PNe

Note: On Page 610 gives a list of well known and best data on PNe, D (pc) being the distance and R (pc) mean radius of the PNe.

Universe Today Guide to the Messier Objects | Universe Today 2010

This PNe (planetary nebula) association with the cluster (NGC 2818A) has yet to be absolutely confirmed to be associated with the cluster.

Countdown to Christmas: Hubble Advent Calendar | Universe Today 2009

We propose to secure narrow - and broad-band images of compact planetary nebulae (PNe) in the Galactic Disk to study the missing link of the early phases of post-AGB evolution.

SpaceRef Top Stories 2010

We now propose to use HST to re-observe 48 PNe from that program for which additional companions are possibly present.

SpaceRef Top Stories 2010

This study will increase the number of Galactic PNe with reliable distances by 50 percent and improve the distances to PNe with previously known companions.

SpaceRef Top Stories 2010

Ejected AGB envelopes become PNe when the gas is ionized.

SpaceRef Top Stories 2010

Galactic PNe with reliable distances by 50 percent and improve the distances to PNe with previously known companions.

SpaceRef Top Stories 2010

Reliable distances to individual planetary nebulae (PNe) in the Milky Way are needed to advance our understanding of their spatial distribution, birthrates, influence on galactic chemistry, and the luminosities and evolutionary states of their central stars (CSPN).

SpaceRef Top Stories 2010

Fegie was hired by PNe ibecause hemmings said he would dedicate a series of salvation loans to Pne if he got more control and pne agreed to allow Hemmings man, Fegie into the team. .thats why Al got the boot ..

lep.co.uk - News Feed 2010

PNe expand, and, when large enough, can be studied in detail from the ground.

SpaceRef Top Stories 2010