swap_horiz PSR B1919+21 Alternatives

1

Crab Pulsar

The Crab Pulsar is a rapidly rotating neutron star at the center of the Crab Nebula in the constellation Taurus. It was...

Pulsar Taurus Neutron Star Supernova Remnant

9.5 Brilliant

2

Cygnus X-1

Cygnus X-1 is an X-ray binary system in the constellation Cygnus consisting of a compact object and the blue supergiant...

O Type Blue Supergiant X Ray Binary Black Hole Companion

9.5 Brilliant

3

Sun

The Sun is a G-type main sequence star, our closest stellar neighbor. This yellow dwarf provides nearly all the energy t...

Solar G Type Main Sequence Nearest Star

9.2 Excellent

4

Sirius

Sirius is the most luminous star visible from Earth. It’s a binary star system consisting of a brilliant white A-type ma...

Navigation Binary A Type Brightest Star

9.2 Excellent

5

Arcturus

Arcturus is a prominent K-type giant star located in the constellation Boötes. It’s notable for being the brightest star...

Orange Giant Northern Sky K Type

9.2 Excellent

6

Vega

Vega is a main sequence A-type star located in the constellation Lyra approximately 25 light-years from Earth. It’s nota...

Lyra Debris Disk Main Sequence A Type

9.2 Excellent

7

Rigel

Rigel is a brilliant blue supergiant star located within the constellation Orion. It’s notable for its extreme luminosit...

Blue Navigation Orion Supergiant

9.2 Excellent

8

Betelgeuse

Betelgeuse is a massive red supergiant star located within the constellation Orion. It’s notable due to its immense size...

Orion Variable M Type Red Supergiant

9.2 Excellent

9

Polaris

Polaris is a bright star located in the constellation Ursa Minor. It’s notable as the current North Star due to its posi...

Supergiant F Type Ursa Minor North Star

9.2 Excellent

10

Delta Cephei

Delta Cephei is a bright supergiant star within the Cepheus constellation. It’s notable as the original prototype for Ce...

Variable Supergiant Cepheus F Type

9.2 Excellent

11

Eta Carinae

Eta Carinae is an exceptionally large and volatile star located within the Carina Nebula. It’s notable for its dramatic...

Massive Carinae Pre Supernova Luminous Blue Variable

9.2 Excellent

12

Proxima Centauri

Proxima Centauri is a red dwarf star located just over four light-years away, making it our nearest stellar neighbor. It...

M Type Nearest Star Exoplanet Host Red Dwarf

9.2 Excellent

13

Alpha Centauri A

Alpha Centauri A is a G-type main-sequence star located in the Alpha Centauri system, approximately 4.37 light-years fro...

Centaurus G Type Main Sequence Nearest System

9.2 Excellent

14

TRAPPIST-1

TRAPPIST-1 is an ultra-cool dwarf star located approximately 40 light-years from Earth. It’s notable for hosting a syste...

Aquarius M Type Exoplanet Host Ultra Cool Dwarf

9.2 Excellent

15

V645 Centauri

V645 Centauri is an M-type red dwarf star located within the Alpha Centauri system, approximately 4.37 light-years from...

Centaurus Nearby M Type Red Dwarf

9.2 Excellent

16

PSR B1257+12

PSR B1257+12 is a rapidly rotating neutron star, or millisecond pulsar, in the constellation Virgo. Astronomers Aleksand...

Pulsar Neutron Star Virgo Exoplanet Host

9.2 Excellent

17

Canopus

Canopus is a massive, white-yellow supergiant star located in the Carina constellation. It’s notable for being the secon...

Navigation Supergiant F Type Second Brightest

9.1 Excellent

18

51 Pegasi

51 Pegasi is a G-type main-sequence star located approximately 50 light-years from Earth within the Pegasus constellatio...

Pegasus G Type Hot Jupiter Main Sequence

9.1 Excellent

19

Sirius B

Sirius B is a dense white dwarf star orbiting within the Sirius system of Canis Major. It represents the remnant core of...

Compact Binary White Dwarf Canis Majoris

9.1 Excellent

20

HD 189733

HD 189733 is a K-type main-sequence star located approximately 64 light-years away in the constellation Vulpecula. The s...

Vulpecula Hot Jupiter Main Sequence K Type

8.4 Great