they will be nearing the horizon. It’s a good idea to limit the time spent on the first galaxy so as not to miss the other one. Immediately after viewing those two, you’ll look for M33, the large face-on spiral galaxy in the constellation of Triangulum (the Triangle), and then the Andromeda Galaxy trio of M31, M32, and M110.

From this point, you will have time to work your way systematically across the sky from west to east. As you do so, more objects will rise in the east. By late evening, you should arrive at the Virgo Cluster of galaxies. When you have viewed the 17 objects there, you can take a break until the next group of Messiers rises into view at around 3 am local time. Here’s a website with a recommended viewing order. The objects aren’t ordered simply by their setting time, because brighter objects can be picked out during twilight, while dimmer objects need more darkness. (Be careful not to confuse the viewing order with the Messier number.)

(Above: After a long night of Messier hunting, the final object, the globular star cluster Messier 30 (bottom center), will rise shortly before the sun. Ensure your observing location has a low southeastern horizon, and use a sky chart or astronomy app to predict the direction where the object will appear. The sky is shown for the Great Lakes region at 6:45 a.m. local time. Southern USA observers will benefit from having a shorter twilight period.)

The final wave of objects includes M55, M75, M72, M73, and M2, which rise in the pre-dawn. The last Messier is the globular cluster M30, which will rise in the east as dawn starts to break - so it will be a challenge to see this object. Observers in southerly latitudes will have an advantage because the sun rises and sets more vertically, giving them a shorter twilight period.

Several astronomy organizations will recognize your achievement if you observe all of the Messier objects. The Royal Astronomical Society of Canada will issue an RASC Messier Certificate to members who complete the list and provide documentation. The society recognizes both the Go-to and manual approaches. The Astronomical League will send a Messier Program Certificate to members-at-large or members of affiliated astronomical societies who provide observational notes for 70 objects found without a Go-to telescope. The organization will send a lapel pin and honorary membership certificate for completing the entire list (over any time frame). Both organizations’ websites have information and observing forms to download and print out.

Good hunting! If you’d like more details, check out my latest Mobile Astronomy column on Space.com. It’s here.

Keep looking up to enjoy the sky! I love getting questions so, if you have any, send me a note.

#space #astronomy #stars #galaxies #Messier Marathon #Messier #New moon #mercury #Venus #Jupiter #deep sky objects #nebulas #star clusters

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androidical · 4 years

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ZTE Axon 20 5G launched with world’s first under-display front camera

After several innovations and bugs, the world’s first under-display camera phone has arrived from ZTE. Named as Axon 20 5G, this handset has an under-display front camera, a 5G CPU, great display, and an average battery. Thus, it’s placed in a fair segment of budget premium class. Here’s everything about it;

ZTE Axon 20 5G Specifications

The all-new Axon 20 5G comes with a 6.92″ OLED display with 20.5:9 aspect ratio, a 90Hz refresh rate and supports 10bit color. With the 240Hz touch sampling rate, the display has no notches or punch-holes for the front camera. Running on MiFavor 10.5 based on Android 10, it has two RAM variants as either 6GB or 8GB.

There’s even a microSD slot to expand the storage, which would otherwise be limited to 128GB of the on-board part. It runs on Snapdragon’s 765G SoC, that has an integrated 5G modem and Adreno 620 GPU.

It has quad-rear camera set-up as, a 64-megapixel (f/1.8) as the primary sensor, followed by an 8-megapixel (f/2.2) as an ultra-wide lens with 120° coverage and a pair of 2-megapixel (f/2.4) lenses as macro and depth sensors.

Also Read: ZTE unveils world’s first phone with Snapdragon 865

Upfront, there’s a single 32-megapixel (f/2.0) lens set under-display, making it the first-ever handset to house one. It’s carefully designed to act as a camera when required, and as display part accordingly.

It has GPS, Bluetooth 5.1, NFC, USB 3.1 Type-C, dual-band Wi-Fi and an in-display fingerprint sensor. Finally, it has a 4220mAh battery with 30W Quick Charge 4+ fast charging support.

ZTE Axon 20 5G Price and Availability

With Orange, Purple, Black and Blue as available colors, the ZTE’s Axon 20 5G is priced at ¥2,198 (~$321) for the 6GB + 128GB variant, and ¥2,498 (~$365) for the 8GB + 128GB variant. While it’s already listed on the ZTE mall website in China, the global availability is yet to be said.