NicerAPOD
◦ The Celestial Archive

MAY

1999

Browse every NASA Astronomy Picture of the Day entry published in May 1999.

◦ Jump to any month1995 → 2026
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◦ Jump to any month1995 → 2026
1995'96'97'98'992000'01'02'03'04'05'06'07'08'092010'11'12'13'14'15'16'17'18'192020'21'22'23'24'25'26
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31 APODs this month31 Mays since Jun 1995◦ Archive spans 31 years
Sun
Mon
Tue
Wed
Thu
Fri
Sat
25

Mimas: Small Moon with a Big Crater

26

USNO-A2.0 Catalog: A Digital Sky

27

Introducing Comet Lee

28

A Sundial for Mars

29

NGC 2266: Old Cluster in the New General Catalog

30

Solar Shock Wave

Lunar Dust and Duct Tape
01

Lunar Dust and Duct Tape

Stars from Eagle's Eggs
02

Stars from Eagle's Eggs

Loop I in the Northern Sky
03

Loop I in the Northern Sky

Magnetic Mars
04

Magnetic Mars

A Solar System Portrait
05

A Solar System Portrait

Liberty Bell 7
06

Liberty Bell 7

Hot Stars in the Southern Milky Way
07

Hot Stars in the Southern Milky Way

Moon Occults Saturn
08

Moon Occults Saturn

Fractal Interstellar Dust Up-Close
09

Fractal Interstellar Dust Up-Close

Polar Ring Galaxy NGC 4650A
10

Polar Ring Galaxy NGC 4650A

Molecular Cloud Barnard 68
11

Molecular Cloud Barnard 68

Warped Spiral Galaxy ESO510-13
12

Warped Spiral Galaxy ESO510-13

Mars Volcano Apollinaris Patera
13

Mars Volcano Apollinaris Patera

Landsat 7 Views Planet Earth
14

Landsat 7 Views Planet Earth

Star Wars in NGC 664
15

Star Wars in NGC 664

Europe at Night
16

Europe at Night

How to Search for Aliens
17

How to Search for Aliens

A Laguna Triangle
18

A Laguna Triangle

The Horsehead Nebula
19

The Horsehead Nebula

Cyclone on Mars
20

Cyclone on Mars

Star Party Trails
21

Star Party Trails

M42: A Mosaic of Orion's Great Nebula
22

M42: A Mosaic of Orion's Great Nebula

The Keyhole Nebula
23

The Keyhole Nebula

Introducing Nova Velorum 1999
24

Introducing Nova Velorum 1999

NGC 6872: A Stretched Spiral
25

NGC 6872: A Stretched Spiral

GRB 990510: Another Unusual Gamma Ray Burst
26

GRB 990510: Another Unusual Gamma Ray Burst

NGC 4603 and the Expanding Universe
27

NGC 4603 and the Expanding Universe

Topographical Mars
28

Topographical Mars

The Ecliptic Plane
29

The Ecliptic Plane

Tycho Brahe Measures the Sky
30

Tycho Brahe Measures the Sky

Uranus' Moon 18
31

Uranus' Moon 18

01

A Gallery of Gravitational Mirages

02

Thermal Mars

03

Methane Dwarf

04

NGC 3603: From Beginning To End

05

Betelgeuse, Betelgeuse, Betelgeuse

31 APODs this month31 Mays since Jun 1995◦ Archive spans 31 years