Every Visible Star in the Night Sky, in One Map
View the high resolution version of this incredible map by clicking here.
The stars have fascinated humanity since the beginning of civilization, from using them to track the different seasons, to relying on them to navigate thousands of miles on the open ocean.
Today, travelers trek to the ends of the Earth to catch a glimpse of the Milky Way, untouched by light pollution. However, if you’re in the city and the heavens align on a clear night, you might still be able to spot somewhere between 2,500 to 5,000 stars scattered across your field of vision.
This stunning star map was created by Eleanor Lutz, under the Reddit pseudonym /hellofromthemoon, and is a throwback to all the stars and celestial bodies that could be seen by the naked eye on Near Year’s Day in 2000.
Star Light, Star Bright
Stars have served as a basis for navigation for thousands of years. Polaris, also dubbed the North Star in the Ursa Minor constellation, is arguably one of the most influential, even though it sits 434 light years away.
Because of its relative location to the Earth’s axis, Polaris is reliably found in the same spot throughout the year—on this star map, it can be spotted in the top right corner. The Polynesian people famously followed the path of the North Star, along with wave currents, in all their way-finding journeys.
Interestingly, Polaris’ dependability is why it is commonly mistaken as the brightest star, but Sirius actually takes that crown—find it below the Gemini constellation, at the 7HR latitude and -20° longitude coordinates on the visualization. Located in the Canis Majoris constellation, Sirius burns bluish-white, and is one of the hottest objects in the universe with a surface temperature of 17,400°F (9,667°C). Sirius is nearly 40 times brighter than our Sun.
The Egyptians associated Sirius with the goddess Isis, and used its location to predict the annual flooding of the Nile. This also isn’t the only way humans have used visible stars to “predict” the future, as evidenced by the ancient practice of astrology.
Seeking Answers in the Stars
In the star map above, the orange lines denote the twelve signs of the Zodiac, each found roughly along the same band from 10° to -30° longitude. These Zodiac alignments, along with planetary movements, form the basis of astrology, which has been practiced across cultures to predict significant events. While the scientific method has widely demonstrated that astrology doesn’t hold much validity, many people still believe in it today.
The red lines on the visualization signify the constellations officially recognized by the International Astronomical Union (IAU) in 1922. Its ancient Greek origins are recorded on the same map as the blue lines, from which the modern constellation boundaries are based. Here’s a deeper dive into all 88 IAU constellations:
|Constellation||English Name||Category||Brightest star|
|Andromeda||Chained Maiden/ Princess||Creature/ Character||Alpheratz|
|Antlia||Air Pump||Object||α Antliae|
|Apus||Bird of Paradise||Animal||α Apodis|
|♒ Aquarius||Water Bearer||Creature/ Character||Sadalsuud|
|Caelum||Engraving Tool||Object||α Caeli|
|Canes Venatici||Hunting Dogs||Animal||Cor Caroli|
|Canis Major||Great Dog||Animal||Sirius|
|Canis Minor||Lesser Dog||Animal||Procyon|
|♑ Capricornus||Sea Goat||Creature/ Character||Deneb Algedi|
|Cassiopeia||Seated Queen||Creature/ Character||Schedar|
|Centaurus||Centaur||Creature/ Character||Rigil Kentaurus|
|Cetus||Sea Monster||Creature/ Character||Diphda|
|Coma Berenices||Bernice's Hair||Creature/ Character||β Comae Berenices|
|Corona Australis||Southern Crown||Object||Meridiana|
|Corona Borealis||Northern Crown||Object||Alphecca|
|♊ Gemini||Twins||Creature/ Character||Pollux|
|Horologium||Pendulum Clock||Object||α Horologii|
|Hydra||Female Water Snake||Creature/ Character||Alphard|
|Hydrus||Male Water Snake||Creature/ Character||β Hydri|
|Indus||Indian||Creature/ Character||α Indi|
|Leo Minor||Lesser Lion||Animal||Regulus|
|Mensa||Table Mountain||Object||α Mensae|
|Monoceros||Unicorn||Creature/ Character||β Monocerotis|
|Norma||Carpenter's Square||Object||γ2 Normae|
|Ophiuchus||Serpent Bearer||Creature/ Character||Rasalhague|
|Pegasus||Winged Horse||Creature/ Character||Enif|
|Pictor||Painter's Easel||Object||α Pictoris|
|Piscis Austrinus||Southern Fish||Creature/ Character||Fomalhaut|
|Pyxis||Mariner's Compass||Object||α Pyxidis|
|Reticulum||Reticle (Eyepiece)||Object||α Reticuli|
|♐ Sagittarius||Archer||Creature/ Character||Kaus Australis|
|Sculptor||Sculptor||Creature/ Character||α Sculptoris|
|Triangulum Australe||Southern Triangle||Object||β Trianguli|
|Ursa Major||Great Bear||Animal||Alioth|
|Ursa Minor||Little Bear||Animal||Polaris|
|♍ Virgo||Maiden||Creature/ Character||Spica|
|Volans||Flying Fish||Animal||β Volantis|
(Source: International Astronomical Union)
Into the Depths of Deep Space
The quirk of naming stars after flora and fauna doesn’t end there. Our night sky also reveals visible galaxies, nebulae, and clusters far, far away—but they’re named after familiar birds, natural objects, and mythical creatures. See if you can find some of these interesting names:
- Open Cluster: Wild Duck Cluster
- Open Cluster: Eagle Nebula
- Open Cluster: Beehive Cluster
- Open Cluster: Butterfly Cluster
- Emission Nebula: North American
- Emission Nebula: Trifid Nebula
- Emission Nebula: Lagoon Nebula
- Emission Nebula: Orion Nebula
- Open Cluster with Emission Nebula: Swan Nebula
- Open Cluster with Emission Nebula: Christmas Tree Cluster
- Open Cluster with Emission Nebula: Rosette Nebula
- Globular Cluster: Hercules Cluster
There’s an interesting concentration of unnamed open and globular clusters just above the Sagittarius constellation, between 18-20HR latitude and -20° to -30° longitude. Another one can be seen next to Cassiopeia, just below Polaris between 1HR-3HR latitude, at 60° longitude. The only two visible spiral galaxies, Andromeda and Pinwheel, are located close between 0-2HR latitude and 30°-40° longitude.
The Relentless Passage of Time
We now know that the night sky isn’t as static as people used to believe. Although it’s Earth’s major pole star today, Polaris was in fact off-kilter by roughly 8° a few thousand years ago. Our ancestors saw the twin northern pole stars, Kochab and Pherkad, where Polaris is now.
This difference is due to the Earth’s natural axial tilt. Eight degrees may not seem like much, but because of this angle, the constellations we gaze at today are the same, yet completely different from the ones our ancestors looked up at.
If you liked exploring this star map, be sure to check out the geology of Mars from the same designer.
Every Mission to Mars in One Visualization
This graphic shows a timeline of every mission to Mars since 1960, highlighting which ones have been successful and which ones haven’t.
Timeline: A Historical Look at Every Mission to Mars
Within our Solar System, Mars is one of the most similar planets to Earth—both have rocky landscapes, solid outer crusts, and cores made of molten rock.
Because of its similarities to Earth and proximity, humanity has been fascinated by Mars for centuries. In fact, it’s one of the most explored objects in our Solar System.
But just how many missions to Mars have we embarked on, and which of these journeys have been successful? This graphic by Jonathan Letourneau shows a timeline of every mission to Mars since 1960 using NASA’s historical data.
A Timeline of Mars Explorations
According to a historical log from NASA, there have been 48 missions to Mars over the last 60 years. Here’s a breakdown of each mission, and whether or not they were successful:
|1||1960||Korabl 4||USSR (flyby)||Failure|
|2||1960||Korabl 5||USSR (flyby)||Failure|
|3||1962||Korabl 11||USSR (flyby)||Failure|
|4||1962||Mars 1||USSR (flyby)||Failure|
|5||1962||Korabl 13||USSR (flyby)||Failure|
|6||1964||Mariner 3||US (flyby)||Failure|
|7||1964||Mariner 4||US (flyby)||Success|
|8||1964||Zond 2||USSR (flyby)||Failure|
|11||1969||Mariner 6||US (flyby)||Success|
|12||1969||Mariner 7||US (flyby)||Success|
|15||1971||Mars 2 Orbiter/Lander||USSR||Failure|
|16||1971||Mars 3 Orbiter/Lander||USSR||Success/Failure|
|20||1973||Mars 6 Orbiter/Lander||USSR||Success/Failure|
|21||1973||Mars 7 Lander||USSR||Failure|
|22||1975||Viking 1 Orbiter/Lander||US||Success|
|23||1975||Viking 2 Orbiter/Lander||US||Success|
|24||1988||Phobos 1 Orbiter||USSR||Failure|
|25||1988||Phobos 2 Orbiter/Lander||USSR||Failure|
|27||1996||Mars Global Surveyor||US||Success|
|31||1998||Mars Climate Orbiter||US||Failure|
|32||1999||Mars Polar Lander||US||Failure|
|33||1999||Deep Space 2 Probes (2)||US||Failure|
|35||2003||Mars Express Orbiter/Beagle 2 Lander||ESA||Success/Failure|
|36||2003||Mars Exploration Rover - Spirit||US||Success|
|37||2003||Mars Exploration Rover - Opportunity||US||Success|
|38||2005||Mars Reconnaissance Orbiter||US||Success|
|39||2007||Phoenix Mars Lander||US||Success|
|40||2011||Mars Science Laboratory||US||Success|
|42||2013||Mars Atmosphere and Volatile Evolution||US||Success|
|43||2013||Mars Orbiter Mission (MOM)||India||Success|
|44||2016||ExoMars Orbiter/Schiaparelli EDL Demo Lander||ESA/Russia||Success/Failure|
|45||2018||Mars InSight Lander||US||Success|
|47||2020||Tianwen-1 Orbiter/Zhurong Rover||China||Success|
|48||2020||Mars 2020 Perseverance Rover||US||Success|
The first mission to Mars was attempted by the Soviets in 1960, with the launch of Korabl 4, also known as Mars 1960A.
As the table above shows, the voyage was unsuccessful. The spacecraft made it 120 km into the air, but its third-stage pumps didn’t generate enough momentum for it to stay in Earth’s orbit.
For the next few years, several more unsuccessful Mars missions were attempted by the USSR and then NASA. Then, in 1964, history was made when NASA launched the Mariner 4 and completed the first-ever successful trip to Mars.
The Mariner 4 didn’t actually land on the planet, but the spacecraft flew by Mars and was able to capture photos, which gave us an up-close glimpse at the planet’s rocky surface.
Then on July 20, 1976, NASA made history again when its spacecraft called Viking 1 touched down on Mars’ surface, making it the first space agency to complete a successful Mars landing. Viking 1 captured panoramic images of the planet’s terrain, and also enabled scientists to monitor the planet’s weather.
Vacation to Mars, Anyone?
To date, all Mars landings have been done without crews, but NASA is planning to send humans to Mars by the late 2030s.
And it’s not just government agencies that are planning missions to Mars—a number of private companies are getting involved, too. Elon Musk’s aerospace company SpaceX has a long-term plan to build an entire city on Mars.
Two other aerospace startups, Impulse and Relativity, also announced an unmanned joint mission to Mars in July 2022, with hopes it could be ready as soon as 2024.
As more players are added to the mix, the pressure is on to be the first company or agency to truly make it to Mars. If (or when) we reach that point, what’s next is anyone’s guess.
Brand Loyalty is Declining for Most Luxury Automakers
Brand loyalty has declined for most luxury automakers, but three brands—Tesla, Maserati, and Genesis—appear to have bucked the trend.
Brand Loyalty is Declining for Most Luxury Automakers
New research conducted by S&P Global Mobility has found that brand loyalty—measured as the percentage of buyers that go back to the same brand for their next vehicle—is falling across the luxury segment.
In this infographic, we’ve visualized the results of this research, which spans from January 2020 to April 2022.
Brand Loyalty Losers
The following brands have all experienced a drop in brand loyalty over the time period.
For additional context, we’ve also included each brand’s score in the J.D. Power 2022 Initial Quality Study. This is measured based on the number of problems experienced per 100 vehicles (PP100) in the first 90 days of ownership.
|Brand||Percentage Point Change|
in Brand Loyalty
|🇬🇧 Land Rover||-9.2||193|
|🇮🇹 Alfa Romeo||-6.6||211|
Land Rover experienced the biggest drop in loyalty, despite a better than average PP100 rating. One potential reason is timing—the brand’s premier model, the Range Rover, has been in its fourth generation since 2012. The SUV has become relatively dated, though a new fifth generation was recently revealed for the 2022 model year.
Two Volkswagen Group brands, Audi and Porsche, also fared poorly in terms of loyalty. This is somewhat surprising, as both brands offer a portfolio of both gasoline and electric models. Many competitors, such as Acura, Lexus, and Maserati, have yet to release an EV.
Brand Loyalty Winners
Three brands have managed to buck the trend, as shown below.
|Brand||Percentage Point Change|
in Brand Loyalty
We can draw parallels between Tesla and Apple, in that both have incredibly loyal followers.
For instance, between March 2021 to April 2022, 62% of buyers/households who returned to market and previously owned a Model 3 purchased a new Tesla. That’s an impressive statistic, especially when we consider Tesla’s history of build quality issues.
Maserati appears to be in the same boat. The Italian automaker has strengthened its brand loyalty by 4.3 percentage points, despite having the luxury segment’s worst PP100. Perhaps build quality matters less than we think.
Another Factor to Consider
Ongoing supply chain issues could also be contributing to wide-spread declines in loyalty. Rather than waiting several months (or in the case of EVs, years), buyers may switch to a different brand that has cars in stock.
We are still monitoring it week to week, but up to now basically worldwide, we had no issues running production.
– Joerg Burzer, Mercedes-Benz
Many automakers have reported that their supply issues are diminishing, though new economic challenges have risen. For example, surging inflation has pushed the price of a new car to record highs. Combined with rising interest rates (cost of borrowing), this could negatively impact the demand for new cars.
Misc2 weeks ago
Visualizing Which Countries Drink the Most Beer
Demographics4 weeks ago
Ranked: The 20 Countries With the Fastest Declining Populations
Energy3 weeks ago
Visualizing the World’s Largest Oil Producers
Personal Finance2 weeks ago
Mapped: The Salary You Need to Buy a Home in 50 U.S. Cities
Energy2 weeks ago
Which Countries Produce the Most Natural Gas?
Agriculture3 weeks ago
Timeline: The Domestication of Animals
Business3 weeks ago
Ranked: The World’s Largest Container Shipping Companies
Energy4 weeks ago
Visualized: Battery Vs. Hydrogen Fuel Cell